{ "name": "London Mempool: fastest growing 250", "description": "London's fastest growing tech companies (Fastest growing and Up and coming tiers), ranked by a score out of 100: last equity round in the past 24 months (size x recency, max 40), year-on-year staff growth from Companies House accounts (max 35), open London roles on the company's own job board (max 25). A missing signal scores 0. Method: https://londonmempool.co.uk/methodology#fastest", "as_of": "2026-10-13", "total": 250, "license": "Free to use, including commercial use, with attribution to London Mempool (https://londonmempool.co.uk).", "attribution": "Data from London Mempool (londonmempool.co.uk)", "source": "https://londonmempool.co.uk", "data": [ { "rank": 1, "id": "gradient-labs", "name": "Gradient Labs", "sector": "AI", "tier": "fast_growing", "score": 71, "funding": { "points": 25, "label": "Raised $26M Series A in Jun 2026", "source": "https://vestbee.com/blog/articles/gradient-labs-raises-13-m" }, "staff": { "points": 35, "label": "Staff 10 to 21 in a year (+110%, accounts to Jan 2026)", "source": "https://find-and-update.company-information.service.gov.uk/company/14864752/filing-history/MzUxNTY1MDcwMGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 11, "label": "5 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=gradient-labs" }, "growth_signal": "Doubled its Series A to $26M in Jun 2026 led by Octopus Ventures and CommerzVentures, reporting 900% revenue growth over the past year.", "growth_source": "https://pulse2.com/gradient-labs-raises-26-million-to-build-specialist-ai-agents-for-financial-services/", "company_url": "https://londonmempool.co.uk/c/gradient-labs" }, { "rank": 2, "id": "attio", "name": "Attio", "sector": "AI", "tier": "fast_growing", "score": 66, "funding": { "points": 20, "label": "Raised $52M Series B in Aug 2025", "source": "https://www.prnewswire.co.uk/news-releases/attio-raises-52m-series-b-to-scale-the-first-ai-native-crm-for-go-to-market-builders-302538368.html" }, "staff": { "points": 30, "label": "Staff 13 to 24 in a year (+85%, accounts to Jan 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/10719702/filing-history/MzQ4Njg4MTk0MmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 16, "label": "12 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=attio" }, "growth_signal": "Raised a $52M Series B led by GV in Aug 2025, with 5,000 paying customers and ARR growing 4x that year.", "growth_source": "https://www.prnewswire.co.uk/news-releases/attio-raises-52m-series-b-to-scale-the-first-ai-native-crm-for-go-to-market-builders-302538368.html", "company_url": "https://londonmempool.co.uk/c/attio" }, { "rank": 3, "id": "lawhive", "name": "Lawhive", "sector": "AI", "tier": "fast_growing", "score": 63, "funding": { "points": 28, "label": "Raised $60M Series B in Feb 2026", "source": "https://www.cbinsights.com/company/lawhive" }, "staff": { "points": 35, "label": "Staff 11 to 28 in a year (+155%, accounts to Dec 2024)", "source": "https://find-and-update.company-information.service.gov.uk/company/13800100/filing-history/MzQ5NjI2ODk1OGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $60M Series B in Feb 2026 with revenue above $35M, up sevenfold in a year.", "growth_source": "https://uk.finance.yahoo.com/news/exclusive-lawhive-startup-using-ai-080000322.html", "company_url": "https://londonmempool.co.uk/c/lawhive" }, { "rank": 4, "id": "isometric", "name": "Isometric", "sector": "Climate", "tier": "fast_growing", "score": 59, "funding": { "points": 29, "label": "Raised $50M Series A in Sep 2026", "source": "https://isometric.com/writing-articles/intercontinental-exchange-backs-isometric-in-50m-series-a" }, "staff": { "points": 20, "label": "Staff 24 to 38 in a year (+58%, accounts to Mar 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/13829439/filing-history/MzUxMzI0NTEwNmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=isometric" }, "growth_signal": "Its Series A, led by AVP in June 2026 and joined by Intercontinental Exchange in September 2026, now stands at $50M, taking total funding to $75M.", "growth_source": "https://isometric.com/writing-articles/intercontinental-exchange-backs-isometric-in-50m-series-a", "company_url": "https://londonmempool.co.uk/c/isometric" }, { "rank": 5, "id": "qargo", "name": "Qargo", "sector": "AI", "tier": "fast_growing", "score": 57, "funding": { "points": 22, "label": "Raised $33M Series B in Dec 2025", "source": "https://www.qargo.com/post/series-b-funding/" }, "staff": { "points": 35, "label": "Staff 12 to 33 in a year (+175%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/11390525/filing-history/MzU0NzQwNjE5OGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $33M Series B led by Sofina in December 2025 after growing from about 100 to over 400 customers in 18 months.", "growth_source": "https://www.qargo.com/post/series-b-funding/", "company_url": "https://londonmempool.co.uk/c/qargo" }, { "rank": 6, "id": "recraft", "name": "Recraft", "sector": "AI", "tier": "fast_growing", "score": 57, "funding": { "points": 15, "label": "Raised $30M Series B in May 2025", "source": "https://www.recraft.ai/news/series-b-announcement" }, "staff": { "points": 35, "label": "Staff 11 to 22 in a year (+100%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/14525957/filing-history/MzU0NTQ3NDYwN2FkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 7, "label": "2 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=recraft" }, "growth_signal": "Raised a $30M Series B led by Accel in May 2025 with more than 4 million users and 700% user growth over the prior year.", "growth_source": "https://www.recraft.ai/news/series-b-announcement", "company_url": "https://londonmempool.co.uk/c/recraft" }, { "rank": 7, "id": "quantum-motion", "name": "Quantum Motion", "sector": "Quantum", "tier": "fast_growing", "score": 54, "funding": { "points": 36, "label": "Raised $160M Series C in May 2026", "source": "https://quantummotion.com/quantum-motion-raises-160-million-series-c-to-deliver-quantum-computings-transistor-moment/" }, "staff": null, "hiring": { "points": 18, "label": "15 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=quantum-motion" }, "growth_signal": "Raised a $160M Series C co-led by DCVC and Kembara in May 2026, with the British Business Bank participating.", "growth_source": "https://quantummotion.com/quantum-motion-raises-160-million-series-c-to-deliver-quantum-computings-transistor-moment/", "company_url": "https://londonmempool.co.uk/c/quantum-motion" }, { "rank": 8, "id": "callosum", "name": "Callosum", "sector": "AI", "tier": "fast_growing", "score": 49, "funding": { "points": 33, "label": "Raised $100M Seed in Aug 2026", "source": "https://www.kucoin.com/news/flash/callosum-technologies-secures-100m-seed-round-to-optimize-ai-workloads" }, "staff": null, "hiring": { "points": 16, "label": "11 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=callosum" }, "growth_signal": "Raised a $100M seed led by Atomico with Plural, DCVC and the UK Sovereign AI Fund in August 2026, six months after a $10.25M pre-seed.", "growth_source": "https://www.callosum.com/blog/seed-round", "company_url": "https://londonmempool.co.uk/c/callosum" }, { "rank": 9, "id": "nexgen-cloud", "name": "NexGen Cloud", "sector": "AI", "tier": "fast_growing", "score": 49, "funding": { "points": 15, "label": "Raised $45M Series A in Apr 2025" }, "staff": { "points": 22, "label": "Staff 11 to 18 in a year (+64%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/12556681/filing-history/MzU0ODU2NDI5MWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 12, "label": "6 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=nexgen-cloud" }, "growth_signal": "Raised a $45M Series A in April 2025 at a reported $354M valuation.", "growth_source": "https://uk.finance.yahoo.com/news/nexgen-cloud-secures-45-million-134800660.html", "company_url": "https://londonmempool.co.uk/c/nexgen-cloud" }, { "rank": 10, "id": "metaview", "name": "Metaview", "sector": "AI", "tier": "fast_growing", "score": 48, "funding": { "points": 30, "label": "Raised $60M Series C in Sep 2026", "source": "https://www.metaview.ai/resources/blog/metaview-raised-an-additional-60m-to-lead-the-shift-to-agentic-recruiting" }, "staff": null, "hiring": { "points": 18, "label": "15 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=metaview" }, "growth_signal": "Raised a $60M Series C led by Insight Partners in September 2026, taking total funding to $110M, and plans to grow from 80 to 250 staff by end of 2026.", "growth_source": "https://www.metaview.ai/resources/blog/metaview-raised-an-additional-60m-to-lead-the-shift-to-agentic-recruiting", "company_url": "https://londonmempool.co.uk/c/metaview" }, { "rank": 11, "id": "behavox", "name": "Behavox", "sector": "AI", "tier": "fast_growing", "score": 47, "funding": { "points": 37, "label": "Raised $175M in Jun 2026", "source": "https://pulse2.com/behavox-raises-175-million-from-hps-investment-partners-to-accelerate-global-growth/amp/" }, "staff": null, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=behavox" }, "growth_signal": "Raised $175M preferred equity from HPS (BlackRock) in Jun 2026 and grew its customer base 86% to 100+ financial institutions.", "growth_source": "https://pulse2.com/behavox-raises-175-million-from-hps-investment-partners-to-accelerate-global-growth/amp/", "company_url": "https://londonmempool.co.uk/c/behavox" }, { "rank": 12, "id": "basecamp-research", "name": "Basecamp Research", "sector": "AI", "tier": "fast_growing", "score": 47, "funding": { "points": 35, "label": "Raised $140M Series C in Sep 2026", "source": "https://tech.eu/2026/09/23/anthropic-and-nvidia-back-basecamp-research-in-140m-series-c/" }, "staff": null, "hiring": { "points": 12, "label": "6 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=basecamp-research" }, "growth_signal": "Raised a $140M Series C led by S32 on 23 Sep 2026 with NVIDIA and Anthropic via the Anthology Fund, taking total funding to $225M.", "growth_source": "https://tech.eu/2026/09/23/anthropic-and-nvidia-back-basecamp-research-in-140m-series-c/", "company_url": "https://londonmempool.co.uk/c/basecamp-research" }, { "rank": 13, "id": "conduct", "name": "Conduct", "sector": "AI", "tier": "fast_growing", "score": 47, "funding": { "points": 30, "label": "Raised $60M Series A in Jun 2026", "source": "https://www.conduct.ai/blog/series-a" }, "staff": null, "hiring": { "points": 17, "label": "13 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=conduct" }, "growth_signal": "Ex-Palantir founders raised a $60M Series A co-led by Index Ventures and ICONIQ with SAP in June 2026; customers include Daimler Truck and DHL.", "growth_source": "https://www.conduct.ai/blog/series-a", "company_url": "https://londonmempool.co.uk/c/conduct" }, { "rank": 14, "id": "relay", "name": "Relay", "sector": "Other", "tier": "fast_growing", "score": 47, "funding": { "points": 12, "label": "Raised $35M Series A in Feb 2025", "source": "https://www.vestbee.com/insights/articles/top-european-funding-rounds-closed-in-february-2025" }, "staff": { "points": 35, "label": "Staff 30 to 60 in a year (+100%, accounts to Feb 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/13910522/filing-history/MzQ5MTUwOTE1NWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $35M Series A led by Plural in February 2025.", "growth_source": "https://www.relaytech.co/careers", "company_url": "https://londonmempool.co.uk/c/relay" }, { "rank": 15, "id": "healf", "name": "Healf", "sector": "Health", "tier": "fast_growing", "score": 47, "funding": null, "staff": { "points": 35, "label": "Staff 13 to 35 in a year (+169%, accounts to Mar 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/12740599/filing-history/MzQ5Njg3MzQzOGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 12, "label": "6 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=healf" }, "growth_signal": "Ranked #1 on the Sifted 100 UK and Ireland 2026 with a 1,403% two-year revenue CAGR, £40M revenue and profitability.", "growth_source": "https://www.datocms-assets.com/60124/1774006698-sifted-100-uk-ireland-2026.pdf", "company_url": "https://londonmempool.co.uk/c/healf" }, { "rank": 16, "id": "shellworks", "name": "Shellworks", "sector": "Climate", "tier": "up_and_coming", "score": 46, "funding": { "points": 20, "label": "Raised $15M Series A in Mar 2026", "source": "https://tech.eu/2026/03/04/shellworks-raises-15m-to-scale-sustainable-plastic-alternative-vivomer/" }, "staff": { "points": 13, "label": "Staff 16 to 22 in a year (+38%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/12131588/filing-history/MzUzMzE3Mzc0NWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 13, "label": "7 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=shellworks" }, "growth_signal": "Raised a $15M Series A led by alter equity with Nat Friedman, JamJar and existing backers LocalGlobe and Founder Collective in March 2026.", "growth_source": "https://tech.eu/2026/03/04/shellworks-raises-15m-to-scale-sustainable-plastic-alternative-vivomer/", "company_url": "https://londonmempool.co.uk/c/shellworks" }, { "rank": 17, "id": "xapien", "name": "Xapien", "sector": "AI", "tier": "fast_growing", "score": 45, "funding": { "points": 30, "label": "Raised $56M Growth in Sep 2026", "source": "https://xapien.com/news-and-events/xapien-secures-56-million-to-scale-dynamic-due-diligence-globally/" }, "staff": null, "hiring": { "points": 15, "label": "10 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=xapien" }, "growth_signal": "Raised a $56M growth round led by Spectrum Equity in September 2026 and serves 350 clients in 15 countries, including KPMG and Dow Jones Risk and Compliance.", "growth_source": "https://xapien.com/news-and-events/xapien-secures-56-million-to-scale-dynamic-due-diligence-globally/", "company_url": "https://londonmempool.co.uk/c/xapien" }, { "rank": 18, "id": "imu-biosciences", "name": "IMU Biosciences", "sector": "Health", "tier": "fast_growing", "score": 45, "funding": { "points": 29, "label": "Raised $53M Series A in Jun 2026", "source": "https://imubiosciences.com/news/53-million-in-series-a-funding-secured" }, "staff": { "points": 16, "label": "Staff 18 to 26 in a year (+44%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/11881827/filing-history/MzU0ODUzNzk2MmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a £40M ($53M) Series A co-led by IQ Capital and Molten Ventures with the British Business Bank in June 2026.", "growth_source": "https://imubiosciences.com/news/53-million-in-series-a-funding-secured", "company_url": "https://londonmempool.co.uk/c/imu-biosciences" }, { "rank": 19, "id": "valarian", "name": "Valarian", "sector": "Defence", "tier": "fast_growing", "score": 45, "funding": { "points": 29, "label": "Raised $50M Series A in Jul 2026", "source": "https://pulse2.com/valarian-raises-50-million-series-a-to-build-sovereign-infrastructure-for-ai-driven-systems/" }, "staff": null, "hiring": { "points": 16, "label": "11 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=valarian" }, "growth_signal": "Raised a $50M Series A led by NEA in July 2026, bringing total funding to $70M.", "growth_source": "https://pulse2.com/valarian-raises-50-million-series-a-to-build-sovereign-infrastructure-for-ai-driven-systems/", "company_url": "https://londonmempool.co.uk/c/valarian" }, { "rank": 20, "id": "fintechos", "name": "FintechOS", "sector": "Fintech", "tier": "up_and_coming", "score": 45, "funding": { "points": 25, "label": "Raised $28M in Sep 2026", "source": "https://tech.eu/2026/09/21/fintechos-raises-28m-in-equity-and-debt/" }, "staff": { "points": 20, "label": "Staff 12 to 19 in a year (+58%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/11857916/filing-history/MzUyMjI4MjYzMGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised $28M in equity and debt in Sep 2026 from investors including IFC and Molten Ventures after reaching profitability in H1 2026.", "growth_source": "https://tech.eu/2026/09/21/fintechos-raises-28m-in-equity-and-debt/", "company_url": "https://londonmempool.co.uk/c/fintechos" }, { "rank": 21, "id": "modo-energy", "name": "Modo Energy", "sector": "Climate", "tier": "fast_growing", "score": 44, "funding": { "points": 22, "label": "Raised £25M Series B in Dec 2025", "source": "https://www.uktech.news/ai/modo-energy-seeks-rapid-expansion-following-25m-series-b-20251203" }, "staff": { "points": 10, "label": "Staff 28 to 36 in a year (+29%, accounts to Oct 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/11998983/filing-history/MzU0ODQzMjQ2MmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 12, "label": "6 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=modo-energy" }, "growth_signal": "Raised a £25M Series B led by Molten Ventures in December 2025 to grow from five to twenty markets.", "growth_source": "https://www.uktech.news/ai/modo-energy-seeks-rapid-expansion-following-25m-series-b-20251203", "company_url": "https://londonmempool.co.uk/c/modo-energy" }, { "rank": 22, "id": "comind", "name": "CoMind", "sector": "Health", "tier": "fast_growing", "score": 42, "funding": { "points": 26, "label": "Raised $103M in Oct 2025", "source": "https://www.comind.io/news/comind-announces-102-5m-funding-to-redefine-clinical-monitoring-of-the-brain" }, "staff": { "points": 1, "label": "Staff 52 to 54 in a year (+4%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/11729526/filing-history/MzUzNDU2NzUzMWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 15, "label": "10 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=comind" }, "growth_signal": "Raised $102.5M in October 2025 led by Plural, with Angelini Ventures, LocalGlobe and Octopus Ventures participating.", "growth_source": "https://www.comind.io/news/comind-announces-102-5m-funding-to-redefine-clinical-monitoring-of-the-brain", "company_url": "https://londonmempool.co.uk/c/comind" }, { "rank": 23, "id": "swap", "name": "Swap", "sector": "Other", "tier": "fast_growing", "score": 42, "funding": { "points": 29, "label": "Raised $100M Series C in Jan 2026", "source": "https://www.swap-commerce.com/careers" }, "staff": null, "hiring": { "points": 13, "label": "7 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=swap" }, "growth_signal": "Raised a $100M Series C co-led by ICONIQ and DST Global in Jan 2026, nine months after a $40M Series B.", "growth_source": "https://tech.eu/2026/01/07/e-commerce-operating-startup-swap-raises-100m/", "company_url": "https://londonmempool.co.uk/c/swap" }, { "rank": 24, "id": "mimica", "name": "Mimica", "sector": "AI", "tier": "fast_growing", "score": 42, "funding": { "points": 18, "label": "Raised $26.2M Series B in Sep 2025", "source": "https://www.paladincapgroup.com/2025/09/24/" }, "staff": { "points": 13, "label": "Staff 11 to 15 in a year (+36%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/11153050/filing-history/MzU0NDA4ODI1NWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 11, "label": "5 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=mimica" }, "growth_signal": "Raised a $26.2M Series B led by Paladin Capital Group in September 2025.", "growth_source": "https://www.paladincapgroup.com/2025/09/24/", "company_url": "https://londonmempool.co.uk/c/mimica" }, { "rank": 25, "id": "orbital", "name": "Orbital", "sector": "AI", "tier": "fast_growing", "score": 40, "funding": { "points": 26, "label": "Raised $60M Series B in Jan 2026", "source": "https://tech.eu/2026/01/26/orbital-raises-60m-series-b-to-automate-real-estate-law-with-ai/" }, "staff": null, "hiring": { "points": 14, "label": "8 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=orbital" }, "growth_signal": "Raised a $60M Series B led by Brighton Park Capital in January 2026 to support growth in the US and UK.", "growth_source": "https://tech.eu/2026/01/26/orbital-raises-60m-series-b-to-automate-real-estate-law-with-ai/", "company_url": "https://londonmempool.co.uk/c/orbital" }, { "rank": 26, "id": "inherent", "name": "Inherent", "sector": "AI", "tier": "fast_growing", "score": 40, "funding": { "points": 29, "label": "Raised $50M Seed in May 2026", "source": "https://tech.eu/2026/05/29/london-based-ai-lab-inherent-emerges-from-stealth-with-50m-raise/" }, "staff": null, "hiring": { "points": 11, "label": "5 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=inherent" }, "growth_signal": "Raised a $50M seed co-led by Index Ventures and Radical Ventures in May 2026; founded by Google DeepMind alumni.", "growth_source": "https://tech.eu/2026/05/29/london-based-ai-lab-inherent-emerges-from-stealth-with-50m-raise/", "company_url": "https://londonmempool.co.uk/c/inherent" }, { "rank": 27, "id": "orbital-industries", "name": "Orbital Industries", "sector": "AI", "tier": "fast_growing", "score": 40, "funding": { "points": 29, "label": "Raised $50M Series B in May 2026", "source": "https://tech.eu/2026/05/28/orbital-industries-secures-50m-to-scale-data-centre-infrastructure-systems/" }, "staff": null, "hiring": { "points": 11, "label": "5 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=orbital-industries" }, "growth_signal": "Raised a $50M Series B led by Plural in May 2026 to scale its data centre hardware and grow teams in London and San Francisco.", "growth_source": "https://tech.eu/2026/05/28/orbital-industries-secures-50m-to-scale-data-centre-infrastructure-systems/", "company_url": "https://londonmempool.co.uk/c/orbital-industries" }, { "rank": 28, "id": "jack-jill", "name": "Jack & Jill", "sector": "AI", "tier": "fast_growing", "score": 40, "funding": { "points": 27, "label": "Raised $40M Series A in Sep 2026", "source": "https://press.airstreet.com/p/jack-and-jill-series-a" }, "staff": null, "hiring": { "points": 13, "label": "7 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=jack-jill" }, "growth_signal": "Raised a $40M Series A led by Air Street in Sep 2026, under a year after a $20M seed; 5,350+ companies have used Jill.", "growth_source": "https://press.airstreet.com/p/jack-and-jill-series-a", "company_url": "https://londonmempool.co.uk/c/jack-jill" }, { "rank": 29, "id": "solve-intelligence", "name": "Solve Intelligence", "sector": "AI", "tier": "fast_growing", "score": 40, "funding": { "points": 23, "label": "Raised $40M Series B in Dec 2025", "source": "https://ipwatchdog.com/press/solve-intelligence-takes-total-funding-to-55m-with-series-b-round-to-build-ai-for-patents-and-launches-new-claim-charting-product/" }, "staff": null, "hiring": { "points": 17, "label": "14 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=solve-intelligence" }, "growth_signal": "Raised a $40M Series B led by Visionaries in Dec 2025 after ARR grew more than 10x since its Series A to eight figures; serves 400+ IP teams.", "growth_source": "https://ipwatchdog.com/press/solve-intelligence-takes-total-funding-to-55m-with-series-b-round-to-build-ai-for-patents-and-launches-new-claim-charting-product/", "company_url": "https://londonmempool.co.uk/c/solve-intelligence" }, { "rank": 30, "id": "outpost", "name": "Outpost", "sector": "Fintech", "tier": "up_and_coming", "score": 40, "funding": { "points": 21, "label": "Raised $17.5M Series A in Mar 2026", "source": "https://pulse2.com/outpost-17-5-million-raised-for-cross-border-commerce-infrastructure-platform" }, "staff": null, "hiring": { "points": 19, "label": "19 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=outpost" }, "growth_signal": "Raised a $17.5M Series A led by Ribbit in March 2026, less than a year after a seed round led by Better Tomorrow Ventures.", "growth_source": "https://pulse2.com/outpost-17-5-million-raised-for-cross-border-commerce-infrastructure-platform", "company_url": "https://londonmempool.co.uk/c/outpost" }, { "rank": 31, "id": "foundational", "name": "Foundational", "sector": "Deeptech", "tier": "up_and_coming", "score": 40, "funding": { "points": 19, "label": "Raised £8.2M Pre-seed in Sep 2026", "source": "https://payloadspace.com/foundational-raises-8-2m-for-satellite-laser-ranging/" }, "staff": null, "hiring": { "points": 21, "label": "27 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=foundational" }, "growth_signal": "Raised a £8.2M pre-seed from Inflection, BACKED, Final Frontier, Adjacent and Type One, with 16 satellites carrying its retroreflectors in orbit and about 60 more awaiting launch.", "growth_source": "https://payloadspace.com/foundational-raises-8-2m-for-satellite-laser-ranging/", "company_url": "https://londonmempool.co.uk/c/foundational" }, { "rank": 32, "id": "model-ml", "name": "Model ML", "sector": "Fintech", "tier": "fast_growing", "score": 39, "funding": { "points": 25, "label": "Raised $75M Series A in Nov 2025", "source": "https://fintech.global/2025/11/24/model-ml-secures-75m-to-expand-ai-workflow-product/" }, "staff": { "points": 14, "label": "Staff 15 to 21 in a year (+40%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/15457118/filing-history/MzU0ODE4NzAwMGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $12M seed (Feb 2025) and a $75M FT Partners-led Series A (Nov 2025), and HSBC announced a rollout in Sep 2026.", "growth_source": "https://www.modelml.com/articles/hsbc-rolls-out-model-ml-globally", "company_url": "https://londonmempool.co.uk/c/model-ml" }, { "rank": 33, "id": "encord", "name": "Encord", "sector": "AI", "tier": "fast_growing", "score": 39, "funding": { "points": 28, "label": "Raised $60M Series C in Feb 2026", "source": "https://pulse2.com/encord-60-million-series-c-raised-to-scale-ai-native-data-infrastructure/" }, "staff": { "points": 11, "label": "Staff 39 to 51 in a year (+31%, accounts to Dec 2024)", "source": "https://find-and-update.company-information.service.gov.uk/company/12330483/filing-history/MzQ2MzA4Nzk0NmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $60M Series C led by Wellington Management in Feb 2026; physical AI revenue grew 10x in 12 months.", "growth_source": "https://pulse2.com/encord-60-million-series-c-raised-to-scale-ai-native-data-infrastructure/", "company_url": "https://londonmempool.co.uk/c/encord" }, { "rank": 34, "id": "incard", "name": "Incard", "sector": "Fintech", "tier": "up_and_coming", "score": 39, "funding": { "points": 19, "label": "Raised £10M Series A in Feb 2026", "source": "https://fintech.global/2026/02/02/incard-bags-10m-to-expand-its-fintech-platform/" }, "staff": { "points": 3, "label": "Staff 14 to 15 in a year (+7%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/13073893/filing-history/MzUzMjU1NTQ2M2FkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 17, "label": "14 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=incard" }, "growth_signal": "Raised a £10M Series A led by Smartfin in Feb 2026 to expand into the US and Europe.", "growth_source": "https://fintech.global/2026/02/02/incard-bags-10m-to-expand-its-fintech-platform/", "company_url": "https://londonmempool.co.uk/c/incard" }, { "rank": 35, "id": "gaussion", "name": "Gaussion", "sector": "Climate", "tier": "fast_growing", "score": 38, "funding": { "points": 25, "label": "Raised £21M Growth in Jun 2026", "source": "https://businesscloud.co.uk/live-blog/early-spacex-investor-joins-gaussions-21m-round/" }, "staff": { "points": 13, "label": "Staff 14 to 19 in a year (+36%, accounts to Jun 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/13474140/filing-history/MzQ5MDM1NjczMmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Closed a £21M round co-led by BGF and AlbionVC in June 2026, taking total capital raised to over $44M.", "growth_source": "https://businesscloud.co.uk/live-blog/early-spacex-investor-joins-gaussions-21m-round/", "company_url": "https://londonmempool.co.uk/c/gaussion" }, { "rank": 36, "id": "relation", "name": "Relation", "sector": "AI", "tier": "fast_growing", "score": 38, "funding": { "points": 21, "label": "Raised $26M in Dec 2025", "source": "https://juvlabs.com/?p=5701" }, "staff": null, "hiring": { "points": 17, "label": "14 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=relation" }, "growth_signal": "Raised a further $26M from NVentures, DCVC and Magnetic in Dec 2025, then signed a GSK research collaboration worth up to $110M in Jul 2026.", "growth_source": "https://www.biospace.com/press-releases/relation-announces-expanded-collaboration-with-gsk", "company_url": "https://londonmempool.co.uk/c/relation" }, { "rank": 37, "id": "fleek", "name": "Fleek", "sector": "AI", "tier": "fast_growing", "score": 38, "funding": { "points": 24, "label": "Raised $25M Series B in Jul 2026", "source": "https://thenextweb.com/news/fleek-25m-series-b-secondhand-fashion-ai" }, "staff": null, "hiring": { "points": 14, "label": "8 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=fleek" }, "growth_signal": "Raised a $25M Series B led by Burda Principal Investments with eBay and a16z in July 2026.", "growth_source": "https://thenextweb.com/news/fleek-25m-series-b-secondhand-fashion-ai", "company_url": "https://londonmempool.co.uk/c/fleek" }, { "rank": 38, "id": "silence-therapeutics", "name": "Silence Therapeutics", "sector": "Health", "tier": "fast_growing", "score": 37, "funding": { "points": 37, "label": "Raised $201M IPO in Aug 2026", "source": "https://www.goodwinlaw.com/en/news-and-events/news/2026/08/announcements-lifesciences-cm-goodwin-advises-underwriters-silence-public-offering" }, "staff": null, "hiring": null, "growth_signal": "Raised about $201M in an upsized US public offering of ADSs in August 2026.", "growth_source": "https://www.goodwinlaw.com/en/news-and-events/news/2026/08/announcements-lifesciences-cm-goodwin-advises-underwriters-silence-public-offering", "company_url": "https://londonmempool.co.uk/c/silence-therapeutics" }, { "rank": 39, "id": "paymentology", "name": "Paymentology", "sector": "Fintech", "tier": "fast_growing", "score": 37, "funding": { "points": 37, "label": "Raised $175M Growth in May 2026", "source": "https://fintech.global/2026/05/12/paymentology-raises-175m-to-fuel-global-expansion/" }, "staff": null, "hiring": null, "growth_signal": "Raised $175M growth equity co-led by Apis Partners and Aspirity Partners in May 2026 after new sales grew 117% year on year in FY25.", "growth_source": "https://fintech.global/2026/05/12/paymentology-raises-175m-to-fuel-global-expansion/", "company_url": "https://londonmempool.co.uk/c/paymentology" }, { "rank": 40, "id": "sona", "name": "Sona", "sector": "AI", "tier": "fast_growing", "score": 36, "funding": { "points": 28, "label": "Raised $45M Series B in Apr 2026", "source": "https://www.prnewswire.co.uk/news-releases/sona-raises-45m-series-b-to-bring-ai-to-the-frontline-economy-302730501.html" }, "staff": { "points": 8, "label": "Staff 47 to 58 in a year (+23%, accounts to Jan 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/13431655/filing-history/MzUwMjMzOTY5MmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $45M Series B led by N47 in Apr 2026, taking total funding past $100M.", "growth_source": "https://www.prnewswire.co.uk/news-releases/sona-raises-45m-series-b-to-bring-ai-to-the-frontline-economy-302730501.html", "company_url": "https://londonmempool.co.uk/c/sona" }, { "rank": 41, "id": "geordie-ai", "name": "Geordie AI", "sector": "AI", "tier": "fast_growing", "score": 36, "funding": { "points": 26, "label": "Raised $30M Series A in May 2026", "source": "https://www.fortune.com/2026/05/28/geordie-security-governance-ai-agents/" }, "staff": null, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=geordie-ai" }, "growth_signal": "Raised a $30M Series A led by Balderton in May 2026 at about $180M post-money, with headcount at 37 and planned to reach 50 within three months.", "growth_source": "https://www.fortune.com/2026/05/28/geordie-security-governance-ai-agents/", "company_url": "https://londonmempool.co.uk/c/geordie-ai" }, { "rank": 42, "id": "magentic", "name": "Magentic", "sector": "AI", "tier": "up_and_coming", "score": 36, "funding": { "points": 22, "label": "Raised $18M Series A in Sep 2026", "source": "https://tech.eu/2026/09/17/magentic-raises-18m-to-automate-industrial-operations-with-ai-agents/" }, "staff": null, "hiring": { "points": 14, "label": "8 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=magentic" }, "growth_signal": "Raised an $18M Series A led by Felicis with Sequoia Capital and The Westly Group in September 2026, a year after launch.", "growth_source": "https://tech.eu/2026/09/17/magentic-raises-18m-to-automate-industrial-operations-with-ai-agents/", "company_url": "https://londonmempool.co.uk/c/magentic" }, { "rank": 43, "id": "abound", "name": "Abound", "sector": "Fintech", "tier": "fast_growing", "score": 35, "funding": null, "staff": { "points": 20, "label": "Staff 52 to 81 in a year (+56%, accounts to Feb 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/12472034/filing-history/MzQ3Mjc1OTY1M2FkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 15, "label": "9 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=abound" }, "growth_signal": "Revenue more than doubled to GBP66.8M in the year to Feb 2025 from GBP26.6M, with net profit up 25x to GBP7.5M.", "growth_source": "https://businesscloud.co.uk/news/abound-revenue-hits-66-8m-as-profit-surges-25-fold/", "company_url": "https://londonmempool.co.uk/c/abound" }, { "rank": 44, "id": "ankar", "name": "Ankar", "sector": "AI", "tier": "fast_growing", "score": 35, "funding": { "points": 19, "label": "Raised $20M Series A in Dec 2025", "source": "https://www.ankar.ai/blog/ankar-raises-20m-in-series-a-funding-led-by-atomico-to-transform-how-breakthrough-ideas-become-protected-innovation" }, "staff": null, "hiring": { "points": 16, "label": "11 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=ankar" }, "growth_signal": "Ex-Palantir founders raised a $20M Series A led by Atomico with Index Ventures in Dec 2025, bringing total funding to $24M; customers include L'Oreal and Vorys.", "growth_source": "https://www.ankar.ai/blog/ankar-raises-20m-in-series-a-funding-led-by-atomico-to-transform-how-breakthrough-ideas-become-protected-innovation", "company_url": "https://londonmempool.co.uk/c/ankar" }, { "rank": 45, "id": "stelia", "name": "Stelia", "sector": "AI", "tier": "up_and_coming", "score": 35, "funding": null, "staff": { "points": 35, "label": "Staff 11 to 23 in a year (+109%, accounts to Mar 2026)", "source": "https://find-and-update.company-information.service.gov.uk/company/13779434/filing-history/MzU0NzQxOTUzMmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Backed by Episode 1 and 3VC, and announced enterprise AI partnerships with Nokia in March 2026 and Reading Football Club in 2026.", "growth_source": "https://newsroom.stelia.ai", "company_url": "https://londonmempool.co.uk/c/stelia" }, { "rank": 46, "id": "fanvue", "name": "Fanvue", "sector": "Other", "tier": "fast_growing", "score": 35, "funding": null, "staff": { "points": 35, "label": "Staff 16 to 59 in a year (+269%, accounts to Jul 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/12729677/filing-history/MzUxODk3NjczN2FkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Ranked #29 on the Sifted 100 UK and Ireland 2026 with a 259% two-year revenue CAGR.", "growth_source": "https://www.datocms-assets.com/60124/1774006698-sifted-100-uk-ireland-2026.pdf", "company_url": "https://londonmempool.co.uk/c/fanvue" }, { "rank": 47, "id": "fero", "name": "Fero", "sector": "Fintech", "tier": "up_and_coming", "score": 35, "funding": null, "staff": { "points": 35, "label": "Staff 12 to 25 in a year (+108%, accounts to Mar 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/11276611/filing-history/MzQ3OTAwMDY4OGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Passed $1B in inventory traded across 30+ markets in June 2026, less than a year after a $550M asset-backed securitisation.", "growth_source": "https://ferodrinks.com/posts/fero-surpasses-1-billion-in-inventory-traded-as-drinks-industry-new-operating-model-reaches-milestone", "company_url": "https://londonmempool.co.uk/c/fero" }, { "rank": 48, "id": "oriole-networks", "name": "Oriole Networks", "sector": "AI", "tier": "up_and_coming", "score": 35, "funding": null, "staff": { "points": 35, "label": "Staff 18 to 50 in a year (+178%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/14802813/filing-history/MzUxNjg3NDQ1MWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Founded in 2023, now about 87 staff on LinkedIn, and in June 2026 announced it will deploy its pure photonic AI network with AMD at ARIA's Scaling Inference Lab.", "growth_source": "https://oriolenetworks.com/oriole-to-supercharge-data-centers/", "company_url": "https://londonmempool.co.uk/c/oriole-networks" }, { "rank": 49, "id": "yaspa", "name": "Yaspa", "sector": "Fintech", "tier": "fast_growing", "score": 35, "funding": null, "staff": { "points": 35, "label": "Staff 22 to 44 in a year (+100%, accounts to Sep 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/09902175/filing-history/MzUyOTQ4ODE5NmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Ranked #4 on the Sifted 100 UK and Ireland 2026 with a 733% two-year revenue CAGR.", "growth_source": "https://www.datocms-assets.com/60124/1774006698-sifted-100-uk-ireland-2026.pdf", "company_url": "https://londonmempool.co.uk/c/yaspa" }, { "rank": 50, "id": "elliptic", "name": "Elliptic", "sector": "Crypto", "tier": "fast_growing", "score": 34, "funding": { "points": 34, "label": "Raised $120M Series D in May 2026", "source": "https://www.cityam.com/elliptic-secures-120-million-investment-from-nasdaq-ventures-deutsche-bank-one-peak-and-the-british-business-bank/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $120M Series D at a $670M valuation in May 2026, led by One Peak, and serves 700+ customers in 30 countries.", "growth_source": "https://www.cityam.com/elliptic-secures-120-million-investment-from-nasdaq-ventures-deutsche-bank-one-peak-and-the-british-business-bank/", "company_url": "https://londonmempool.co.uk/c/elliptic" }, { "rank": 51, "id": "hived", "name": "HIVED", "sector": "Climate", "tier": "fast_growing", "score": 34, "funding": { "points": 18, "label": "Raised $42M Series B in Jul 2025", "source": "https://www.datocms-assets.com/60124/1774006698-sifted-100-uk-ireland-2026.pdf" }, "staff": null, "hiring": { "points": 16, "label": "11 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=hived" }, "growth_signal": "Raised a $42M Series B led by NordicNinja in July 2025 and ranked 64th on the Sifted 100 UK and Ireland 2026 with 145% two-year revenue CAGR.", "growth_source": "https://www.electrive.com/2025/07/09/uk-logistics-firm-hived-nabs-42m-in-series-b-funding", "company_url": "https://londonmempool.co.uk/c/hived" }, { "rank": 52, "id": "applied-computing", "name": "Applied Computing", "sector": "AI", "tier": "fast_growing", "score": 34, "funding": { "points": 23, "label": "Raised $20M in Jul 2026", "source": "https://tech.eu/2026/07/16/applied-computing-lands-20m-to-expand-foundation-ai-for-energy/" }, "staff": null, "hiring": { "points": 11, "label": "5 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=applied-computing" }, "growth_signal": "Raised $20M led by KBR with Databricks Ventures in Jul 2026, after a £9M seed in 2025, and opened offices in Bengaluru and Houston.", "growth_source": "https://tech.eu/2026/07/16/applied-computing-lands-20m-to-expand-foundation-ai-for-energy/", "company_url": "https://londonmempool.co.uk/c/applied-computing" }, { "rank": 53, "id": "dyad", "name": "Dyad", "sector": "Health", "tier": "up_and_coming", "score": 34, "funding": { "points": 18, "label": "Raised £7.5M Series A in Apr 2026", "source": "https://dealroom.co/news/157527-dyad-raises-7-5m-to-turn-clinical-paperwork-into-data/" }, "staff": { "points": 12, "label": "Staff 23 to 31 in a year (+35%, accounts to May 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/12626064/filing-history/MzQ4NzUzOTA3MGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 4, "label": "1 open London role now", "source": "https://londonmempool.co.uk/jobs?company=dyad" }, "growth_signal": "Raised a £7.5M Series A led by Sangha Capital in 2026 and serves more than 200 GP surgeries.", "growth_source": "https://dealroom.co/news/157527-dyad-raises-7-5m-to-turn-clinical-paperwork-into-data/", "company_url": "https://londonmempool.co.uk/c/dyad" }, { "rank": 54, "id": "primer", "name": "Primer", "sector": "Fintech", "tier": "fast_growing", "score": 33, "funding": { "points": 33, "label": "Raised $100M Series C in May 2026", "source": "https://fintech.global/2026/05/20/primer-raises-100m-series-c-to-power-ai-payments/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $100m Series C led by Sofina with Peak XV in May 2026, taking total funding to $170m.", "growth_source": "https://fintech.global/2026/05/20/primer-raises-100m-series-c-to-power-ai-payments/", "company_url": "https://londonmempool.co.uk/c/primer" }, { "rank": 55, "id": "elyos-ai", "name": "Elyos AI", "sector": "AI", "tier": "up_and_coming", "score": 33, "funding": { "points": 18, "label": "Raised $13M Series A in Jan 2026" }, "staff": null, "hiring": { "points": 15, "label": "9 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=elyos-ai" }, "growth_signal": "YC-backed company that raised a $13M Series A led by Blackbird with Y Combinator and Pi Labs in January 2026.", "growth_source": "https://www.elyos.ai/careers", "company_url": "https://londonmempool.co.uk/c/elyos-ai" }, { "rank": 56, "id": "wirex", "name": "Wirex", "sector": "Crypto", "tier": "fast_growing", "score": 33, "funding": null, "staff": { "points": 33, "label": "Staff 20 to 39 in a year (+95%, accounts to Jun 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/09334596/filing-history/MzUzNDA1OTI0N2FkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "UK entity headcount nearly doubled from 20 to 39 and revenue rose to £18.1M in the year to June 2025, per filed accounts.", "growth_source": "https://find-and-update.company-information.service.gov.uk/company/09334596/filing-history", "company_url": "https://londonmempool.co.uk/c/wirex" }, { "rank": 57, "id": "scan-com", "name": "Scan.com", "sector": "Health", "tier": "fast_growing", "score": 32, "funding": { "points": 32, "label": "Raised $90M equity Series C in Sep 2026, debt part not scored", "source": "https://pulse2.com/scan-com-raises-220-million-in-equity-and-debt-financing-as-revenue-run-rate-tops-165-million/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $90M equity Series C in Sep 2026 and reported revenue doubled in a year to a run rate above $165M.", "growth_source": "https://pulse2.com/scan-com-raises-220-million-in-equity-and-debt-financing-as-revenue-run-rate-tops-165-million/", "company_url": "https://londonmempool.co.uk/c/scan-com" }, { "rank": 58, "id": "cytospire-therapeutics", "name": "Cytospire Therapeutics", "sector": "Health", "tier": "fast_growing", "score": 32, "funding": { "points": 32, "label": "Raised £61M Series A in May 2026", "source": "https://www.cytospire.com/cytospire-therapeutics-announces-oversubscribed-61-million-83m-series-a-financing-to-advance-pipeline-of-first-in-class-pan-gamma-delta-t-cell-engagers-into-clinical-trials-for-the-treatment-of-can/" }, "staff": null, "hiring": null, "growth_signal": "Raised an oversubscribed £61M ($83M) Series A led by 4BIO Capital in May 2026.", "growth_source": "https://www.cytospire.com/cytospire-therapeutics-announces-oversubscribed-61-million-83m-series-a-financing-to-advance-pipeline-of-first-in-class-pan-gamma-delta-t-cell-engagers-into-clinical-trials-for-the-treatment-of-can/", "company_url": "https://londonmempool.co.uk/c/cytospire-therapeutics" }, { "rank": 59, "id": "incident-io", "name": "incident.io", "sector": "Other", "tier": "fast_growing", "score": 32, "funding": { "points": 16, "label": "Raised $62M Series B in Apr 2025", "source": "https://incident.io/blog/incident.io-raises-62m" }, "staff": { "points": 16, "label": "Staff 50 to 73 in a year (+46%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/13093357/filing-history/MzU0NjQ1Njc0N2FkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $62M Series B led by Insight Partners in April 2025, taking total funding past $96M.", "growth_source": "https://incident.io/blog/incident.io-raises-62m", "company_url": "https://londonmempool.co.uk/c/incident-io" }, { "rank": 60, "id": "tilt", "name": "Tilt", "sector": "Other", "tier": "fast_growing", "score": 32, "funding": { "points": 25, "label": "Raised $26M in Jun 2026", "source": "https://www.shopifreaks.com/tilt-a-london-based-live-shopping-auction-app-raised-26m-to-expand-its-ai-powered-selling-tools-and-enter-the-u-s/" }, "staff": null, "hiring": { "points": 7, "label": "2 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=tilt" }, "growth_signal": "Raised $26M in June 2026 led by TQ Ventures with Vinted Ventures joining Balderton, Earlybird and Seedcamp, taking total funding to $50M.", "growth_source": "https://www.shopifreaks.com/tilt-a-london-based-live-shopping-auction-app-raised-26m-to-expand-its-ai-powered-selling-tools-and-enter-the-u-s/", "company_url": "https://londonmempool.co.uk/c/tilt" }, { "rank": 61, "id": "reapit", "name": "Reapit", "sector": "Other", "tier": "fast_growing", "score": 32, "funding": { "points": 25, "label": "Raised at least £20M Growth in Sep 2026", "source": "https://dealroom.co/news/148065-reapit-lands-20m-from-accel-kkr-to-boost-ai-and-platform/" }, "staff": null, "hiring": { "points": 7, "label": "2 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=reapit" }, "growth_signal": "Took £20M+ (about $27M) of growth equity from Accel-KKR in September 2026; serves 92,000+ agents across 18,000+ branches.", "growth_source": "https://dealroom.co/news/148065-reapit-lands-20m-from-accel-kkr-to-boost-ai-and-platform/", "company_url": "https://londonmempool.co.uk/c/reapit" }, { "rank": 62, "id": "chip", "name": "Chip", "sector": "Fintech", "tier": "fast_growing", "score": 32, "funding": { "points": 17, "label": "Raised $22.5M Growth in Sep 2025", "source": "https://app.welcometothejungle.com/companies/Chip" }, "staff": null, "hiring": { "points": 15, "label": "10 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=chip" }, "growth_signal": "Raised a $22.5M late-stage round in Sep 2025 and has 500,000 registered users and 27,000 individual shareholders.", "growth_source": "https://www.getchip.uk/about", "company_url": "https://londonmempool.co.uk/c/chip" }, { "rank": 63, "id": "scope", "name": "Scope", "sector": "AI", "tier": "fast_growing", "score": 32, "funding": { "points": 23, "label": "Raised $20M in May 2026", "source": "https://pulse2.com/scope-20-million-raised-for-ai-inspection-platform-transforming-the-tic-industry/" }, "staff": null, "hiring": { "points": 9, "label": "3 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=scope" }, "growth_signal": "Raised $20M led by Index Ventures in May 2026; inspectors at six of the top 10 global inspection companies use it and ARR has grown 9x since launch.", "growth_source": "https://pulse2.com/scope-20-million-raised-for-ai-inspection-platform-transforming-the-tic-industry/", "company_url": "https://londonmempool.co.uk/c/scope" }, { "rank": 64, "id": "nplan", "name": "nPlan", "sector": "AI", "tier": "up_and_coming", "score": 32, "funding": { "points": 17, "label": "Raised $16M Series B in Oct 2025", "source": "https://www.nplan.io/press-releases/nplan-raises-16m-series-b-to-scale-its-ai-led-transformation-of-capital-project-delivery" }, "staff": { "points": 1, "label": "Staff 34 to 35 in a year (+3%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/11043916/filing-history/MzU0ODE4MTE5OGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 14, "label": "8 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=nplan" }, "growth_signal": "Raised a $16M Series B in Oct 2025 led by CapHorn with Chevron Technology Ventures, GV and LocalGlobe participating.", "growth_source": "https://www.nplan.io/press-releases/nplan-raises-16m-series-b-to-scale-its-ai-led-transformation-of-capital-project-delivery", "company_url": "https://londonmempool.co.uk/c/nplan" }, { "rank": 65, "id": "meticulous", "name": "Meticulous", "sector": "AI", "tier": "up_and_coming", "score": 32, "funding": { "points": 21, "label": "Raised $15M Series A in Jul 2026", "source": "https://raising.fi/news/meticulous-series-a-july-2026" }, "staff": null, "hiring": { "points": 11, "label": "5 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=meticulous" }, "growth_signal": "Raised a $15M Series A led by Chemistry in July 2026, with ARR up about fivefold in a year and customers including Notion, ElevenLabs, Dropbox, Wiz and LaunchDarkly.", "growth_source": "https://fundraiseinsider.com/blog/meticulous-raises-15m-series-a-to-test-ai-code/", "company_url": "https://londonmempool.co.uk/c/meticulous" }, { "rank": 66, "id": "luminance", "name": "Luminance", "sector": "AI", "tier": "fast_growing", "score": 31, "funding": { "points": 14, "label": "Raised $75M Series C in Feb 2025", "source": "https://sacra.com/c/luminance/" }, "staff": null, "hiring": { "points": 17, "label": "14 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=luminance" }, "growth_signal": "Raised a $75M Series C led by Point72 in Feb 2025, and headcount grew 80% in 2024 to about 250.", "growth_source": "https://siliconangle.com/2025/02/18/british-legaltech-startup-luminance-raises-75m-contract-ai-assistant/", "company_url": "https://londonmempool.co.uk/c/luminance" }, { "rank": 67, "id": "threataware", "name": "ThreatAware", "sector": "Other", "tier": "fast_growing", "score": 31, "funding": { "points": 23, "label": "Raised $25M Series A in Feb 2026", "source": "https://threataware.com/insights/blogs/25M-Series-A-Funding" }, "staff": { "points": 8, "label": "Staff 23 to 28 in a year (+22%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/14505300/filing-history/MzU0ODQ2NDMzOGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $25M Series A from One Peak in February 2026 and serves over 100 customers.", "growth_source": "https://threataware.com/insights/blogs/25M-Series-A-Funding", "company_url": "https://londonmempool.co.uk/c/threataware" }, { "rank": 68, "id": "engitix", "name": "Engitix", "sector": "Health", "tier": "fast_growing", "score": 31, "funding": { "points": 21, "label": "Raised £18.6M Series A in Jan 2026", "source": "https://funding.tech.eu/deals/48508008-3518-47B5-8A39-E93B76A7C67D" }, "staff": null, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=engitix" }, "growth_signal": "Raised £18.6M (about €21M) in a Series A follow-on in January 2026, above the $20M equity bar within 24 months.", "growth_source": "https://funding.tech.eu/deals/48508008-3518-47B5-8A39-E93B76A7C67D", "company_url": "https://londonmempool.co.uk/c/engitix" }, { "rank": 69, "id": "kernel", "name": "Kernel", "sector": "AI", "tier": "up_and_coming", "score": 31, "funding": { "points": 16, "label": "Raised $9M Series A in Jan 2026", "source": "https://www.kernel.ai/series-a-announcement" }, "staff": null, "hiring": { "points": 15, "label": "10 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=kernel" }, "growth_signal": "Ranked #46 on the Sifted 100 UK and Ireland 2026, a list ranked by two-year revenue growth, after a $9M Series A led by Kinnevik.", "growth_source": "https://www.datocms-assets.com/60124/1774006698-sifted-100-uk-ireland-2026.pdf", "company_url": "https://londonmempool.co.uk/c/kernel" }, { "rank": 70, "id": "artificial-labs", "name": "Artificial Labs", "sector": "Fintech", "tier": "up_and_coming", "score": 31, "funding": null, "staff": { "points": 16, "label": "Staff 28 to 41 in a year (+46%, accounts to Dec 2024)", "source": "https://find-and-update.company-information.service.gov.uk/company/08766928/filing-history/MzQ3Njc0OTAwM2FkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 15, "label": "10 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=artificial-labs" }, "growth_signal": "Says $80 billion in premium has been processed on its platform, with BMS Group and Lockton as named users.", "growth_source": "https://artificial.io", "company_url": "https://londonmempool.co.uk/c/artificial-labs" }, { "rank": 71, "id": "milltech", "name": "MillTech", "sector": "Fintech", "tier": "fast_growing", "score": 30, "funding": { "points": 30, "label": "Raised $60M Growth in Apr 2026", "source": "https://ventureburn.com/milltech-bags-60m-to-scale-treasury-and-fx-tools/" }, "staff": null, "hiring": null, "growth_signal": "Took a $60M growth equity investment from Apax Digital Funds in Apr 2026 at a $325M valuation, after revenue growth of 79% in 2024 and 73% in 2025.", "growth_source": "https://ventureburn.com/milltech-bags-60m-to-scale-treasury-and-fx-tools/", "company_url": "https://londonmempool.co.uk/c/milltech" }, { "rank": 72, "id": "vertice", "name": "Vertice", "sector": "Other", "tier": "fast_growing", "score": 30, "funding": { "points": 12, "label": "Raised $50M Series C in Jan 2025", "source": "https://fintech.global/2025/01/22/vertice-secures-50m-series-c-funding-to-enhance-procurement-efficiency/" }, "staff": null, "hiring": { "points": 18, "label": "15 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=vertice" }, "growth_signal": "Raised a $50M Series C led by Lakestar in January 2025 after growing revenue 13x in two years.", "growth_source": "https://fintech.global/2025/01/22/vertice-secures-50m-series-c-funding-to-enhance-procurement-efficiency/", "company_url": "https://londonmempool.co.uk/c/vertice" }, { "rank": 73, "id": "flagright", "name": "Flagright", "sector": "Fintech", "tier": "fast_growing", "score": 30, "funding": { "points": 20, "label": "Raised $12.5M Series A in Jun 2026", "source": "https://fintechnews.sg/133186/regtech/flagright-series-a-funding/" }, "staff": null, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=flagright" }, "growth_signal": "Ranked #67 on the Sifted 100 UK and Ireland 2026 with a 139% two-year revenue CAGR.", "growth_source": "https://www.datocms-assets.com/60124/1774006698-sifted-100-uk-ireland-2026.pdf", "company_url": "https://londonmempool.co.uk/c/flagright" }, { "rank": 74, "id": "highview-power", "name": "Highview Power", "sector": "Climate", "tier": "fast_growing", "score": 29, "funding": { "points": 29, "label": "Raised £130M in Nov 2025", "source": "https://www.orrick.com/en/News/2025/11/Highview-Power-Secures-130-Million-for-3-2GWh-Hybrid-Energy-Storage-Project" }, "staff": null, "hiring": null, "growth_signal": "Raised £130M in November 2025, led by Mosaic Capital with Scottish National Investment Bank, Centrica, Goldman Sachs and KIRKBI, for its Hunterston plant, taking total funding past £500M.", "growth_source": "https://www.orrick.com/en/News/2025/11/Highview-Power-Secures-130-Million-for-3-2GWh-Hybrid-Energy-Storage-Project", "company_url": "https://londonmempool.co.uk/c/highview-power" }, { "rank": 75, "id": "stream", "name": "Stream", "sector": "Fintech", "tier": "fast_growing", "score": 29, "funding": { "points": 29, "label": "Raised $90M Series D in Jan 2026", "source": "https://stream.co/en/articles/stream-raises-90m-in-series-d-funding-to-redefine-workplace-finance" }, "staff": null, "hiring": null, "growth_signal": "Raised a $90M Series D led by Sofina in Jan 2026, with FY2025 revenue of £66.8M, up 81% year on year.", "growth_source": "https://stream.co/en/articles/stream-raises-90m-in-series-d-funding-to-redefine-workplace-finance", "company_url": "https://londonmempool.co.uk/c/stream" }, { "rank": 76, "id": "10x-banking", "name": "10x Banking", "sector": "Fintech", "tier": "fast_growing", "score": 29, "funding": { "points": 29, "label": "Raised £40M in Aug 2026", "source": "https://www.10xbanking.com/news/new-investment-from-ashgrove-capital" }, "staff": null, "hiring": null, "growth_signal": "Raised £40M in equity and debt from AshGrove Capital in Aug 2026 after turning EBITDA-positive, passing 10M live accounts and growing ARR 30%+.", "growth_source": "https://www.10xbanking.com/news/new-investment-from-ashgrove-capital", "company_url": "https://londonmempool.co.uk/c/10x-banking" }, { "rank": 77, "id": "satvu", "name": "SatVu", "sector": "Deeptech", "tier": "fast_growing", "score": 29, "funding": { "points": 25, "label": "Raised £30M in Feb 2026", "source": "https://www.satellitevu.com/news/nato-innovation-fund-backs-thermal-intelligence-with-multi-million-satvu-investment" }, "staff": null, "hiring": { "points": 4, "label": "1 open London role now", "source": "https://londonmempool.co.uk/jobs?company=satvu" }, "growth_signal": "Closed a GBP30M round backed by the NATO Innovation Fund in February 2026, taking equity raised to GBP60M, and HotSat-2 has started commercial operations.", "growth_source": "https://www.satellitevu.com/news/nato-innovation-fund-backs-thermal-intelligence-with-multi-million-satvu-investment", "company_url": "https://londonmempool.co.uk/c/satvu" }, { "rank": 78, "id": "fyxer-ai", "name": "Fyxer AI", "sector": "AI", "tier": "fast_growing", "score": 29, "funding": { "points": 19, "label": "Raised $30M Series B in Sep 2025", "source": "https://startupintros.com/news/2025-03-01-fyxer-ai-series-a" }, "staff": null, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=fyxer-ai" }, "growth_signal": "ARR grew from $1M to over $17M in 2025, and it raised a $30M Madrona-led Series B in Sep 2025.", "growth_source": "https://landing.fyxer.com/blog/series-b-statement", "company_url": "https://londonmempool.co.uk/c/fyxer-ai" }, { "rank": 79, "id": "trybe", "name": "Trybe", "sector": "Other", "tier": "fast_growing", "score": 29, "funding": { "points": 23, "label": "Raised $30M Series A in Jan 2026", "source": "https://try.be/blog/trybe-five-elms-capital" }, "staff": { "points": 2, "label": "Staff 23 to 24 in a year (+4%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/12201800/filing-history/MzU0ODU0NTQ3M2FkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 4, "label": "1 open London role now", "source": "https://londonmempool.co.uk/jobs?company=trybe" }, "growth_signal": "Raised a $30M Series A from Five Elms Capital in Jan 2026.", "growth_source": "https://try.be/blog/trybe-five-elms-capital", "company_url": "https://londonmempool.co.uk/c/trybe" }, { "rank": 80, "id": "sequence", "name": "Sequence", "sector": "Fintech", "tier": "fast_growing", "score": 29, "funding": { "points": 19, "label": "Raised $20M Series A in Dec 2025", "source": "https://www.sequencehq.com/blog/sequence-announces-series-a" }, "staff": null, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=sequence" }, "growth_signal": "Raised a $20M Series A led by 645 Ventures in Dec 2025 after 10x ARR growth that year.", "growth_source": "https://www.sequencehq.com/blog/sequence-announces-series-a", "company_url": "https://londonmempool.co.uk/c/sequence" }, { "rank": 81, "id": "frontier-health", "name": "Frontier Health", "sector": "Health", "tier": "up_and_coming", "score": 29, "funding": { "points": 22, "label": "Raised $16M Seed in Jun 2026", "source": "https://digitalhealth.london/frontier-health-raises-16-million-to-automate-nhs-administration" }, "staff": null, "hiring": { "points": 7, "label": "2 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=frontier-health" }, "growth_signal": "Founded by Palantir's former NHS healthcare lead, it raised a $16M seed led by Atomico with firstminute and XYZ in June 2026.", "growth_source": "https://tech.eu/2026/06/18/former-palantir-healthcare-head-raises-16m-for-nhs-ai-agent-startup/", "company_url": "https://londonmempool.co.uk/c/frontier-health" }, { "rank": 82, "id": "helical", "name": "Helical", "sector": "AI", "tier": "up_and_coming", "score": 29, "funding": { "points": 19, "label": "Raised $10M Seed in Apr 2026", "source": "https://thenextweb.com/news/helical-10m-seed-bio-foundation-models-pharma-ai" }, "staff": null, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=helical" }, "growth_signal": "Raised a $10M seed led by redalpine in April 2026 and works with multiple top-20 pharma companies, including public collaborations with Pfizer and Tanabe Pharma America.", "growth_source": "https://thenextweb.com/news/helical-10m-seed-bio-foundation-models-pharma-ai", "company_url": "https://londonmempool.co.uk/c/helical" }, { "rank": 83, "id": "beacon-therapeutics", "name": "Beacon Therapeutics", "sector": "Health", "tier": "fast_growing", "score": 28, "funding": { "points": 28, "label": "Raised at least $75M Series C in Jan 2026", "source": "https://www.beacontx.com/news-and-events/beacon-therapeutics-announces-closing-of-oversubscribed-series-c-financing-for-over-75-million/" }, "staff": null, "hiring": null, "growth_signal": "Closed an oversubscribed Series C of over $75M led by Goldman Sachs Alternatives in January 2026.", "growth_source": "https://www.beacontx.com/news-and-events/beacon-therapeutics-announces-closing-of-oversubscribed-series-c-financing-for-over-75-million/", "company_url": "https://londonmempool.co.uk/c/beacon-therapeutics" }, { "rank": 84, "id": "isembard", "name": "Isembard", "sector": "Deeptech", "tier": "fast_growing", "score": 28, "funding": { "points": 28, "label": "Raised $50M Series A in Mar 2026", "source": "https://isembard.com/uk/newsroom/series-a/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $50M Series A led by Union Square Ventures in March 2026, about a year after its $9M seed, to open 25 factories by end of 2026.", "growth_source": "https://isembard.com/uk/newsroom/series-a/", "company_url": "https://londonmempool.co.uk/c/isembard" }, { "rank": 85, "id": "hook", "name": "Hook", "sector": "AI", "tier": "up_and_coming", "score": 28, "funding": null, "staff": { "points": 17, "label": "Staff 31 to 46 in a year (+48%, accounts to Jan 2026)", "source": "https://find-and-update.company-information.service.gov.uk/company/12362866/filing-history/MzU0Nzk3MDcyOWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 11, "label": "5 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=hook" }, "growth_signal": "Raised an $11M Series A from Balderton Capital and Lightspeed Venture Partners in Dec 2023 and has around 82 staff.", "growth_source": "https://dealroom.co/companies/hook/", "company_url": "https://londonmempool.co.uk/c/hook" }, { "rank": 86, "id": "arondite", "name": "Arondite", "sector": "Defence", "tier": "up_and_coming", "score": 28, "funding": { "points": 11, "label": "Raised $10M Seed in May 2025", "source": "https://www.arondite.com/newsrooms/arondite-raises-12m-connect-defence-systems-ai" }, "staff": null, "hiring": { "points": 17, "label": "13 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=arondite" }, "growth_signal": "Founded 2023, raised a $10M Index Ventures-led seed in May 2025 and won a multi-million pound MoD contract with 16 Air Assault Brigade in March 2026.", "growth_source": "https://www.arondite.com/newsrooms/arondite-awarded-multi-million-pound-contract-to-partner-with-british-armys-global-response-force-on-next-generation-mission-orchestration", "company_url": "https://londonmempool.co.uk/c/arondite" }, { "rank": 87, "id": "beyondmath", "name": "BeyondMath", "sector": "Deeptech", "tier": "up_and_coming", "score": 28, "funding": { "points": 17, "label": "Raised $10M Seed in Feb 2026", "source": "https://beyondmath.com/news/seed-round-announcement" }, "staff": null, "hiring": { "points": 11, "label": "5 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=beyondmath" }, "growth_signal": "Closed an $18.5M seed round in Feb 2026 with a $10M extension led by Cambridge Innovation Capital alongside Insight Partners, UP.Partners and InMotion Ventures.", "growth_source": "https://beyondmath.com/news/seed-round-announcement", "company_url": "https://londonmempool.co.uk/c/beyondmath" }, { "rank": 88, "id": "second-nature", "name": "Second Nature", "sector": "Health", "tier": "up_and_coming", "score": 28, "funding": null, "staff": { "points": 16, "label": "Staff 83 to 120 in a year (+45%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/08511152/filing-history/MzU0ODIyMDAwNWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 12, "label": "6 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=second-nature" }, "growth_signal": "Has supported over 300,000 NHS referrals and is used by Vitality Insurance for its clients.", "growth_source": "https://www.secondnature.io/", "company_url": "https://londonmempool.co.uk/c/second-nature" }, { "rank": 89, "id": "cybaverse", "name": "CybaVerse", "sector": "Other", "tier": "up_and_coming", "score": 28, "funding": { "points": 12, "label": "Raised £5M Series A in Oct 2025", "source": "https://www.vestbee.com/insights/articles/top-european-funding-rounds-closed-in-october-2025" }, "staff": { "points": 16, "label": "Staff 22 to 32 in a year (+45%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/11537535/filing-history/MzU0NTY5NjM4MWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a £5M Series A in October 2025 co-led by Pembroke VCT and Airbridge Equity Partners, with Haatch participating.", "growth_source": "https://tech.eu/2025/10/15/cybaverse-secures-ps5m-to-fuel-growth-and-accelerate-innovation/", "company_url": "https://londonmempool.co.uk/c/cybaverse" }, { "rank": 90, "id": "polyai", "name": "PolyAI", "sector": "AI", "tier": "fast_growing", "score": 27, "funding": { "points": 27, "label": "Raised $86M Series D in Dec 2025", "source": "https://poly.ai/blog/polyai-raises-86m-to-transform-how-enterprises-talk-to-their-customers" }, "staff": null, "hiring": null, "growth_signal": "Raised an $86M Series D in Dec 2025 led by Georgian, Hedosophia and Khosla; 100+ enterprise customers and 2,000+ live deployments.", "growth_source": "https://poly.ai/blog/polyai-raises-86m-to-transform-how-enterprises-talk-to-their-customers", "company_url": "https://londonmempool.co.uk/c/polyai" }, { "rank": 91, "id": "novatus-global", "name": "Novatus Global", "sector": "Fintech", "tier": "up_and_coming", "score": 27, "funding": null, "staff": { "points": 27, "label": "Staff 34 to 60 in a year (+76%, accounts to Mar 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/11910864/filing-history/MzUxMDk4ODQ5MmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Took a $40M growth investment from Silversmith Capital Partners in September 2024 after revenue more than tripled in the prior year.", "growth_source": "https://fintech.global/2024/09/13/novatus-global-bolsters-regtech-prowess-with-40m-investment/", "company_url": "https://londonmempool.co.uk/c/novatus-global" }, { "rank": 92, "id": "semble", "name": "Semble", "sector": "Health", "tier": "fast_growing", "score": 27, "funding": { "points": 27, "label": "Raised £30M Series C in Jun 2026" }, "staff": null, "hiring": null, "growth_signal": "Raised a £30M Series C led by Revaia with Partech in June 2026 and grew headcount over 50% since December 2024.", "growth_source": "https://partechpartners.com/news/semble-secures-30m-series-c-investment-to-expand-europes-connected-healthcare-platform", "company_url": "https://londonmempool.co.uk/c/semble" }, { "rank": 93, "id": "airspeed", "name": "Airspeed", "sector": "AI", "tier": "fast_growing", "score": 27, "funding": { "points": 23, "label": "Raised $20M Series A in Jun 2026", "source": "https://www.goairspeed.com/blog/the-story-behind-airspeeds-20m-series-a" }, "staff": null, "hiring": { "points": 4, "label": "1 open London role now", "source": "https://londonmempool.co.uk/jobs?company=airspeed" }, "growth_signal": "Ex-DeepMind founders raised a $20M Series A led by DN Capital in Jun 2026 after growing revenue 4x year on year and doubling the team.", "growth_source": "https://www.goairspeed.com/blog/the-story-behind-airspeeds-20m-series-a", "company_url": "https://londonmempool.co.uk/c/airspeed" }, { "rank": 94, "id": "duel", "name": "Duel", "sector": "Other", "tier": "fast_growing", "score": 27, "funding": { "points": 16, "label": "Raised $16M Series A in Sep 2025", "source": "https://startupsmagazine.co.uk/article-brand-advocacy-platform-duel-raises-16m-series" }, "staff": { "points": 11, "label": "Staff 22 to 29 in a year (+32%, accounts to Jan 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/08318527/filing-history/MzQ4NzA1NDcwMWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Ranked #95 on the Sifted 100 UK and Ireland 2026 with a 103% two-year revenue CAGR to FYE Dec 2024 and 56 employees.", "growth_source": "https://email.sifted.eu/hubfs/Sifted%20100%20UK%20%26%20Ireland%202026%20Report.pdf", "company_url": "https://londonmempool.co.uk/c/duel" }, { "rank": 95, "id": "electric-twin", "name": "Electric Twin", "sector": "AI", "tier": "up_and_coming", "score": 27, "funding": { "points": 17, "label": "Raised $10M in Feb 2026", "source": "https://electrictwin.com/blog/electric-twin-announcing-14m-in-funding" }, "staff": null, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=electric-twin" }, "growth_signal": "Raised a $10M round led by Atomico with LocalGlobe, Mercuri and Marc Andreessen in February 2026, bringing total funding to $14M.", "growth_source": "https://electrictwin.com/blog/electric-twin-announcing-14m-in-funding", "company_url": "https://londonmempool.co.uk/c/electric-twin" }, { "rank": 96, "id": "fnality-international", "name": "Fnality International", "sector": "Fintech", "tier": "fast_growing", "score": 26, "funding": { "points": 26, "label": "Raised $136M Series C in Sep 2025", "source": "https://fnality.com/news/fnality-raises-136-million-in-series-c-funding" }, "staff": null, "hiring": null, "growth_signal": "Raised a $136M Series C in Sep 2025 backed by Bank of America, Citi, Temasek and others; BNP Paribas joined its sterling payment system.", "growth_source": "https://fnality.com/news", "company_url": "https://londonmempool.co.uk/c/fnality-international" }, { "rank": 97, "id": "lemfi", "name": "LemFi", "sector": "Fintech", "tier": "fast_growing", "score": 26, "funding": { "points": 12, "label": "Raised $53M Series B in Jan 2025", "source": "https://techcrunch.com/2025/01/13/lemfi-moves-remittances-further-into-asia-and-europe-with-53m-in-new-funding/" }, "staff": null, "hiring": { "points": 14, "label": "8 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=lemfi" }, "growth_signal": "Made London its global HQ in Apr 2026 with a £100m five-year UK investment pledge; UK team grew 60% since early 2025 and 2m+ customers.", "growth_source": "https://businesscloud.co.uk/news/fintech-lemfi-to-invest-100m-in-uk-as-it-opens-global-hq/", "company_url": "https://londonmempool.co.uk/c/lemfi" }, { "rank": 98, "id": "mea", "name": "mea", "sector": "AI", "tier": "fast_growing", "score": 26, "funding": { "points": 26, "label": "Raised €42M Growth in Feb 2026", "source": "https://funding.tech.eu/deals/BED3E2B5-4401-465E-AC25-4AE935C536EC" }, "staff": null, "hiring": null, "growth_signal": "Previously bootstrapped and profitable, mea raised a €42M round from SEP in February 2026, its only recorded funding round.", "growth_source": "https://funding.tech.eu/deals/BED3E2B5-4401-465E-AC25-4AE935C536EC", "company_url": "https://londonmempool.co.uk/c/mea" }, { "rank": 99, "id": "solveai", "name": "SolveAI", "sector": "AI", "tier": "fast_growing", "score": 26, "funding": { "points": 26, "label": "Raised $45M Series A in Feb 2026", "source": "https://www.vestbee.com/insights/articles/solve-ai-launches-with-50-m" }, "staff": null, "hiring": null, "growth_signal": "Launched in February 2026 with $50M raised, a $45M Series A led by GV plus a $5M pre-seed led by Accel.", "growth_source": "https://www.vestbee.com/insights/articles/solve-ai-launches-with-50-m", "company_url": "https://londonmempool.co.uk/c/solveai" }, { "rank": 100, "id": "rivan", "name": "Rivan", "sector": "Climate", "tier": "fast_growing", "score": 26, "funding": { "points": 26, "label": "Raised $34M in Apr 2026", "source": "https://techfundingnews.com/rivan-34m-synthetic-gas-europe-energy-security/" }, "staff": null, "hiring": null, "growth_signal": "Raised $34M led by IQ Capital in April 2026, bringing total funding to $46M, with a Wales and West Utilities partnership on a grid-connected synthetic gas project.", "growth_source": "https://techfundingnews.com/rivan-34m-synthetic-gas-europe-energy-security/", "company_url": "https://londonmempool.co.uk/c/rivan" }, { "rank": 101, "id": "alchemab-therapeutics", "name": "Alchemab Therapeutics", "sector": "Health", "tier": "fast_growing", "score": 26, "funding": { "points": 26, "label": "Raised £25M Series A in Jul 2026", "source": "https://european-biotechnology.com/?p=21087" }, "staff": null, "hiring": null, "growth_signal": "Added £25M from the British Business Bank in July 2026, taking its Series A to £109M.", "growth_source": "https://european-biotechnology.com/?p=21087", "company_url": "https://londonmempool.co.uk/c/alchemab-therapeutics" }, { "rank": 102, "id": "1001", "name": "1001", "sector": "AI", "tier": "fast_growing", "score": 26, "funding": { "points": 26, "label": "Raised $30M Series A in Jun 2026", "source": "https://www.wamda.com/en/2026/06/1001-closes-30-million-series-a-build-sovereign-ai-gcc" }, "staff": null, "hiring": null, "growth_signal": "Raised a $30M Series A led by Lux Capital in Jun 2026, eight months after a $9M seed, and lists most open roles in London.", "growth_source": "https://www.wamda.com/en/2026/06/1001-closes-30-million-series-a-build-sovereign-ai-gcc", "company_url": "https://londonmempool.co.uk/c/1001" }, { "rank": 103, "id": "claimsorted", "name": "ClaimSorted", "sector": "Fintech", "tier": "up_and_coming", "score": 26, "funding": { "points": 16, "label": "Raised $13.3M in Oct 2025", "source": "https://www.ycombinator.com/companies/claimsorted" }, "staff": null, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=claimsorted" }, "growth_signal": "YC Summer 2024 company that raised $13.3M per an Oct 2025 Forbes report and is backed by Atomico and Eurazeo.", "growth_source": "https://www.ycombinator.com/companies/claimsorted", "company_url": "https://londonmempool.co.uk/c/claimsorted" }, { "rank": 104, "id": "automata", "name": "Automata", "sector": "Deeptech", "tier": "fast_growing", "score": 25, "funding": { "points": 25, "label": "Raised $45M Series C in Jan 2026", "source": "https://www.automata.tech/company-news/automata-raises-45m-series-c-funding" }, "staff": null, "hiring": null, "growth_signal": "Raised a $45M Series C led by Dimension with Danaher Ventures, Octopus Ventures and Entrepreneurs First in January 2026.", "growth_source": "https://www.automata.tech/company-news/automata-raises-45m-series-c-funding", "company_url": "https://londonmempool.co.uk/c/automata" }, { "rank": 105, "id": "fyld", "name": "FYLD", "sector": "AI", "tier": "fast_growing", "score": 25, "funding": { "points": 25, "label": "Raised $41M Series B in Feb 2026", "source": "https://siliconangle.com/2026/02/17/ai-field-operations-startup-fyld-raises-41m-help-build-large-scale-infrastructure/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $41M Series B led by Energy Impact Partners in February 2026 and ranked 22nd on the Deloitte UK Fast 50 2025 with 1,326% growth.", "growth_source": "https://siliconangle.com/2026/02/17/ai-field-operations-startup-fyld-raises-41m-help-build-large-scale-infrastructure/", "company_url": "https://londonmempool.co.uk/c/fyld" }, { "rank": 106, "id": "phasecraft", "name": "Phasecraft", "sector": "Quantum", "tier": "fast_growing", "score": 25, "funding": { "points": 19, "label": "Raised $34M Series B in Sep 2025", "source": "https://www.newelectronics.co.uk/content/news/phasecraft-raises-34m-bringing-quantum-computing-closer-to-solving-real-world-problems" }, "staff": { "points": 6, "label": "Staff 31 to 36 in a year (+16%, accounts to Feb 2026)", "source": "https://find-and-update.company-information.service.gov.uk/company/11211343/filing-history/MzUzMDA1Nzk0MmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $34M Series B in Sep 2025, then won a US ARPA-E award for quantum catalyst discovery in Jun 2026.", "growth_source": "https://www.hpcwire.com/off-the-wire/phasecraft-tapped-by-arpa-e-to-develop-and-apply-quantum-algorithms-for-catalyst-discovery/", "company_url": "https://londonmempool.co.uk/c/phasecraft" }, { "rank": 107, "id": "origin", "name": "Origin", "sector": "AI", "tier": "fast_growing", "score": 25, "funding": { "points": 25, "label": "Raised $30M Series A in Mar 2026", "source": "https://thenextweb.com/news/origin-30m-series-a-plus" }, "staff": null, "hiring": null, "growth_signal": "Raised a $30M Series A+ led by Notion Capital in March 2026, over $50M raised within a year, with customers including Pfizer, Comcast and BP.", "growth_source": "https://thenextweb.com/news/origin-30m-series-a-plus", "company_url": "https://londonmempool.co.uk/c/origin" }, { "rank": 108, "id": "mindgard", "name": "Mindgard", "sector": "AI", "tier": "fast_growing", "score": 25, "funding": { "points": 25, "label": "Raised £22M Series A in Aug 2026", "source": "https://businesscloud.co.uk/news/lancaster-uni-spinout-mindgard-raises-another-22m/" }, "staff": null, "hiring": null, "growth_signal": "Raised a £22M Series A led by Album VC in Aug 2026 to expand in the US; offices in London and Boston.", "growth_source": "https://businesscloud.co.uk/news/lancaster-uni-spinout-mindgard-raises-another-22m/", "company_url": "https://londonmempool.co.uk/c/mindgard" }, { "rank": 109, "id": "greyparrot", "name": "Greyparrot", "sector": "Climate", "tier": "fast_growing", "score": 25, "funding": { "points": 25, "label": "Raised $27M Series B in Jul 2026", "source": "https://www.greyparrot.ai/series-b" }, "staff": null, "hiring": null, "growth_signal": "Raised a $27M Series B in Jul 2026; customers include WM, Veolia, Biffa and FCC, with over one trillion waste objects identified.", "growth_source": "https://www.greyparrot.ai/series-b", "company_url": "https://londonmempool.co.uk/c/greyparrot" }, { "rank": 110, "id": "fifth-dimension", "name": "Fifth Dimension", "sector": "AI", "tier": "fast_growing", "score": 25, "funding": { "points": 25, "label": "Raised $26M Series A in May 2026", "source": "https://www.fifthdimensionai.com/news/fifth-dimension-raises-series-a/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $26M Series A led by HV Capital in May 2026, taking total funding past $40M, and opened a Singapore office alongside London and New York.", "growth_source": "https://www.fifthdimensionai.com/news/fifth-dimension-raises-series-a/", "company_url": "https://londonmempool.co.uk/c/fifth-dimension" }, { "rank": 111, "id": "seat-unique", "name": "Seat Unique", "sector": "Other", "tier": "fast_growing", "score": 25, "funding": { "points": 25, "label": "Raised £20M in Jun 2026" }, "staff": null, "hiring": null, "growth_signal": "Raised £20M of equity led by Nickleby Capital in June 2026 and says it is on track for £175M in sales this year.", "growth_source": "https://www.seatunique.com/blog/seat-unique-raises-20m/", "company_url": "https://londonmempool.co.uk/c/seat-unique" }, { "rank": 112, "id": "givestar", "name": "givestar", "sector": "Other", "tier": "up_and_coming", "score": 25, "funding": { "points": 20, "label": "Raised $12M Growth in Sep 2026", "source": "https://endurance.biz/2026/industry-news/us12m-in-funding-for-charity-tech-firm-givestar/" }, "staff": { "points": 5, "label": "Staff 20 to 23 in a year (+15%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/11323235/filing-history/MzU0ODU3MjE0NWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised $12M led by Mercia Ventures with Love Ventures, with about 800,000 user accounts, more than $70M raised for over 4,000 charities and active fundraisers up 225% this year.", "growth_source": "https://endurance.biz/2026/industry-news/us12m-in-funding-for-charity-tech-firm-givestar/", "company_url": "https://londonmempool.co.uk/c/givestar" }, { "rank": 113, "id": "sokin", "name": "Sokin", "sector": "Fintech", "tier": "fast_growing", "score": 24, "funding": { "points": 24, "label": "Raised $50M Series B in Dec 2025", "source": "https://www.businesswire.com/news/home/20251201036084/en/Sokin-Raises-$50M-Series-B-Following-100-Year-on-Year-Growth" }, "staff": null, "hiring": null, "growth_signal": "Raised a $50M Series B led by Prysm Capital in Dec 2025 at a $300M valuation, after 100% year-on-year revenue growth.", "growth_source": "https://www.sokin.com/news/sokin-raises-50m-series-b-following-100-year-on-year-growth", "company_url": "https://londonmempool.co.uk/c/sokin" }, { "rank": 114, "id": "axle-energy", "name": "Axle Energy", "sector": "Climate", "tier": "fast_growing", "score": 24, "funding": { "points": 24, "label": "Raised $25M Series A in Jul 2026", "source": "https://www.axle.energy/blog/announcing-our-series-a" }, "staff": null, "hiring": null, "growth_signal": "Raised a $25M Series A led by Energize Capital in Jul 2026, with Accel, Picus Capital and Eka participating.", "growth_source": "https://www.axle.energy/blog/announcing-our-series-a", "company_url": "https://londonmempool.co.uk/c/axle-energy" }, { "rank": 115, "id": "foresight", "name": "Foresight", "sector": "AI", "tier": "fast_growing", "score": 24, "funding": { "points": 24, "label": "Raised $25M Series A in Mar 2026", "source": "https://pulse2.com/foresight-25-million-raised-for-ai-infrastructure-project-delivery-platform-expansion" }, "staff": null, "hiring": null, "growth_signal": "Raised a $25M Series A led by Macquarie Capital Venture Capital in March 2026, with offices in London, New York and Tel Aviv.", "growth_source": "https://pulse2.com/foresight-25-million-raised-for-ai-infrastructure-project-delivery-platform-expansion", "company_url": "https://londonmempool.co.uk/c/foresight" }, { "rank": 116, "id": "mantic", "name": "Mantic", "sector": "AI", "tier": "fast_growing", "score": 24, "funding": { "points": 24, "label": "Raised $25M Seed in Sep 2026", "source": "https://blog.mantic.com/p/mantic-raises-25mn-to-scale-superhuman" }, "staff": null, "hiring": null, "growth_signal": "Raised a $25M seed led by Radical Ventures in Sep 2026, after a $4M pre-seed led by Episode 1 in Aug 2025.", "growth_source": "https://tech.eu/2025/08/27/mantic-which-claims-to-forecast-world-events-emerges-from-stealth/", "company_url": "https://londonmempool.co.uk/c/mantic" }, { "rank": 117, "id": "agon", "name": "Agon", "sector": "Defence", "tier": "fast_growing", "score": 24, "funding": { "points": 24, "label": "Raised $23M Seed in Jul 2026", "source": "https://tech.eu/2026/07/29/british-defence-startup-agon-creating-virtual-battlefields-launches-raising-30m/" }, "staff": null, "hiring": null, "growth_signal": "Launched in July 2026 with $30M raised ($7M pre-seed from Lakestar and others plus a $23M seed from XYZ, Lux and Northzone), with offices in London and Berlin.", "growth_source": "https://thenextweb.com/news/agon-30m-seed-european-defence-ai-training-infrastructure", "company_url": "https://londonmempool.co.uk/c/agon" }, { "rank": 118, "id": "ethos", "name": "Ethos", "sector": "AI", "tier": "fast_growing", "score": 24, "funding": { "points": 24, "label": "Raised $22.8M Series A in May 2026", "source": "https://tech.eu/2026/05/06/ai-consulting-startup-co-founded-by-deepmind-scientist-lands-22-75m-series-a/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $22.75M Series A led by Andreessen Horowitz in May 2026, with more than 5,000 candidates signing up each week.", "growth_source": "https://tech.eu/2026/05/06/ai-consulting-startup-co-founded-by-deepmind-scientist-lands-22-75m-series-a/", "company_url": "https://londonmempool.co.uk/c/ethos" }, { "rank": 119, "id": "gizmo", "name": "Gizmo", "sector": "AI", "tier": "fast_growing", "score": 24, "funding": { "points": 24, "label": "Raised $22M Series A in Apr 2026", "source": "https://tech.eu/2026/04/15/gizmo-secures-22m-series-a-to-advance-ai-powered-education/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $22M Series A led by Shine Capital in April 2026 and has more than 13 million learners in over 120 countries.", "growth_source": "https://tech.eu/2026/04/15/gizmo-secures-22m-series-a-to-advance-ai-powered-education/", "company_url": "https://londonmempool.co.uk/c/gizmo" }, { "rank": 120, "id": "prevalent-ai", "name": "Prevalent AI", "sector": "AI", "tier": "fast_growing", "score": 24, "funding": { "points": 24, "label": "Raised $22M Growth in Aug 2026", "source": "https://siliconangle.com/2026/08/19/prevalent-ai-raises-first-outside-capital-in-nine-years-with-22m-round/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $22M growth round led by Integrity Growth Partners in August 2026 after ARR more than doubled in 12 months.", "growth_source": "https://siliconangle.com/2026/08/19/prevalent-ai-raises-first-outside-capital-in-nine-years-with-22m-round/", "company_url": "https://londonmempool.co.uk/c/prevalent-ai" }, { "rank": 121, "id": "forest", "name": "Forest", "sector": "Climate", "tier": "fast_growing", "score": 24, "funding": { "points": 24, "label": "Raised £17M equity Series B in Apr 2026, debt part not scored", "source": "https://forest.bike/blog/forest-bikes-series-b-funding" }, "staff": null, "hiring": null, "growth_signal": "Added £17M of fresh equity to its £40M Series B in April 2026 and reports 100% year-on-year user growth.", "growth_source": "https://forest.bike/blog/forest-bikes-series-b-funding", "company_url": "https://londonmempool.co.uk/c/forest" }, { "rank": 122, "id": "hypervision-surgical", "name": "Hypervision Surgical", "sector": "Health", "tier": "fast_growing", "score": 24, "funding": { "points": 24, "label": "Raised £17M Series A in Apr 2026", "source": "https://hypervisionsurgical.com/blog/2026-04_series-a/" }, "staff": null, "hiring": null, "growth_signal": "Closed an oversubscribed £17M Series A led by Heal Capital with Angelini Ventures and IP Group in April 2026.", "growth_source": "https://hypervisionsurgical.com/blog/2026-04_series-a/", "company_url": "https://londonmempool.co.uk/c/hypervision-surgical" }, { "rank": 123, "id": "skyral", "name": "Skyral", "sector": "Defence", "tier": "fast_growing", "score": 24, "funding": { "points": 14, "label": "Raised $20M Series A in Jun 2025", "source": "https://www.skyral.com/2025/06/16/skyral-secures-usd-20-million-series-a-funding-to-accelerate-modelling-simulation-technology/" }, "staff": null, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=skyral" }, "growth_signal": "Raised a $20M Series A led by NOIA Capital in June 2025, within the last 24 months.", "growth_source": "https://www.skyral.com/2025/06/16/skyral-secures-usd-20-million-series-a-funding-to-accelerate-modelling-simulation-technology/", "company_url": "https://londonmempool.co.uk/c/skyral" }, { "rank": 124, "id": "slamcore", "name": "Slamcore", "sector": "AI", "tier": "up_and_coming", "score": 24, "funding": { "points": 21, "label": "Raised $14M in May 2026", "source": "https://www.slamcore.com/press-release/14m-to-scale-visual-ai-across-intralogistics/" }, "staff": { "points": 3, "label": "Staff 26 to 28 in a year (+8%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/09999502/filing-history/MzU0MjE1MzczMGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised $14M in May 2026 from ROKStar Ventures (Rockwell Automation), Toyota Ventures and others after deploying across 30+ facilities in under two years.", "growth_source": "https://www.slamcore.com/press-release/14m-to-scale-visual-ai-across-intralogistics/", "company_url": "https://londonmempool.co.uk/c/slamcore" }, { "rank": 125, "id": "abatable", "name": "Abatable", "sector": "Climate", "tier": "up_and_coming", "score": 24, "funding": null, "staff": { "points": 24, "label": "Staff 19 to 32 in a year (+68%, accounts to Dec 2024)", "source": "https://find-and-update.company-information.service.gov.uk/company/13366032/filing-history/MzQ3MzA4Mzg4MGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised $13.5M from Azora Capital in April 2023 to acquire Ecosphere+, and reports 55M tonnes of credits transacted for 200+ companies.", "growth_source": "https://abatable.com/blog/announcing-our-latest-capital-raise-and-ecosphere-plus-acquisition", "company_url": "https://londonmempool.co.uk/c/abatable" }, { "rank": 126, "id": "condukt", "name": "Condukt", "sector": "Fintech", "tier": "up_and_coming", "score": 24, "funding": { "points": 15, "label": "Raised $10M Seed in Nov 2025", "source": "https://tech.eu/2025/11/18/condukt-emerges-from-stealth-with-10m-to-power-next-generation-compliance/" }, "staff": null, "hiring": { "points": 9, "label": "3 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=condukt" }, "growth_signal": "Emerged from stealth in November 2025 with a $10M seed led by Lightspeed and MMC, already serving fintechs including Wise, Tide and Mollie.", "growth_source": "https://tech.eu/2025/11/18/condukt-emerges-from-stealth-with-10m-to-power-next-generation-compliance/", "company_url": "https://londonmempool.co.uk/c/condukt" }, { "rank": 127, "id": "bitfount", "name": "Bitfount", "sector": "AI", "tier": "up_and_coming", "score": 24, "funding": { "points": 11, "label": "Raised $8M Series A in Jul 2025", "source": "https://tech.eu/2025/07/23/bitfount-raises-8m-to-unlock-clinical-research-data-with-federated-ai/" }, "staff": { "points": 13, "label": "Staff 16 to 22 in a year (+38%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/12390975/filing-history/MzUwNTg1OTgyNmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised an $8M Series A in July 2025 from Parkwalk Advisors, Ahren Innovation Capital, Pace Ventures and others, led by a former Apple executive co-founder.", "growth_source": "https://tech.eu/2025/07/23/bitfount-raises-8m-to-unlock-clinical-research-data-with-federated-ai/", "company_url": "https://londonmempool.co.uk/c/bitfount" }, { "rank": 128, "id": "xelix", "name": "Xelix", "sector": "Fintech", "tier": "fast_growing", "score": 23, "funding": { "points": 23, "label": "Raised $160M Series B in Jul 2025", "source": "https://fintech.global/?p=208361" }, "staff": null, "hiring": null, "growth_signal": "Raised a $160M Series B led by Insight Partners in July 2025.", "growth_source": "https://fintech.global/?p=208361", "company_url": "https://londonmempool.co.uk/c/xelix" }, { "rank": 129, "id": "charm-therapeutics", "name": "CHARM Therapeutics", "sector": "Health", "tier": "fast_growing", "score": 23, "funding": { "points": 23, "label": "Raised $80M Series B in Sep 2025", "source": "https://uk.finance.yahoo.com/news/charm-therapeutics-raises-80-million-110000828.html" }, "staff": null, "hiring": null, "growth_signal": "Raised an $80M Series B led by NEA and SR One in September 2025, bringing total funding to over $150M.", "growth_source": "https://uk.finance.yahoo.com/news/charm-therapeutics-raises-80-million-110000828.html", "company_url": "https://londonmempool.co.uk/c/charm-therapeutics" }, { "rank": 130, "id": "voy", "name": "Voy", "sector": "Health", "tier": "up_and_coming", "score": 23, "funding": null, "staff": null, "hiring": { "points": 23, "label": "38 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=voy" }, "growth_signal": "Supports over 1 million members across the UK, Germany and Brazil, with 201-500 staff and 28% headcount growth over 12 months.", "growth_source": "https://app.welcometothejungle.com/jobs/HOUVBVMh/company", "company_url": "https://londonmempool.co.uk/c/voy" }, { "rank": 131, "id": "lemonedge", "name": "LemonEdge", "sector": "Fintech", "tier": "fast_growing", "score": 23, "funding": { "points": 23, "label": "Raised $21M Series A in Jul 2026", "source": "https://fintech.global/2026/07/29/lemonedge-lands-21m-series-a-to-modernise-private-markets/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $21M Series A in Jul 2026 led by Blackstone Innovations Investments with BNY and Sidekick Partners.", "growth_source": "https://fintech.global/2026/07/29/lemonedge-lands-21m-series-a-to-modernise-private-markets/", "company_url": "https://londonmempool.co.uk/c/lemonedge" }, { "rank": 132, "id": "cloudnc", "name": "CloudNC", "sector": "Deeptech", "tier": "fast_growing", "score": 23, "funding": { "points": 23, "label": "Raised $20M in Sep 2026", "source": "https://vestbee.com/insights/articles/cloud-nc-raises-20-m" }, "staff": null, "hiring": null, "growth_signal": "Raised $20M led by Nimble Ventures with Lockheed Martin's LM Ventures in September 2026; CAM Assist is used by more than 1,000 machine shops.", "growth_source": "https://tech.eu/2026/09/09/cloudnc-lands-20m-to-expand-its-ai-software-for-precision-manufacturing/", "company_url": "https://londonmempool.co.uk/c/cloudnc" }, { "rank": 133, "id": "supercritical-solutions", "name": "Supercritical Solutions", "sector": "Climate", "tier": "up_and_coming", "score": 23, "funding": { "points": 11, "label": "Raised £14M Series A in Mar 2025", "source": "https://tech.eu/2025/03/11/supercritical-raises-14m-series-a-for-affordable-green-hydrogen-led-by-shell-and-toyota-ventures/" }, "staff": { "points": 12, "label": "Staff 15 to 20 in a year (+33%, accounts to Jun 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/12702979/filing-history/MzQ4NTIwMjU3MWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Founded 2020, raised a £14M Series A co-led by Shell Ventures and Toyota Ventures in March 2025, with Lowercarbon Capital following on.", "growth_source": "https://tech.eu/2025/03/11/supercritical-raises-14m-series-a-for-affordable-green-hydrogen-led-by-shell-and-toyota-ventures/", "company_url": "https://londonmempool.co.uk/c/supercritical-solutions" }, { "rank": 134, "id": "ionate", "name": "IONATE", "sector": "Climate", "tier": "up_and_coming", "score": 23, "funding": { "points": 10, "label": "Raised €15.9M Series A in Feb 2025" }, "staff": { "points": 13, "label": "Staff 16 to 22 in a year (+38%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/SC640134/filing-history/MzUzNjY1MzY4NmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a €15.9M Series A in February 2025 from investors including AlbionVC, IQ Capital, IQT and Santander CIB.", "growth_source": "https://www.vestbee.com/insights/articles/top-european-funding-rounds-closed-in-february-2025", "company_url": "https://londonmempool.co.uk/c/ionate" }, { "rank": 135, "id": "volteras", "name": "Volteras", "sector": "Climate", "tier": "up_and_coming", "score": 23, "funding": { "points": 12, "label": "Raised $11.1M Series A in Jun 2025", "source": "https://kurrant.com/kurrantly-news/volteras-secures-11-1-million-to-expand-energy-and-mobility-data-platform/" }, "staff": { "points": 11, "label": "Staff 10 to 13 in a year (+30%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/12550040/filing-history/MzUyNjA2MTM5MmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised an $11.1M Series A led by Union Square Ventures in 2025, with Wex and Edenred joining.", "growth_source": "https://kurrant.com/kurrantly-news/volteras-secures-11-1-million-to-expand-energy-and-mobility-data-platform/", "company_url": "https://londonmempool.co.uk/c/volteras" }, { "rank": 136, "id": "cur8", "name": "CUR8", "sector": "Climate", "tier": "up_and_coming", "score": 23, "funding": null, "staff": { "points": 19, "label": "Staff 11 to 17 in a year (+55%, accounts to Apr 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/13331991/filing-history/MzUwMDkyNjk4NWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 4, "label": "1 open London role now", "source": "https://londonmempool.co.uk/jobs?company=cur8" }, "growth_signal": "Co-founded by Marta Krupinska and Gabrielle Walker, it raised £5.3M from GV and Capital T in 2023 and a 2025 seed round led by Airbus Ventures.", "growth_source": "https://decarbonfuse.com/posts/cur8-raises-seed-round-led-by-airbus-ventures", "company_url": "https://londonmempool.co.uk/c/cur8" }, { "rank": 137, "id": "risk-ledger", "name": "Risk Ledger", "sector": "Other", "tier": "fast_growing", "score": 23, "funding": null, "staff": { "points": 13, "label": "Staff 39 to 53 in a year (+36%, accounts to Jun 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/10831970/filing-history/MzUxMzY0OTY5OWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=risk-ledger" }, "growth_signal": "Raised a $32M Series B led by Axiom Equity in July 2026.", "growth_source": "https://itbrief.co.uk/story/risk-ledger-raises-usd-32-million-to-expand-in-us", "company_url": "https://londonmempool.co.uk/c/risk-ledger" }, { "rank": 138, "id": "tessl", "name": "Tessl", "sector": "AI", "tier": "fast_growing", "score": 22, "funding": { "points": 11, "label": "Raised $100M Series A in Nov 2024", "source": "https://siliconangle.com/2024/11/14/ai-powered-developer-tooling-startup-tessl-raises-125m/" }, "staff": null, "hiring": { "points": 11, "label": "5 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=tessl" }, "growth_signal": "Raised $125M across seed and an Index-led Series A at a $750M valuation in Nov 2024.", "growth_source": "https://siliconangle.com/2024/11/14/ai-powered-developer-tooling-startup-tessl-raises-125m/", "company_url": "https://londonmempool.co.uk/c/tessl" }, { "rank": 139, "id": "connected-kerb", "name": "Connected Kerb", "sector": "Climate", "tier": "fast_growing", "score": 22, "funding": { "points": 13, "label": "Raised £65M in Jan 2025", "source": "https://www.connectedkerb.com/stories-reports-and-events/connected-kerb-secures-65m-backing-from-the-national-wealth-fund-and-aviva-investors-to-accelerate-its-uks-ev-public-charging-network-expansion/" }, "staff": null, "hiring": { "points": 9, "label": "3 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=connected-kerb" }, "growth_signal": "Raised £65M of ordinary equity from the National Wealth Fund (£55M) and Aviva Investors (£10M) in January 2025.", "growth_source": "https://www.connectedkerb.com/stories-reports-and-events/connected-kerb-secures-65m-backing-from-the-national-wealth-fund-and-aviva-investors-to-accelerate-its-uks-ev-public-charging-network-expansion/", "company_url": "https://londonmempool.co.uk/c/connected-kerb" }, { "rank": 140, "id": "shop-circle", "name": "Shop Circle", "sector": "Other", "tier": "fast_growing", "score": 22, "funding": { "points": 22, "label": "Raised $60M Series B in Sep 2025" }, "staff": null, "hiring": null, "growth_signal": "Series B extended to $100M in September 2025, including $60M of equity led by Nextalia.", "growth_source": "https://siliconcanals.com/shop-circle-extends-its-series-b-round-to-100m/", "company_url": "https://londonmempool.co.uk/c/shop-circle" }, { "rank": 141, "id": "nivoda", "name": "Nivoda", "sector": "Other", "tier": "fast_growing", "score": 22, "funding": { "points": 10, "label": "Raised $51M Series C in Nov 2024", "source": "https://www.nationaljeweler.com/articles/13444-nivoda-secures-additional-funding" }, "staff": null, "hiring": { "points": 12, "label": "6 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=nivoda" }, "growth_signal": "Raised a $51M Series C led by Northzone in Nov 2024, after a $30M Series B led by Avenir Growth Capital earlier in 2024.", "growth_source": "https://www.nationaljeweler.com/articles/13444-nivoda-secures-additional-funding", "company_url": "https://londonmempool.co.uk/c/nivoda" }, { "rank": 142, "id": "surrealdb", "name": "SurrealDB", "sector": "AI", "tier": "fast_growing", "score": 22, "funding": { "points": 22, "label": "Raised $38M Series A in Nov 2025", "source": "https://surrealdb.com/about" }, "staff": null, "hiring": null, "growth_signal": "Raised a $38M Series A in Nov 2025, taking total funding to $44M, per the company.", "growth_source": "https://surrealdb.com/about", "company_url": "https://londonmempool.co.uk/c/surrealdb" }, { "rank": 143, "id": "bound", "name": "Bound", "sector": "Fintech", "tier": "fast_growing", "score": 22, "funding": { "points": 22, "label": "Raised $24.5M Series A in Feb 2026", "source": "https://fintech.global/2026/02/05/bound-raises-24-5m-series-a-to-automate-fx-hedging/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $24.5M Series A led by AlbionVC in Feb 2026 after trading nearly $2B of FX in 2025.", "growth_source": "https://tech.eu/2026/02/05/bound-secures-245m-series-a-to-expand-fx-hedging-tools", "company_url": "https://londonmempool.co.uk/c/bound" }, { "rank": 144, "id": "tracebit", "name": "Tracebit", "sector": "Other", "tier": "fast_growing", "score": 22, "funding": { "points": 22, "label": "Raised $20M Series A in Mar 2026", "source": "https://tracebit.com/blog/series-a" }, "staff": null, "hiring": null, "growth_signal": "Raised a $20M Series A led by FirstMark with Accel in 2026 and grew from 5 to 26 people in 18 months.", "growth_source": "https://jobs.ashbyhq.com/tracebit/2de3cc9e-4c4c-4efd-b1b0-a8ededc1814e", "company_url": "https://londonmempool.co.uk/c/tracebit" }, { "rank": 145, "id": "skin-analytics", "name": "Skin Analytics", "sector": "AI", "tier": "fast_growing", "score": 22, "funding": { "points": 12, "label": "Raised £15M Series B in Apr 2025", "source": "https://htn.co.uk/2025/04/23/british-healthtech-company-skin-analytics-secures-15-million-funding" }, "staff": null, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=skin-analytics" }, "growth_signal": "Raised a £15M (about $20M) Series B led by Intrepid Growth Partners in April 2025, with DERM used at 26 NHS sites at the time.", "growth_source": "https://htn.co.uk/2025/04/23/british-healthtech-company-skin-analytics-secures-15-million-funding", "company_url": "https://londonmempool.co.uk/c/skin-analytics" }, { "rank": 146, "id": "adfin", "name": "Adfin", "sector": "Fintech", "tier": "fast_growing", "score": 22, "funding": { "points": 22, "label": "Raised $18M Series A in May 2026", "source": "https://fintech.global/2026/05/12/adfin-raises-18m-series-a-to-automate-business-finance/" }, "staff": null, "hiring": null, "growth_signal": "Raised an $18M Series A led by Index Ventures in May 2026, taking total equity past $30M in under two years.", "growth_source": "https://fintech.global/2026/05/12/adfin-raises-18m-series-a-to-automate-business-finance/", "company_url": "https://londonmempool.co.uk/c/adfin" }, { "rank": 147, "id": "capsa-ai", "name": "Capsa AI", "sector": "AI", "tier": "fast_growing", "score": 22, "funding": { "points": 22, "label": "Raised $18M Series A in Jun 2026", "source": "https://www.capsa.ai/news/announcing-our-18m-series-a" }, "staff": null, "hiring": null, "growth_signal": "Reported 14x year on year ARR growth and 100% customer renewal before raising an $18M Series A in Jun 2026, with offices in London and New York.", "growth_source": "https://businesscloud.co.uk/news/capsa-ai-raises-18m-to-expand-ai-platform-for-private-capital/", "company_url": "https://londonmempool.co.uk/c/capsa-ai" }, { "rank": 148, "id": "outerlimit", "name": "Outerlimit", "sector": "AI", "tier": "up_and_coming", "score": 22, "funding": { "points": 22, "label": "Raised $16M Pre-seed in Oct 2026", "source": "https://itbrief.co.uk/story/outerlimit-raises-usd-16-million-to-secure-ai-agents" }, "staff": null, "hiring": null, "growth_signal": "Emerged from stealth with a $16M pre-seed led by AlbionVC, Evolution Equity Partners and Crane Venture Partners, founded by the team behind Egress.", "growth_source": "https://itbrief.co.uk/story/outerlimit-raises-usd-16-million-to-secure-ai-agents", "company_url": "https://londonmempool.co.uk/c/outerlimit" }, { "rank": 149, "id": "trigger-dev", "name": "Trigger.dev", "sector": "AI", "tier": "up_and_coming", "score": 22, "funding": { "points": 18, "label": "Raised $16M Series A in Dec 2025", "source": "https://trigger.dev/blog/series-a" }, "staff": null, "hiring": { "points": 4, "label": "1 open London role now", "source": "https://londonmempool.co.uk/jobs?company=trigger-dev" }, "growth_signal": "YC W23 company raised a $16M Series A led by Standard Capital in December 2025; used by 30,000+ developers running hundreds of millions of agent runs a month.", "growth_source": "https://trigger.dev/blog/series-a", "company_url": "https://londonmempool.co.uk/c/trigger-dev" }, { "rank": 150, "id": "01health", "name": "01Health", "sector": "Health", "tier": "up_and_coming", "score": 22, "funding": null, "staff": { "points": 13, "label": "Staff 19 to 26 in a year (+37%, accounts to Mar 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/13279603/filing-history/MzQ3NjIwNjYzMmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 9, "label": "3 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=01health" }, "growth_signal": "Raised a $15M (11.2M GBP) Series A led by Gresham House Ventures with Balderton Capital in June 2026, with over 100 staff.", "growth_source": "https://thenextweb.com/news/01health-raises-11-2m-to-turn-its-dental-ai-platform-into-infrastructure-for-specialist-care", "company_url": "https://londonmempool.co.uk/c/01health" }, { "rank": 151, "id": "iwoca", "name": "iwoca", "sector": "Fintech", "tier": "fast_growing", "score": 22, "funding": null, "staff": null, "hiring": { "points": 22, "label": "33 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=iwoca" }, "growth_signal": "Revenue grew from £142.5M in 2023 to £234M in 2024 and £366M in 2025, with £85.1M profit in 2025.", "growth_source": "https://www.iwoca.co.uk/news/revenue-increases-by-over-50-as-iwoca-launches-new-products-to-solve-more-sme-problems", "company_url": "https://londonmempool.co.uk/c/iwoca" }, { "rank": 152, "id": "omnea", "name": "Omnea", "sector": "AI", "tier": "fast_growing", "score": 21, "funding": { "points": 21, "label": "Raised $50M Series B in Sep 2025", "source": "https://www.omnea.co/press-release/series-b-announcement" }, "staff": null, "hiring": null, "growth_signal": "Raised a $50M Series B led by Insight Partners and Khosla in Sep 2025, after revenue grew 5x and headcount more than tripled in a year.", "growth_source": "https://www.omnea.co/press-release/series-b-announcement", "company_url": "https://londonmempool.co.uk/c/omnea" }, { "rank": 153, "id": "hyperlayer", "name": "Hyperlayer", "sector": "Fintech", "tier": "fast_growing", "score": 21, "funding": { "points": 21, "label": "Raised £30M in Oct 2025", "source": "https://www.hyperlayer.com/resources/news/hyperlayer-raises-30m-funding" }, "staff": null, "hiring": null, "growth_signal": "Raised £30M led by CDAM in October 2025 with Mouro Capital, Iona Star, Flintlock Capital and Susquehanna participating.", "growth_source": "https://www.hyperlayer.com/resources/news/hyperlayer-raises-30m-funding", "company_url": "https://londonmempool.co.uk/c/hyperlayer" }, { "rank": 154, "id": "definely", "name": "Definely", "sector": "AI", "tier": "fast_growing", "score": 21, "funding": { "points": 16, "label": "Raised $30M Series B in Jun 2025", "source": "https://www.definely.com/blogs/ai-powered-legal-tech-scale-up-definely-raises-30m-series-b" }, "staff": { "points": 5, "label": "Staff 42 to 48 in a year (+14%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/10721979/filing-history/MzU0ODQ0ODA3M2FkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $30M Series B led by Revaia in June 2025 after ARR nearly tripled in 2024.", "growth_source": "https://www.definely.com/blogs/ai-powered-legal-tech-scale-up-definely-raises-30m-series-b", "company_url": "https://londonmempool.co.uk/c/definely" }, { "rank": 155, "id": "vyntelligence", "name": "Vyntelligence", "sector": "AI", "tier": "fast_growing", "score": 21, "funding": { "points": 21, "label": "Raised $30M Series B in Nov 2025" }, "staff": null, "hiring": null, "growth_signal": "Raised a $30M Series B co-led by Blume Equity and Morgan Stanley Investment Management in November 2025.", "growth_source": "https://vyntelligence.com/blog/short-video-al-platform-vyntelligence-announces-significant-new-investment-to-fuel-us-expansion", "company_url": "https://londonmempool.co.uk/c/vyntelligence" }, { "rank": 156, "id": "ben", "name": "Ben", "sector": "Other", "tier": "fast_growing", "score": 21, "funding": { "points": 21, "label": "Raised $27.5M Series B in Dec 2025", "source": "https://coverager.com/ben-raises-27-5m-in-series-b/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $27.5M Series B led by Mercia Ventures in Dec 2025, with Atomico, Cherry Ventures and QuantumLight participating.", "growth_source": "https://coverager.com/ben-raises-27-5m-in-series-b/", "company_url": "https://londonmempool.co.uk/c/ben" }, { "rank": 157, "id": "tembo", "name": "Tembo", "sector": "Fintech", "tier": "fast_growing", "score": 21, "funding": { "points": 21, "label": "Raised £16M Growth in Feb 2026", "source": "https://fintech.global/2026/02/13/savings-and-mortgage-app-tembo-bags-16m/" }, "staff": null, "hiring": null, "growth_signal": "Raised GBP16M led by Gresham House Ventures in Feb 2026 after its savings arm grew tenfold to GBP3B under administration in 2025.", "growth_source": "https://fintech.global/2026/02/13/savings-and-mortgage-app-tembo-bags-16m/", "company_url": "https://londonmempool.co.uk/c/tembo" }, { "rank": 158, "id": "jaaq", "name": "JAAQ", "sector": "Health", "tier": "up_and_coming", "score": 21, "funding": { "points": 21, "label": "Raised $17M Series A in Mar 2026" }, "staff": null, "hiring": null, "growth_signal": "Raised a $17M Series A in March 2026 from investors including Meridian Health Ventures and Fuel Ventures, with over 1.5M eligible lives covered through enterprise deployments.", "growth_source": "https://thenextweb.com/news/jaaq-17m-series-a-mental-health-platform", "company_url": "https://londonmempool.co.uk/c/jaaq" }, { "rank": 159, "id": "reveng-ai", "name": "RevEng.AI", "sector": "AI", "tier": "up_and_coming", "score": 21, "funding": { "points": 21, "label": "Raised $15M Series A in May 2026", "source": "https://www.vestbee.com/insights/articles/top-european-funding-rounds-closed-in-may-2026" }, "staff": null, "hiring": null, "growth_signal": "Raised a $15M Series A in May 2026 from IQ Capital, Sands Capital Ventures, Episode 1, IQT and Osney Capital.", "growth_source": "https://www.vestbee.com/insights/articles/top-european-funding-rounds-closed-in-may-2026", "company_url": "https://londonmempool.co.uk/c/reveng-ai" }, { "rank": 160, "id": "searchable", "name": "Searchable", "sector": "AI", "tier": "up_and_coming", "score": 21, "funding": { "points": 21, "label": "Raised $14M in May 2026", "source": "https://www.lxahub.com/stories/searchable-raises-14m-to-help-brands-win-visibility-in-ai-search" }, "staff": null, "hiring": null, "growth_signal": "Founded 2025, raised $4M pre-seed then $14M led by Headline at an $85M valuation in May 2026, and bought NY-based Meridian in Sep 2026; 1,000+ brand customers.", "growth_source": "https://pulse2.com/searchable-acquires-meridian/", "company_url": "https://londonmempool.co.uk/c/searchable" }, { "rank": 161, "id": "standardx", "name": "StandardX", "sector": "Deeptech", "tier": "up_and_coming", "score": 21, "funding": { "points": 21, "label": "Raised $13.3M Seed in Sep 2026", "source": "https://www.vcbacked.co/company/standardx" }, "staff": null, "hiring": null, "growth_signal": "Raised a $13.3M seed in September 2026 from Vsquared Ventures, firstminute capital, UKI2S, East X Ventures and Geometry.", "growth_source": "https://www.vcbacked.co/company/standardx", "company_url": "https://londonmempool.co.uk/c/standardx" }, { "rank": 162, "id": "healthtech-1", "name": "Healthtech-1", "sector": "Health", "tier": "up_and_coming", "score": 21, "funding": null, "staff": { "points": 9, "label": "Staff 23 to 29 in a year (+26%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/13524762/filing-history/MzUxMDk2MjYxMGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 12, "label": "6 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=healthtech-1" }, "growth_signal": "YC Summer 2023 company whose patient registration software is used by 26% of GP practices in England, per its job ads.", "growth_source": "https://jobs.ashbyhq.com/Healthtech-1", "company_url": "https://londonmempool.co.uk/c/healthtech-1" }, { "rank": 163, "id": "matnex", "name": "MatNex", "sector": "Deeptech", "tier": "up_and_coming", "score": 21, "funding": null, "staff": { "points": 21, "label": "Staff 17 to 27 in a year (+59%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/13057449/filing-history/MzU0ODQzODQxNGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a £2M seed led by Ada Ventures with HTGF in July 2023; awarded a UKAEA contract (project SHINE) in February 2026 and partnered with Viridien for compute in February 2025.", "growth_source": "https://matnex.ai/news", "company_url": "https://londonmempool.co.uk/c/matnex" }, { "rank": 164, "id": "ki-insurance", "name": "Ki Insurance", "sector": "Fintech", "tier": "up_and_coming", "score": 20, "funding": null, "staff": null, "hiring": { "points": 20, "label": "21 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=ki-insurance" }, "growth_signal": "Launched in 2020 with $500M committed by Fairfax and Blackstone, Ki wrote $1.11B of gross managed premium with $171.4M profit before tax in 2025.", "growth_source": "https://ki-insurance.com/about-us/who-we-are", "company_url": "https://londonmempool.co.uk/c/ki-insurance" }, { "rank": 165, "id": "flagstone", "name": "Flagstone", "sector": "Fintech", "tier": "up_and_coming", "score": 20, "funding": null, "staff": { "points": 10, "label": "Staff 250 to 321 in a year (+28%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/08528880/filing-history/MzU0Nzk5MjgxOWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 10, "label": "4 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=flagstone" }, "growth_signal": "Assets under administration now £20bn+, and 2024 revenue grew 46% to £55M in its second fully profitable year.", "growth_source": "https://ifamagazine.com/cash-platform-flagstone-posts-2024-revs-up-46-as-customers-make-500m-interest/", "company_url": "https://londonmempool.co.uk/c/flagstone" }, { "rank": 166, "id": "komainu", "name": "Komainu", "sector": "Crypto", "tier": "fast_growing", "score": 20, "funding": { "points": 13, "label": "Raised $75M Series B in Jan 2025", "source": "https://komainu.com/insights/komainu-completes-series-b-fundraising-with-strategic-investment-from-blockstream/" }, "staff": { "points": 7, "label": "Staff 25 to 30 in a year (+20%, accounts to Dec 2024)", "source": "https://find-and-update.company-information.service.gov.uk/company/11841450/filing-history/MzQ4MzAyMTM2NmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $75M Series B from Blockstream Capital Partners in January 2025 and gained FCA crypto registration in 2025.", "growth_source": "https://komainu.com/insights/komainu-completes-series-b-fundraising-with-strategic-investment-from-blockstream/", "company_url": "https://londonmempool.co.uk/c/komainu" }, { "rank": 167, "id": "sava", "name": "Sava", "sector": "Health", "tier": "up_and_coming", "score": 20, "funding": { "points": 14, "label": "Raised €16.3M Series A in Jul 2025" }, "staff": { "points": 6, "label": "Staff 34 to 40 in a year (+18%, accounts to Mar 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/10500092/filing-history/MzUwOTU4ODE1MmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a €16.3M Series A in July 2025 from investors including Balderton Capital, Norrsken VC and JamJar Investments.", "growth_source": "https://www.vestbee.com/insights/articles/top-european-funding-rounds-closed-in-july-2025", "company_url": "https://londonmempool.co.uk/c/sava" }, { "rank": 168, "id": "augur", "name": "Augur", "sector": "Defence", "tier": "up_and_coming", "score": 20, "funding": { "points": 20, "label": "Raised $15M Seed in Mar 2026", "source": "https://dealroom.co/news/126540-augur-raises-15m-to-turn-security-cameras-into-ai-threat-detectors/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $15M seed led by Plural in March 2026 and has a 30-person team in London deploying with UK infrastructure and venue operators.", "growth_source": "https://securitybrief.co.uk/story/augur-raises-usd-15m-to-expand-ai-risk-monitoring", "company_url": "https://londonmempool.co.uk/c/augur" }, { "rank": 169, "id": "meatly", "name": "Meatly", "sector": "Climate", "tier": "up_and_coming", "score": 20, "funding": { "points": 20, "label": "Raised £10.4M Series A in May 2026", "source": "https://meatly.pet/meatly-series-a/" }, "staff": null, "hiring": null, "growth_signal": "Raised a £10.4M Series A in May 2026 from Oyster Bay, Clean Growth Fund and JamJar to build a 20,000-litre bioreactor facility in London.", "growth_source": "https://meatly.pet/meatly-series-a/", "company_url": "https://londonmempool.co.uk/c/meatly" }, { "rank": 170, "id": "marker", "name": "Marker", "sector": "AI", "tier": "up_and_coming", "score": 20, "funding": { "points": 20, "label": "Raised $13M Seed in Jul 2026", "source": "https://tech.eu/2026/07/09/ai-writing-startup-co-founded-by-deepmind-creative-lead-raises-13m-seed-investment/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $13M seed round led by Index Ventures with LocalGlobe and angels including Slack co-founder Cal Henderson in July 2026.", "growth_source": "https://tech.eu/2026/07/09/ai-writing-startup-co-founded-by-deepmind-creative-lead-raises-13m-seed-investment/", "company_url": "https://londonmempool.co.uk/c/marker" }, { "rank": 171, "id": "stotles", "name": "Stotles", "sector": "AI", "tier": "up_and_coming", "score": 20, "funding": { "points": 12, "label": "Raised $13M Series A in May 2025", "source": "https://actoncapital.com/news/stotles-raises-13-million-series-a-to-help-suppliers-succeed-in-the-new-age-of-government-efficiency" }, "staff": { "points": 8, "label": "Staff 42 to 52 in a year (+24%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/10912358/filing-history/MzUyOTg2NzQ1N2FkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $13M Series A led by Headline and Acton in May 2025, with customers including Amazon Business, Salesforce and Vodafone.", "growth_source": "https://actoncapital.com/news/stotles-raises-13-million-series-a-to-help-suppliers-succeed-in-the-new-age-of-government-efficiency", "company_url": "https://londonmempool.co.uk/c/stotles" }, { "rank": 172, "id": "certain-energy", "name": "Certain Energy", "sector": "Climate", "tier": "up_and_coming", "score": 20, "funding": { "points": 20, "label": "Raised £10M Series A in Aug 2026", "source": "https://www.imperial.ac.uk/news/articles/admin-services/enterprise/2026/imperial-energy-storage-spinout-certain-energy-raises-10m-from-investors/" }, "staff": null, "hiring": null, "growth_signal": "Raised a £10M Series A in August 2026 from British Business Bank, Centrica, Temasek Trust and Ceres Power.", "growth_source": "https://www.imperial.ac.uk/news/articles/admin-services/enterprise/2026/imperial-energy-storage-spinout-certain-energy-raises-10m-from-investors/", "company_url": "https://londonmempool.co.uk/c/certain-energy" }, { "rank": 173, "id": "bioorbit", "name": "BioOrbit", "sector": "Deeptech", "tier": "up_and_coming", "score": 20, "funding": { "points": 20, "label": "Raised £9.8M Seed in May 2026", "source": "https://payloadspace.com/bioorbit-raises-9-8m-seed-to-manufacture-cancer-drugs-in-orbit/" }, "staff": null, "hiring": null, "growth_signal": "Raised a £9.8M seed co-led by LocalGlobe and Breega in May 2026, with Seedcamp and Auxxo participating.", "growth_source": "https://payloadspace.com/bioorbit-raises-9-8m-seed-to-manufacture-cancer-drugs-in-orbit/", "company_url": "https://londonmempool.co.uk/c/bioorbit" }, { "rank": 174, "id": "geosurge", "name": "geoSurge", "sector": "AI", "tier": "up_and_coming", "score": 20, "funding": { "points": 20, "label": "Raised $12M Seed in Jul 2026", "source": "https://www.pymnts.com/news/investment-tracker/2026/geosurge-raises-12-million-to-help-brands-secure-ai-visibility/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $12M seed led by AlbionVC in Jul 2026 and says it reached multi-million ARR within its first year.", "growth_source": "https://geosurge.ai/about", "company_url": "https://londonmempool.co.uk/c/geosurge" }, { "rank": 175, "id": "plumerai", "name": "Plumerai", "sector": "Deeptech", "tier": "up_and_coming", "score": 20, "funding": { "points": 13, "label": "Raised $8.7M Series A in Sep 2025", "source": "https://www.vestbee.com/insights/articles/plumerai-raises-8-7-m" }, "staff": null, "hiring": { "points": 7, "label": "2 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=plumerai" }, "growth_signal": "Raised an $8.7M Series A co-led by Partech and OTB Ventures in September 2025, bringing total funding to over $17M; customers include Chamberlain Group.", "growth_source": "https://www.vestbee.com/insights/articles/plumerai-raises-8-7-m", "company_url": "https://londonmempool.co.uk/c/plumerai" }, { "rank": 176, "id": "mintago", "name": "Mintago", "sector": "Fintech", "tier": "up_and_coming", "score": 20, "funding": { "points": 10, "label": "Raised £6M in May 2025", "source": "https://mintago.com/blog/mintago-6m-funding" }, "staff": { "points": 6, "label": "Staff 27 to 32 in a year (+19%, accounts to May 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/12000248/filing-history/MzUwNzYwMDA1N2FkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 4, "label": "1 open London role now", "source": "https://londonmempool.co.uk/jobs?company=mintago" }, "growth_signal": "Raised £6M in May 2025 and says it is trusted by 500+ UK brands, with about 50 staff.", "growth_source": "https://mintago.com/blog/mintago-6m-funding", "company_url": "https://londonmempool.co.uk/c/mintago" }, { "rank": 177, "id": "connectd", "name": "Connectd", "sector": "Other", "tier": "up_and_coming", "score": 20, "funding": { "points": 11, "label": "Raised $7M Series A in Jul 2025", "source": "https://www.connectd.com/learn/press" }, "staff": { "points": 9, "label": "Staff 69 to 87 in a year (+26%, accounts to Mar 2026)", "source": "https://find-and-update.company-information.service.gov.uk/company/12280705/filing-history/MzU0Mzg4NzA4MGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $7M Series A in July 2025 and ranked #5 on LinkedIn Top Startups UK 2025 with 91 full-time staff.", "growth_source": "https://www.linkedin.com/pulse/linkedin-top-startups-2025-20-uk-companies-rise-linkedin-news-uk-vczpc", "company_url": "https://londonmempool.co.uk/c/connectd" }, { "rank": 178, "id": "occam-industries", "name": "Occam Industries", "sector": "Defence", "tier": "up_and_coming", "score": 20, "funding": { "points": 13, "label": "Raised €3.8M in Sep 2026", "source": "https://thedefender.media/en/2026/09/occam-industries-investment-3-8m/" }, "staff": null, "hiring": { "points": 7, "label": "2 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=occam-industries" }, "growth_signal": "Raised €3.8M led by North Ventures in September 2026, bringing total funding to €7M; works with four major Ukrainian drone makers and 12 Ukrainian armed forces units.", "growth_source": "https://thedefender.media/en/2026/09/occam-industries-investment-3-8m/", "company_url": "https://londonmempool.co.uk/c/occam-industries" }, { "rank": 179, "id": "taptap-send", "name": "Taptap Send", "sector": "Fintech", "tier": "up_and_coming", "score": 19, "funding": null, "staff": null, "hiring": { "points": 19, "label": "18 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=taptap-send" }, "growth_signal": "Raised a $65M Series B led by Spark Capital in December 2021, with PitchBook data valuing it at $715M, and said its business had grown eightfold.", "growth_source": "https://techcrunch.com/2021/12/20/taptap-send-raises-65m-to-build-cross-border-remittances-focused-on-the-most-underserved-markets/", "company_url": "https://londonmempool.co.uk/c/taptap-send" }, { "rank": 180, "id": "lindus-health", "name": "Lindus Health", "sector": "Health", "tier": "fast_growing", "score": 19, "funding": { "points": 12, "label": "Raised $55M Series B in Jan 2025", "source": "https://www.clinicaltrialsarena.com/news/lindus-health-completes-55m-funding-round/" }, "staff": null, "hiring": { "points": 7, "label": "2 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=lindus-health" }, "growth_signal": "Raised a $55M Series B led by Balderton in Jan 2025 and has enrolled over 36,000 patients across North America and Europe.", "growth_source": "https://pulse2.com/lindus-health-anti-cro-company-raises-55-million-series-b", "company_url": "https://londonmempool.co.uk/c/lindus-health" }, { "rank": 181, "id": "navro", "name": "Navro", "sector": "Fintech", "tier": "fast_growing", "score": 19, "funding": { "points": 15, "label": "Raised $41M Series B in Apr 2025", "source": "https://vestbee.com/blog/articles/navro-raises-41-m" }, "staff": { "points": 4, "label": "Staff 46 to 51 in a year (+11%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/13854323/filing-history/MzU0NTIwODc3NGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $41M (EUR36M) Series B in Apr 2025 led by Jump Capital with Bain Capital Ventures, Motive Ventures and Unusual Ventures.", "growth_source": "https://vestbee.com/blog/articles/navro-raises-41-m", "company_url": "https://londonmempool.co.uk/c/navro" }, { "rank": 182, "id": "myedspace", "name": "MyEdSpace", "sector": "Other", "tier": "up_and_coming", "score": 19, "funding": { "points": 15, "label": "Raised $15M Series A in Sep 2025", "source": "https://tech.eu/2025/09/29/myedspace-secures-15m-to-expand-world-class-education/" }, "staff": null, "hiring": { "points": 4, "label": "1 open London role now", "source": "https://londonmempool.co.uk/jobs?company=myedspace" }, "growth_signal": "Raised a $15M Series A led by White Star Capital in September 2025, with teachers delivering live lessons to thousands of students at once.", "growth_source": "https://tech.eu/2025/09/29/myedspace-secures-15m-to-expand-world-class-education/", "company_url": "https://londonmempool.co.uk/c/myedspace" }, { "rank": 183, "id": "resolutiion", "name": "Resolutiion", "sector": "AI", "tier": "up_and_coming", "score": 19, "funding": { "points": 19, "label": "Raised $10.4M Seed in Sep 2026", "source": "https://www.vestbee.com/insights/articles/top-european-funding-rounds-closed-in-september-2026" }, "staff": null, "hiring": null, "growth_signal": "Raised a $10.4M seed in September 2026 from LocalGlobe, Cherry Ventures, Octopus Ventures, Auxxo and Chevron Technology Ventures.", "growth_source": "https://www.vestbee.com/insights/articles/top-european-funding-rounds-closed-in-september-2026", "company_url": "https://londonmempool.co.uk/c/resolutiion" }, { "rank": 184, "id": "magic-ai", "name": "MAGIC AI", "sector": "AI", "tier": "up_and_coming", "score": 19, "funding": { "points": 19, "label": "Raised £8M Series B in Sep 2026", "source": "https://www.beringea.co.uk/news/in-the-news/beringea-leads-magic-ai-s-gbp8m-series-b-to-scale-ai-fitness-mirror-across-the-us" }, "staff": null, "hiring": null, "growth_signal": "Raised an £8M Series B co-led by Beringea and IW Capital in Sep 2026 and ranked 8th on LinkedIn Top Startups UK 2025.", "growth_source": "https://www.linkedin.com/pulse/linkedin-top-startups-2025-20-uk-companies-rise-linkedin-news-uk-vczpc", "company_url": "https://londonmempool.co.uk/c/magic-ai" }, { "rank": 185, "id": "sprive", "name": "Sprive", "sector": "Fintech", "tier": "up_and_coming", "score": 19, "funding": { "points": 19, "label": "Raised $10M Series A in Sep 2026", "source": "https://www.vestbee.com/insights/articles/top-european-funding-rounds-closed-in-september-2026" }, "staff": null, "hiring": null, "growth_signal": "Closed a $10M Series A in September 2026 with 567,000 users and an annual revenue run rate of about £18M, after reaching cash flow positivity.", "growth_source": "https://www.under30ceo.com/series-a-funding-lessons-profitable-raise/", "company_url": "https://londonmempool.co.uk/c/sprive" }, { "rank": 186, "id": "velocity", "name": "Velocity", "sector": "Fintech", "tier": "fast_growing", "score": 19, "funding": { "points": 19, "label": "Raised $10M Series A in Sep 2026", "source": "https://fintech.global/2026/09/16/velocitys-series-a-swells-to-48m-as-banking-giants-circle-stablecoins/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $38M Series A led by FirstMark and Dragonfly in Jul 2026, then a $10M extension from Visa, Circle and Haun Ventures in Sep 2026.", "growth_source": "https://fortune.com/2026/07/14/exclusive-payments-startup-velocity-38-million-businesses-stablecoin-growth/", "company_url": "https://londonmempool.co.uk/c/velocity" }, { "rank": 187, "id": "bolt-insight", "name": "Bolt Insight", "sector": "AI", "tier": "up_and_coming", "score": 19, "funding": { "points": 15, "label": "Raised £7M in Dec 2025" }, "staff": null, "hiring": { "points": 4, "label": "1 open London role now", "source": "https://londonmempool.co.uk/jobs?company=bolt-insight" }, "growth_signal": "Closed a £7M round led by Pembroke VCT in Dec 2025 with 212, Active Partners, Velocity and TIBAS Ventures participating.", "growth_source": "https://www.uktech.news/funding/bolt-insight-closes-7m-round-for-its-ai-consumer-intelligence-platform-20251210", "company_url": "https://londonmempool.co.uk/c/bolt-insight" }, { "rank": 188, "id": "goodstack", "name": "Goodstack", "sector": "Other", "tier": "up_and_coming", "score": 19, "funding": null, "staff": { "points": 8, "label": "Staff 25 to 31 in a year (+24%, accounts to Apr 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/09387321/filing-history/MzQ4NTIxMzg1NGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 11, "label": "5 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=goodstack" }, "growth_signal": "Passed $5B in donations facilitated by January 2026 and acquired Australian workplace giving group Good2Give in November 2025, backed by General Catalyst and Atlassian.", "growth_source": "https://www.goodstack.io/blog/how-goodstack-has-powered-over-usd5b-in-donations-to-nonprofits", "company_url": "https://londonmempool.co.uk/c/goodstack" }, { "rank": 189, "id": "ohme", "name": "Ohme", "sector": "Climate", "tier": "up_and_coming", "score": 19, "funding": null, "staff": null, "hiring": { "points": 19, "label": "19 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=ohme" }, "growth_signal": "Calls itself the UK's largest home EV charging company and is official home charger partner for Motability, Volkswagen Group and Mercedes-Benz.", "growth_source": "https://ohme-ev.com/news-and-press/changan-and-ohme-partnership/", "company_url": "https://londonmempool.co.uk/c/ohme" }, { "rank": 190, "id": "suade-labs", "name": "Suade Labs", "sector": "Fintech", "tier": "up_and_coming", "score": 19, "funding": null, "staff": { "points": 6, "label": "Staff 69 to 80 in a year (+16%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/09197033/filing-history/MzUyMDAzMjA0OWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 13, "label": "7 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=suade-labs" }, "growth_signal": "Customers shown on its site include TD Securities, Metro Bank, Coventry Building Society and Darlington Building Society.", "growth_source": "https://suade.org/", "company_url": "https://londonmempool.co.uk/c/suade-labs" }, { "rank": 191, "id": "plentific", "name": "Plentific", "sector": "Other", "tier": "fast_growing", "score": 18, "funding": null, "staff": null, "hiring": { "points": 18, "label": "15 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=plentific" }, "growth_signal": "Platform now has 1.7M+ properties live, with a recent deal where seven social housing landlords added over 157,000 properties.", "growth_source": "https://www.plentific.com/resource-center/newsroom/", "company_url": "https://londonmempool.co.uk/c/plentific" }, { "rank": 192, "id": "zilo", "name": "ZILO", "sector": "Fintech", "tier": "fast_growing", "score": 18, "funding": { "points": 18, "label": "Raised $27M Series A in Sep 2025", "source": "https://www.vestbee.com/insights/articles/top-european-funding-rounds-closed-in-september-2025" }, "staff": null, "hiring": null, "growth_signal": "Raised a $27M Series A2 led by Portage with State Street in September 2025, at a higher valuation than its January 2024 Series A.", "growth_source": "https://www.zilo.co.uk/insight-articles/zilo-tm-announces-27-million-funding-to-accelerate-growth", "company_url": "https://londonmempool.co.uk/c/zilo" }, { "rank": 193, "id": "tern-group", "name": "TERN Group", "sector": "Health", "tier": "fast_growing", "score": 18, "funding": { "points": 18, "label": "Raised $24M Series A in Sep 2025", "source": "https://tech.eu/2025/09/10/tern-group-raises-24m-series-a-to-fix-healthcares-workforce-crisis/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $24M Series A led by Notion Capital in September 2025, within the last 24 months.", "growth_source": "https://tech.eu/2025/09/10/tern-group-raises-24m-series-a-to-fix-healthcares-workforce-crisis/", "company_url": "https://londonmempool.co.uk/c/tern-group" }, { "rank": 194, "id": "instanda", "name": "INSTANDA", "sector": "Fintech", "tier": "fast_growing", "score": 18, "funding": { "points": 18, "label": "Raised $20M in Oct 2025", "source": "https://fintech.global/2025/10/21/instanda-bags-20m-from-commerzventures/" }, "staff": null, "hiring": null, "growth_signal": "Raised $20M led by CommerzVentures in October 2025, is profitable and serves more than 80 tier 1 insurers and MGAs in the US and UK.", "growth_source": "https://fintech.global/2025/10/21/instanda-bags-20m-from-commerzventures/", "company_url": "https://londonmempool.co.uk/c/instanda" }, { "rank": 195, "id": "genie-ai", "name": "Genie AI", "sector": "AI", "tier": "up_and_coming", "score": 18, "funding": null, "staff": { "points": 18, "label": "Staff 16 to 24 in a year (+50%, accounts to Jul 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/11080520/filing-history/MzUxNDA5MzUyOGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $17.8M Series A led by GV and Khosla Ventures and says it serves 200,000+ business users.", "growth_source": "https://www.genieai.co/about-us", "company_url": "https://londonmempool.co.uk/c/genie-ai" }, { "rank": 196, "id": "matta", "name": "Matta", "sector": "AI", "tier": "up_and_coming", "score": 18, "funding": { "points": 18, "label": "Raised $14M Seed in Dec 2025", "source": "https://matta.ai/news-updates/14m-to-build-the-first-sentient-factories" }, "staff": null, "hiring": null, "growth_signal": "Raised a $14M seed led by Lakestar in Dec 2025, with factory projects including Bowers & Wilkins.", "growth_source": "https://matta.ai/news-updates/14m-to-build-the-first-sentient-factories", "company_url": "https://londonmempool.co.uk/c/matta" }, { "rank": 197, "id": "raylo", "name": "Raylo", "sector": "Fintech", "tier": "up_and_coming", "score": 18, "funding": { "points": 18, "label": "Raised £10M in Jan 2026", "source": "https://cfotech.co.uk/story/raylo-raises-gbp-30m-seals-lg-uk-subscription-deal" }, "staff": null, "hiring": null, "growth_signal": "Reported $100M ARR with 60% year-on-year growth in Sep 2026, after a Citi-led £10M equity raise in Jan 2026.", "growth_source": "https://www.arr.club/raylo/raylo-arr-surpasses-100m-with-60-yoy-growth", "company_url": "https://londonmempool.co.uk/c/raylo" }, { "rank": 198, "id": "qfex", "name": "QFEX", "sector": "Fintech", "tier": "up_and_coming", "score": 18, "funding": { "points": 18, "label": "Raised $9.5M Seed in Mar 2026", "source": "https://fintech.global/2026/03/05/qfex-launches-with-9-5m-seed-round-to-disrupt-global-trading/" }, "staff": null, "hiring": null, "growth_signal": "YC Spring 2025 company that raised a $9.5M seed led by General Catalyst at a $95M valuation in March 2026.", "growth_source": "https://fintech.global/2026/03/05/qfex-launches-with-9-5m-seed-round-to-disrupt-global-trading/", "company_url": "https://londonmempool.co.uk/c/qfex" }, { "rank": 199, "id": "codewords", "name": "CodeWords", "sector": "AI", "tier": "up_and_coming", "score": 18, "funding": { "points": 18, "label": "Raised $9M Seed in May 2026", "source": "https://tech.eu/2026/05/07/codewords-raises-9m-to-bring-proactive-ai-agents-to-businesses/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $9M seed led by Visionaries in May 2026 with firstminute capital, Sequel and angels including the CEOs of Miro, ElevenLabs and Personio.", "growth_source": "https://tech.eu/2026/05/07/codewords-raises-9m-to-bring-proactive-ai-agents-to-businesses/", "company_url": "https://londonmempool.co.uk/c/codewords" }, { "rank": 200, "id": "edgify", "name": "Edgify", "sector": "AI", "tier": "up_and_coming", "score": 18, "funding": { "points": 18, "label": "Raised $9M Series A in Aug 2026", "source": "https://www.uktech.news/ai/edgify-raises-6-7m-to-power-ai-infrastructure-for-physical-retail-20260811" }, "staff": null, "hiring": null, "growth_signal": "Raised a $9M Series A+ from Rank Ventures and Mangrove Capital Partners in Aug 2026, taking total funding to $25M.", "growth_source": "https://www.uktech.news/ai/edgify-raises-6-7m-to-power-ai-infrastructure-for-physical-retail-20260811", "company_url": "https://londonmempool.co.uk/c/edgify" }, { "rank": 201, "id": "checkboard", "name": "Checkboard", "sector": "Fintech", "tier": "fast_growing", "score": 18, "funding": { "points": 18, "label": "Raised $8.5M Series A in Jul 2026", "source": "https://www.cbinsights.com/company/checkboard/financials" }, "staff": null, "hiring": null, "growth_signal": "Ranked #20 on the Sifted 100 UK and Ireland 2026 with a 318% two-year revenue CAGR.", "growth_source": "https://www.datocms-assets.com/60124/1774006698-sifted-100-uk-ireland-2026.pdf", "company_url": "https://londonmempool.co.uk/c/checkboard" }, { "rank": 202, "id": "finster-ai", "name": "Finster AI", "sector": "Fintech", "tier": "fast_growing", "score": 18, "funding": null, "staff": { "points": 18, "label": "Staff 10 to 15 in a year (+50%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/15250054/filing-history/MzU0ODI1ODAzOWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised $15M in Oct 2025, reported $26.5M in a US Form D in Apr 2026, then added UBS and FactSet in an Aug 2026 Series B.", "growth_source": "https://innolope.com/pulse/funding/6a21ee02ad395cc135adc9ee", "company_url": "https://londonmempool.co.uk/c/finster-ai" }, { "rank": 203, "id": "wheely", "name": "Wheely", "sector": "Other", "tier": "up_and_coming", "score": 18, "funding": null, "staff": null, "hiring": { "points": 18, "label": "17 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=wheely" }, "growth_signal": "Raised $15M from existing shareholders including Concentric, disclosed in February 2024 as it launched in Dubai, bringing its total funding to $43M.", "growth_source": "https://www.cnbc.com/2024/02/07/luxury-uber-rival-wheely-launches-in-dubai-to-take-on-careem.html", "company_url": "https://londonmempool.co.uk/c/wheely" }, { "rank": 204, "id": "verdiva-bio", "name": "Verdiva Bio", "sector": "Health", "tier": "fast_growing", "score": 17, "funding": { "points": 17, "label": "Raised $411M Series A in Jan 2025", "source": "https://www.biospace.com/business/verdiva-jumps-into-hot-obesity-market-with-410m-debut-eyes-next-gen-therapies" }, "staff": null, "hiring": null, "growth_signal": "Launched in January 2025 with a $411M Series A co-led by Forbion and General Atlantic, with OrbiMed and Lilly Asia Ventures participating.", "growth_source": "https://www.biospace.com/business/verdiva-jumps-into-hot-obesity-market-with-410m-debut-eyes-next-gen-therapies", "company_url": "https://londonmempool.co.uk/c/verdiva-bio" }, { "rank": 205, "id": "ascendx", "name": "Ascendx", "sector": "AI", "tier": "fast_growing", "score": 17, "funding": { "points": 17, "label": "Raised $60M equity Growth in May 2025, debt part not scored", "source": "https://ascendx.cloud/news/ascendx-raises-110m-to-revolutionize-crm-with-ai-powered-insights-led-by-osprey-investors/" }, "staff": null, "hiring": null, "growth_signal": "Raised $60M equity plus $50M debt in May 2025 led by Osprey Investors after about 300% revenue growth in 2024, and named to Tech Nation Future Fifty 2026.", "growth_source": "https://ascendx.cloud/news/ascendx-raises-110m-to-revolutionize-crm-with-ai-powered-insights-led-by-osprey-investors/", "company_url": "https://londonmempool.co.uk/c/ascendx" }, { "rank": 206, "id": "proxymity", "name": "Proxymity", "sector": "Fintech", "tier": "fast_growing", "score": 17, "funding": { "points": 17, "label": "Raised $36M Series C in Jul 2025", "source": "https://www.proxymity.io/?p=2758" }, "staff": null, "hiring": null, "growth_signal": "Closed a $36M Series C led by Mitsubishi UFJ Trust and Banking in July 2025, and counts 87 of the FTSE 100 as clients.", "growth_source": "https://www.financialcontent.com/article/accwirecq-2025-7-17-proxymity-welcomes-new-consortium-member-mitsubishi-ufj-trust-and-banking-corporation-as-they-lead-the-closing-of-a-36-million-series-c-investment-round", "company_url": "https://londonmempool.co.uk/c/proxymity" }, { "rank": 207, "id": "noah", "name": "Noah", "sector": "Crypto", "tier": "fast_growing", "score": 17, "funding": { "points": 14, "label": "Raised $22M Seed in Jun 2025" }, "staff": { "points": 3, "label": "Staff 13 to 14 in a year (+8%, accounts to Mar 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/13100652/filing-history/MzQ5MzcyNzQ4N2FkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a $22M seed round from LocalGlobe with Felix Capital and FJ Labs in June 2025.", "growth_source": "https://noah.com/blog/22m-seed-round", "company_url": "https://londonmempool.co.uk/c/noah" }, { "rank": 208, "id": "converge", "name": "Converge", "sector": "Climate", "tier": "fast_growing", "score": 17, "funding": { "points": 13, "label": "Raised €20M in May 2025", "source": "https://tech.eu/2025/05/21/converge-raises-eur20m-to-decarbonise-concrete/" }, "staff": null, "hiring": { "points": 4, "label": "1 open London role now", "source": "https://londonmempool.co.uk/jobs?company=converge" }, "growth_signal": "Raised €20M led by ABN AMRO Sustainable Impact Fund in May 2025, within the last 24 months.", "growth_source": "https://tech.eu/2025/05/21/converge-raises-eur20m-to-decarbonise-concrete/", "company_url": "https://londonmempool.co.uk/c/converge" }, { "rank": 209, "id": "paid", "name": "Paid", "sector": "AI", "tier": "fast_growing", "score": 17, "funding": { "points": 17, "label": "Raised $21.6M Seed in Sep 2025", "source": "https://techcrunch.com/2025/09/28/paid-the-ai-agent-results-based-billing-startup-from-manny-medina-raises-huge-21m-seed/" }, "staff": null, "hiring": null, "growth_signal": "London-based startup from Outreach founder Manny Medina raised a $21.6M Lightspeed-led seed in September 2025 at a reported $100M+ valuation.", "growth_source": "https://techcrunch.com/2025/09/28/paid-the-ai-agent-results-based-billing-startup-from-manny-medina-raises-huge-21m-seed/", "company_url": "https://londonmempool.co.uk/c/paid" }, { "rank": 210, "id": "breathe-battery-technologies", "name": "Breathe Battery Technologies", "sector": "Climate", "tier": "fast_growing", "score": 17, "funding": { "points": 13, "label": "Raised $21M Series B in May 2025", "source": "https://www.renewableenergymagazine.com/storage/breathe-raises-21-million-in-series-b-20250512" }, "staff": null, "hiring": { "points": 4, "label": "1 open London role now", "source": "https://londonmempool.co.uk/jobs?company=breathe-battery-technologies" }, "growth_signal": "Raised a $21M Series B from Kinnevik, Lowercarbon Capital and Volvo Cars Tech Fund in May 2025, within the last 24 months.", "growth_source": "https://www.renewableenergymagazine.com/storage/breathe-raises-21-million-in-series-b-20250512", "company_url": "https://londonmempool.co.uk/c/breathe-battery-technologies" }, { "rank": 211, "id": "bumper", "name": "Bumper", "sector": "Fintech", "tier": "up_and_coming", "score": 17, "funding": { "points": 13, "label": "Raised £8M Series B in Aug 2025", "source": "https://www.bumper.co/blog/bumper-raises-8-million-series-b-extension" }, "staff": null, "hiring": { "points": 4, "label": "1 open London role now", "source": "https://londonmempool.co.uk/jobs?company=bumper" }, "growth_signal": "Raised an £8M Series B extension in Aug 2025, taking the Series B to £20M, and said it was operationally profitable and on track to triple GMV to over £1B in 2025.", "growth_source": "https://www.bumper.co/blog/bumper-raises-8-million-series-b-extension", "company_url": "https://londonmempool.co.uk/c/bumper" }, { "rank": 212, "id": "kord", "name": "Kord", "sector": "Fintech", "tier": "up_and_coming", "score": 17, "funding": { "points": 17, "label": "Raised £6.4M Series A in Jul 2026", "source": "https://www.uktech.news/fintech/kord-secures-6-4m-to-process-payments-for-regulated-industries-20260708" }, "staff": null, "hiring": null, "growth_signal": "Raised a £6.4m Series A in Jul 2026 led by Guinness Ventures with Beringea and SFC Capital, after rebranding from Checkboard and acquiring a payments provider.", "growth_source": "https://www.uktech.news/fintech/kord-secures-6-4m-to-process-payments-for-regulated-industries-20260708", "company_url": "https://londonmempool.co.uk/c/kord" }, { "rank": 213, "id": "eunice", "name": "Eunice", "sector": "Crypto", "tier": "up_and_coming", "score": 17, "funding": { "points": 17, "label": "Raised $8M Seed in Mar 2026", "source": "https://tech.eu/2026/03/25/with-8m-eunice-brings-institutional-grade-ai-to-due-diligence/" }, "staff": null, "hiring": null, "growth_signal": "Raised a combined $8M pre-seed and seed round co-led by Moonfire and Speedinvest in March 2026.", "growth_source": "https://tech.eu/2026/03/25/with-8m-eunice-brings-institutional-grade-ai-to-due-diligence/", "company_url": "https://londonmempool.co.uk/c/eunice" }, { "rank": 214, "id": "medly", "name": "Medly", "sector": "AI", "tier": "up_and_coming", "score": 17, "funding": { "points": 17, "label": "Raised $8M Seed in Aug 2026" }, "staff": null, "hiring": null, "growth_signal": "Raised an $8M seed led by Felix Capital in Aug 2026 after reaching more than 400,000 UK users since its Feb 2025 launch.", "growth_source": "https://www.uktech.news/ai/ai-tutor-startup-medly-lands-6m-to-scale-exam-prep-platform-20260819", "company_url": "https://londonmempool.co.uk/c/medly" }, { "rank": 215, "id": "helmguard", "name": "HelmGuard", "sector": "AI", "tier": "up_and_coming", "score": 17, "funding": { "points": 17, "label": "Raised $7.3M Seed in Sep 2026", "source": "https://raising.fi/news/helmguard-seed-september-2026" }, "staff": null, "hiring": null, "growth_signal": "Raised a $7.3M seed in September 2026 led by Infinity Ventures with Frontline, FinTech Collective, Stage 2 Capital and Entrepreneurs First.", "growth_source": "https://raising.fi/news/helmguard-seed-september-2026", "company_url": "https://londonmempool.co.uk/c/helmguard" }, { "rank": 216, "id": "kohort", "name": "Kohort", "sector": "AI", "tier": "up_and_coming", "score": 17, "funding": { "points": 17, "label": "Raised $7M Series A in May 2026", "source": "https://www.pocketgamer.biz/exclusive-kohort-raises-7m-to-build-ua-ai-agents-for-mobile/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $7M Series A led by The Raine Group in May 2026, after a 2025 round with Eurazeo and AlbionVC; its models serve 300+ mobile games.", "growth_source": "https://www.pocketgamer.biz/exclusive-kohort-raises-7m-to-build-ua-ai-agents-for-mobile/", "company_url": "https://londonmempool.co.uk/c/kohort" }, { "rank": 217, "id": "whering", "name": "Whering", "sector": "Other", "tier": "up_and_coming", "score": 17, "funding": { "points": 17, "label": "Raised $7M Seed in Jul 2026", "source": "https://tech.eu/2026/07/07/whering-lands-7m-as-digital-wardrobe-platform-reaches-10m-users/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $7M seed led by eBay Ventures and Google AI Futures Fund in July 2026 as the app passed 10 million users.", "growth_source": "https://tech.eu/2026/07/07/whering-lands-7m-as-digital-wardrobe-platform-reaches-10m-users/", "company_url": "https://londonmempool.co.uk/c/whering" }, { "rank": 218, "id": "inforcer", "name": "Inforcer", "sector": "Other", "tier": "fast_growing", "score": 17, "funding": null, "staff": { "points": 17, "label": "Staff 36 to 53 in a year (+47%, accounts to Dec 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/14146319/filing-history/MzU0MDI3MTk4OGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a Series C led by Insight Partners in July 2026, bringing total funding to $110M, and reported 300% year-on-year growth.", "growth_source": "https://dealroom.co/news/142144-inforcer-raises-50m-series-c-led-by-insight-partners-to-arm-msps-against/", "company_url": "https://londonmempool.co.uk/c/inforcer" }, { "rank": 219, "id": "aspora", "name": "Aspora", "sector": "Fintech", "tier": "fast_growing", "score": 16, "funding": { "points": 16, "label": "Raised €45.7M Series B in May 2025", "source": "https://www.vestbee.com/blog/articles/aspora-secures-93-m" }, "staff": null, "hiring": null, "growth_signal": "Raised a Series B co-led by Sequoia and Greylock in 2025, taking total funding to $93M, with 250,000+ users and $2B in transfers processed.", "growth_source": "https://www.vestbee.com/blog/articles/aspora-secures-93-m", "company_url": "https://londonmempool.co.uk/c/aspora" }, { "rank": 220, "id": "portal-biotech", "name": "Portal Biotech", "sector": "Health", "tier": "fast_growing", "score": 16, "funding": { "points": 16, "label": "Raised $35M Series A in Jun 2025", "source": "https://www.nif.fund/news/nato-innovation-fund-leads-35-million-series-a-in-portal-biotech-alongside-earlybird-to-deliver-worlds-first-full-length-single-molecule-protein-sequencer" }, "staff": null, "hiring": null, "growth_signal": "Raised a $35M Series A led by the NATO Innovation Fund and Earlybird in June 2025.", "growth_source": "https://www.nif.fund/news/nato-innovation-fund-leads-35-million-series-a-in-portal-biotech-alongside-earlybird-to-deliver-worlds-first-full-length-single-molecule-protein-sequencer", "company_url": "https://londonmempool.co.uk/c/portal-biotech" }, { "rank": 221, "id": "treefera", "name": "Treefera", "sector": "Climate", "tier": "fast_growing", "score": 16, "funding": { "points": 16, "label": "Raised $30M Series B in Jun 2025", "source": "https://www.uktech.news/ai/treefera-ai-series-b-20250603" }, "staff": null, "hiring": null, "growth_signal": "Raised a $30M (£22M) Series B led by Notion Capital in June 2025, a year after its £9M Series A.", "growth_source": "https://www.uktech.news/ai/treefera-ai-series-b-20250603", "company_url": "https://londonmempool.co.uk/c/treefera" }, { "rank": 222, "id": "lightyear", "name": "Lightyear", "sector": "Fintech", "tier": "fast_growing", "score": 16, "funding": { "points": 16, "label": "Raised $23M Series B in Jul 2025", "source": "https://lightyear.com/en-gb/blog/lightyear-closes-dollar23m-series-b" }, "staff": null, "hiring": null, "growth_signal": "Raised a $23M Series B led by NordicNinja in July 2025, within 24 months, and passed $1B in customer assets.", "growth_source": "https://lightyear.com/en-gb/blog/lightyear-closes-dollar23m-series-b", "company_url": "https://londonmempool.co.uk/c/lightyear" }, { "rank": 223, "id": "mytos", "name": "Mytos", "sector": "Health", "tier": "up_and_coming", "score": 16, "funding": null, "staff": null, "hiring": { "points": 16, "label": "12 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=mytos" }, "growth_signal": "Launched an automated CDMO in October 2025 with its first site inside CGT Catapult's Stevenage centre, targeting clinical readiness by September 2026.", "growth_source": "https://www.biospace.com/press-releases/mytos-launches-automated-cdmo-for-scalable-low-cost-manufacturing-of-stem-cell-derived-therapies", "company_url": "https://londonmempool.co.uk/c/mytos" }, { "rank": 224, "id": "triver", "name": "TRIVER", "sector": "Fintech", "tier": "up_and_coming", "score": 16, "funding": { "points": 16, "label": "Raised £14M Series A in Sep 2025", "source": "https://fintech.global/?p=215765" }, "staff": null, "hiring": null, "growth_signal": "Raised a £14M Series A led by AlleyCorp plus up to £100M in debt facilities in September 2025, with about 1,500 clients and £180M of invoices funded.", "growth_source": "https://fintech.global/?p=215765", "company_url": "https://londonmempool.co.uk/c/triver" }, { "rank": 225, "id": "napo", "name": "Napo", "sector": "Fintech", "tier": "up_and_coming", "score": 16, "funding": { "points": 10, "label": "Raised €14.4M Series B in Feb 2025", "source": "https://fintech.global/2025/02/27/napo-raises-e14-4m-to-revolutionise-pet-insurance-with-ai-and-automation/" }, "staff": { "points": 6, "label": "Staff 60 to 70 in a year (+17%, accounts to Dec 2024)", "source": "https://find-and-update.company-information.service.gov.uk/company/13281620/filing-history/MzQ3MjEzMDAzOGFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Raised a €14.4M Series B led by Mercia Ventures in February 2025, taking total funding to about €36.1M.", "growth_source": "https://fintech.global/2025/02/27/napo-raises-e14-4m-to-revolutionise-pet-insurance-with-ai-and-automation/", "company_url": "https://londonmempool.co.uk/c/napo" }, { "rank": 226, "id": "saturn", "name": "Saturn", "sector": "Fintech", "tier": "up_and_coming", "score": 16, "funding": { "points": 16, "label": "Raised $15M Series A in Oct 2025", "source": "https://saturnos.com/journal/saturn-15m-series-a-to-make-quality-financial-advice-accessible" }, "staff": null, "hiring": null, "growth_signal": "Raised a $15M Series A led by Singular in Oct 2025 and is used by 600+ advisory firms and 2,000+ advisers.", "growth_source": "https://saturnos.com/journal/saturn-15m-series-a-to-make-quality-financial-advice-accessible", "company_url": "https://londonmempool.co.uk/c/saturn" }, { "rank": 227, "id": "procure-ai", "name": "Procure AI", "sector": "AI", "tier": "fast_growing", "score": 16, "funding": { "points": 16, "label": "Raised $13M Seed in Nov 2025", "source": "https://www.datocms-assets.com/60124/1774006698-sifted-100-uk-ireland-2026.pdf" }, "staff": null, "hiring": null, "growth_signal": "Ranked #99 on the Sifted 100 UK and Ireland 2026 with a 100% two-year revenue CAGR, and raised a $13M seed led by Headline in Nov 2025.", "growth_source": "https://www.datocms-assets.com/60124/1774006698-sifted-100-uk-ireland-2026.pdf", "company_url": "https://londonmempool.co.uk/c/procure-ai" }, { "rank": 228, "id": "mondra", "name": "Mondra", "sector": "Climate", "tier": "up_and_coming", "score": 16, "funding": { "points": 16, "label": "Raised £10M Series A in Oct 2025", "source": "https://tech.eu/2025/10/23/mondra-raises-ps10m-to-accelerate-european-expansion/" }, "staff": null, "hiring": null, "growth_signal": "Closed a £10M Series A with AlbionVC and Planet A in October 2025, with its platform integrated into systems used by major food retailers.", "growth_source": "https://tech.eu/2025/10/23/mondra-raises-ps10m-to-accelerate-european-expansion/", "company_url": "https://londonmempool.co.uk/c/mondra" }, { "rank": 229, "id": "ravio", "name": "Ravio", "sector": "Other", "tier": "up_and_coming", "score": 16, "funding": { "points": 11, "label": "Raised $12M Series A in May 2025", "source": "https://tech.eu/2025/05/09/ravio-secures-12m-to-improve-the-quality-of-compensation-data/" }, "staff": { "points": 5, "label": "Staff 32 to 37 in a year (+16%, accounts to Dec 2024)", "source": "https://find-and-update.company-information.service.gov.uk/company/13864162/filing-history/MzQ5NjYwMzIyMmFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Founded in 2022, raised a $12M Series A led by Spark Capital with Blackbird and Cherry Ventures in May 2025, with customers including Wise and Octopus Energy.", "growth_source": "https://tech.eu/2025/05/09/ravio-secures-12m-to-improve-the-quality-of-compensation-data/", "company_url": "https://londonmempool.co.uk/c/ravio" }, { "rank": 230, "id": "polaron", "name": "Polaron", "sector": "AI", "tier": "up_and_coming", "score": 16, "funding": { "points": 16, "label": "Raised $8M in Feb 2026", "source": "https://www.polaron.ai/newsroom/polaron-raises-8m-to-build-the-intelligence-layer-for-materials-science" }, "staff": null, "hiring": null, "growth_signal": "Won the GBP 1M Manchester Prize in Mar 2025 and raised $8M led by Racine2 in Feb 2026; customers include EV makers behind over a third of global EV output.", "growth_source": "https://challengeworks.org/challenge-prizes/manchester-prize-round-1/", "company_url": "https://londonmempool.co.uk/c/polaron" }, { "rank": 231, "id": "stanhope-ai", "name": "Stanhope AI", "sector": "AI", "tier": "up_and_coming", "score": 16, "funding": { "points": 16, "label": "Raised $8M Seed in Feb 2026", "source": "https://www.stanhopeai.com/stanhope-ai-news/stanhope-ai-raises-8m-as-real-world-ai-model-gains-momentum-beyond-llms" }, "staff": null, "hiring": null, "growth_signal": "UCL and King's College London spinout co-founded by Karl Friston raised an $8M seed led by Frontline Ventures in Feb 2026.", "growth_source": "https://businesscloud.co.uk/news/stanhope-ai-raises-6m-in-seed-funding-round/", "company_url": "https://londonmempool.co.uk/c/stanhope-ai" }, { "rank": 232, "id": "zevero", "name": "Zevero", "sector": "Climate", "tier": "fast_growing", "score": 16, "funding": { "points": 16, "label": "Raised $7M in Mar 2026", "source": "https://esgpost.com/climate-tech-platform-zevero-raises-7-million-as-global-demand-for-carbon-data-accelerates/" }, "staff": null, "hiring": null, "growth_signal": "Raised $7M in March 2026 from Spiral Capital, Gazelle Capital and Deep 30, with ARR up 400% year on year, about 50 staff and customers including Asahi Group and the Tokyo Metropolitan Government.", "growth_source": "https://esgpost.com/climate-tech-platform-zevero-raises-7-million-as-global-demand-for-carbon-data-accelerates/", "company_url": "https://londonmempool.co.uk/c/zevero" }, { "rank": 233, "id": "dessn", "name": "Dessn", "sector": "AI", "tier": "up_and_coming", "score": 16, "funding": { "points": 16, "label": "Raised $6M Seed in May 2026", "source": "https://techcrunch.com/2026/05/12/dessn-raises-6m-for-its-production-focused-design-tool/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $6M seed led by Connect Ventures in May 2026 after a Moxxie-led pre-seed; customers include Mercury, Wispr and Color.", "growth_source": "https://pulse2.com/dessn-raises-6-million-to-let-product-teams-design-directly-in-the-real-codebase/", "company_url": "https://londonmempool.co.uk/c/dessn" }, { "rank": 234, "id": "round", "name": "Round", "sector": "Fintech", "tier": "up_and_coming", "score": 16, "funding": { "points": 16, "label": "Raised $6M Seed in Apr 2026", "source": "https://roundtreasury.com/post/round-raises-6m-to-build-the-ai-powered-finance-automation-platform-for-modern-finance-teams" }, "staff": null, "hiring": null, "growth_signal": "Closed a $6M seed led by Alstin Capital in Apr 2026 and has processed over $500M since launching automated workflows.", "growth_source": "https://roundtreasury.com/post/round-raises-6m-to-build-the-ai-powered-finance-automation-platform-for-modern-finance-teams", "company_url": "https://londonmempool.co.uk/c/round" }, { "rank": 235, "id": "greenpixie", "name": "Greenpixie", "sector": "Climate", "tier": "up_and_coming", "score": 16, "funding": { "points": 16, "label": "Raised £4.7M Seed in May 2026", "source": "https://www.uktech.news/cloud/greenpixie-raises-4-7m-to-decarbonise-cloud-and-ai-data-centres-20260518" }, "staff": null, "hiring": null, "growth_signal": "Closed a £4.7m pre-Series A in May 2026 led by VERBUND X Ventures with Octopus Ventures, and counts Mastercard as a client.", "growth_source": "https://www.uktech.news/cloud/greenpixie-raises-4-7m-to-decarbonise-cloud-and-ai-data-centres-20260518", "company_url": "https://londonmempool.co.uk/c/greenpixie" }, { "rank": 236, "id": "field", "name": "Field", "sector": "Climate", "tier": "fast_growing", "score": 16, "funding": null, "staff": { "points": 16, "label": "Staff 62 to 91 in a year (+47%, accounts to Mar 2025)", "source": "https://find-and-update.company-information.service.gov.uk/company/13095982/filing-history/MzQ5NTM5MDEzM2FkaXF6a2N4/document?format=pdf&download=0" }, "hiring": null, "growth_signal": "Total debt and equity raised passed £500M in Jul 2026, including new CVC DIF investment, with 490MW / 1.5GWh now operating or in construction.", "growth_source": "https://www.field.energy/views/field-reaches-financial-close-starts-construction-on-a-further-1-gwh-of-battery-storage-as-its-portfolio-of-projects-accelerates-", "company_url": "https://londonmempool.co.uk/c/field" }, { "rank": 237, "id": "juice", "name": "Juice", "sector": "Fintech", "tier": "up_and_coming", "score": 15, "funding": { "points": 15, "label": "Raised £25M in May 2025", "source": "https://fintech.global/2025/05/09/uk-fintech-lender-juice-raises-25m-to-back-sme-founders-with-non-dilutive-capital/" }, "staff": null, "hiring": null, "growth_signal": "Raised £25M of equity and debt in May 2025 from family offices Aern Capital and Falco Capital plus a Paragon Bank credit facility.", "growth_source": "https://fintech.global/2025/05/09/uk-fintech-lender-juice-raises-25m-to-back-sme-founders-with-non-dilutive-capital/", "company_url": "https://londonmempool.co.uk/c/juice" }, { "rank": 238, "id": "maze", "name": "Maze", "sector": "AI", "tier": "fast_growing", "score": 15, "funding": { "points": 15, "label": "Raised $25M Series A in Jun 2025", "source": "https://www.securityweek.com/maze-banks-25m-to-tackle-cloud-security-with-ai-agents/" }, "staff": null, "hiring": null, "growth_signal": "London-based Maze raised a $25M Series A led by Theory Ventures in June 2025, nine months after a $6M seed, taking total funding to $31M.", "growth_source": "https://www.securityweek.com/maze-banks-25m-to-tackle-cloud-security-with-ai-agents/", "company_url": "https://londonmempool.co.uk/c/maze" }, { "rank": 239, "id": "zeelo", "name": "Zeelo", "sector": "Other", "tier": "fast_growing", "score": 15, "funding": { "points": 15, "label": "Raised $23M Series B in Jun 2025", "source": "https://www.globenewswire.com/news-release/2025/06/24/3104044/0/en/Zeelo-Raises-23M-Series-B-to-Accelerate-AI-Powered-Transportation-as-a-Service-Growth-in-North-America-UK-Ireland.html" }, "staff": null, "hiring": null, "growth_signal": "Closed a $23M Series B led by Blue Earth Capital in June 2025, with clients including Amazon, Barclays and UPS and a network of 650+ vetted operator partners.", "growth_source": "https://www.globenewswire.com/news-release/2025/06/24/3104044/0/en/Zeelo-Raises-23M-Series-B-to-Accelerate-AI-Powered-Transportation-as-a-Service-Growth-in-North-America-UK-Ireland.html", "company_url": "https://londonmempool.co.uk/c/zeelo" }, { "rank": 240, "id": "zodia-markets", "name": "Zodia Markets", "sector": "Crypto", "tier": "up_and_coming", "score": 15, "funding": { "points": 15, "label": "Raised $18.3M Series A in Jul 2025", "source": "https://sc.com/en/press-release/zodia-markets-raises-over-18-million-in-series-a-fundraise" }, "staff": null, "hiring": null, "growth_signal": "Founded in 2021 with SC Ventures and OSL backing, it raised an $18.25M Series A in July 2025 led by Pharsalus Capital, with Circle Ventures also investing.", "growth_source": "https://sc.com/en/press-release/zodia-markets-raises-over-18-million-in-series-a-fundraise", "company_url": "https://londonmempool.co.uk/c/zodia-markets" }, { "rank": 241, "id": "recycleye", "name": "Recycleye", "sector": "Climate", "tier": "up_and_coming", "score": 15, "funding": null, "staff": { "points": 6, "label": "Staff 37 to 43 in a year (+16%, accounts to Sep 2024)", "source": "https://find-and-update.company-information.service.gov.uk/company/12221541/filing-history/MzQ4MzE3NjE3OWFkaXF6a2N4/document?format=pdf&download=0" }, "hiring": { "points": 9, "label": "3 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=recycleye" }, "growth_signal": "Raised a $17M Series A led by DCVC in February 2023 and has systems installed across Europe, Australia and the United States.", "growth_source": "https://recycleye.com/raises-17m-in-series-a/", "company_url": "https://londonmempool.co.uk/c/recycleye" }, { "rank": 242, "id": "umony", "name": "Umony", "sector": "AI", "tier": "up_and_coming", "score": 15, "funding": { "points": 15, "label": "Raised $15M Series A in Sep 2025", "source": "https://fintech.global/?p=216387" }, "staff": null, "hiring": null, "growth_signal": "Raised a $15M Series A led by Notion Capital in September 2025 and is used by over 100 international banks.", "growth_source": "https://fintech.global/?p=216387", "company_url": "https://londonmempool.co.uk/c/umony" }, { "rank": 243, "id": "goodfit", "name": "GoodFit", "sector": "AI", "tier": "fast_growing", "score": 15, "funding": { "points": 15, "label": "Raised $13M Series A in Sep 2025", "source": "https://siliconcanals.com/goodfit-lands-11m/" }, "staff": null, "hiring": null, "growth_signal": "Team of around 26 people in London has tripled in two years, serving customers such as Personio, Clari and Chili Piper, after a $13M Series A led by Notion Capital.", "growth_source": "https://www.goodfit.io/careers/", "company_url": "https://londonmempool.co.uk/c/goodfit" }, { "rank": 244, "id": "wonder-studios", "name": "Wonder Studios", "sector": "AI", "tier": "up_and_coming", "score": 15, "funding": { "points": 15, "label": "Raised $12M Seed in Oct 2025", "source": "https://wonderstudios.com/about" }, "staff": null, "hiring": null, "growth_signal": "Raised a $12M seed in October 2025 from LocalGlobe, Atomico and Blackbird, and now has a 35+ person team across London, LA, NYC and SF.", "growth_source": "https://wonderstudios.com/about", "company_url": "https://londonmempool.co.uk/c/wonder-studios" }, { "rank": 245, "id": "reelables", "name": "Reelables", "sector": "Deeptech", "tier": "up_and_coming", "score": 15, "funding": { "points": 15, "label": "Raised $10.4M Series A in Nov 2025", "source": "https://www.globenewswire.com/news-release/2025/11/17/3189146/0/en/Reelables-Secures-10-4M-in-Series-A-Funding-to-Advance-Active-Smart-Label-Technology.html" }, "staff": null, "hiring": null, "growth_signal": "Raised a $10.4M Series A in November 2025 with Amigos Ventures, Silicon Labs and Raptor Group, and reported more than 200% growth that year.", "growth_source": "https://www.globenewswire.com/news-release/2025/11/17/3189146/0/en/Reelables-Secures-10-4M-in-Series-A-Funding-to-Advance-Active-Smart-Label-Technology.html", "company_url": "https://londonmempool.co.uk/c/reelables" }, { "rank": 246, "id": "prosapient", "name": "proSapient", "sector": "Other", "tier": "up_and_coming", "score": 15, "funding": null, "staff": null, "hiring": { "points": 15, "label": "9 open London roles now", "source": "https://londonmempool.co.uk/jobs?company=prosapient" }, "growth_signal": "Named to Tech Nation Future Fifty 2025 and to the FT1000 list of Europe's fastest-growing companies in 2022, 2023 and 2024.", "growth_source": "https://technation.io/future-fifty-2025-cohort-2/", "company_url": "https://londonmempool.co.uk/c/prosapient" }, { "rank": 247, "id": "wealthyhood", "name": "Wealthyhood", "sector": "Fintech", "tier": "up_and_coming", "score": 15, "funding": { "points": 15, "label": "Raised €6M in Mar 2026", "source": "https://fintech.global/2026/03/05/wealthyhood-raises-e6m-from-bank-of-cyprus-for-eu-growth/" }, "staff": null, "hiring": null, "growth_signal": "Closed a EUR6M round led by Bank of Cyprus in Mar 2026, with 60,000+ UK users and 10,000+ in Greece soon after launch.", "growth_source": "https://fintech.global/2026/03/05/wealthyhood-raises-e6m-from-bank-of-cyprus-for-eu-growth/", "company_url": "https://londonmempool.co.uk/c/wealthyhood" }, { "rank": 248, "id": "refute", "name": "Refute", "sector": "Defence", "tier": "up_and_coming", "score": 15, "funding": { "points": 15, "label": "Raised £5M Seed in Feb 2026", "source": "https://tech.eu/2026/02/03/refute-raises-ps5m-seed-round-to-address-disinformation-threats/" }, "staff": null, "hiring": null, "growth_signal": "Raised a £5M seed round in February 2026 led by Amadeus Capital Partners, with Playfair, Episode 1, Osney Capital and the National Security Strategic Investment Fund participating.", "growth_source": "https://tech.eu/2026/02/03/refute-raises-ps5m-seed-round-to-address-disinformation-threats/", "company_url": "https://londonmempool.co.uk/c/refute" }, { "rank": 249, "id": "benford", "name": "Benford", "sector": "Fintech", "tier": "up_and_coming", "score": 15, "funding": { "points": 15, "label": "Raised $5.7M Pre-seed in Sep 2026", "source": "https://www.vcbacked.co/company/benford" }, "staff": null, "hiring": null, "growth_signal": "Raised a $5.7M pre-seed in September 2026 from Global Founders Capital and firstminute, with Qonto co-founder Alexandre Prot as an angel.", "growth_source": "https://www.vcbacked.co/company/benford", "company_url": "https://londonmempool.co.uk/c/benford" }, { "rank": 250, "id": "ai-score", "name": "AI Score", "sector": "AI", "tier": "up_and_coming", "score": 15, "funding": { "points": 15, "label": "Raised $5.4M Seed in Sep 2026", "source": "https://aiscore.ai/funding-annoucement/" }, "staff": null, "hiring": null, "growth_signal": "Raised a $5.4M seed led by Fuel Ventures in Sep 2026 after a $1M pre-seed in Nov 2025, and grew revenue 6.7x in H1 2026.", "growth_source": "https://aiscore.ai/funding-annoucement/", "company_url": "https://londonmempool.co.uk/c/ai-score" } ] }