Other/Up and coming

Duffel

APIs that let businesses search, book and manage flights and hotel stays inside their own products.

Why it's here

Backed by Index Ventures and Benchmark, its flights and stays APIs are used by companies including Rippling, TravelBank and Ascenda.

Focus: Travel APIs
Founded: 2017
Total raised: $56Msource: tech.eu
Latest round: Series B, $30M, Oct 2019
Team size: 11-50 people
Registered office: 43 Worship Street, London, Hackney EC2A 2DUsource: duffel.com
London presence: HQsource: ycombinator.com
Investors: Index Ventures (lead), Benchmark, Blossom Capitalsource: tech.eu
Accelerator: Y Combinator S18source: ycombinator.com
Area: Shoreditch & Old Street
Nearest station: Liverpool Street, 480 m
Companies House: DUFFEL TECHNOLOGY LTD (11188295, active)Incorporated 5 Feb 2018 · SIC 62090
Hiring: 9 open roles in London ↗Public job board, checked 9 Oct 2026
Work model: Hybrid (from 6 London job posts)Current job posts only, checked 9 Oct 2026. Howsource: jobs.ashbyhq.com
Visas: Licensed visa sponsor, listed as Duffel Technology Ltdsource: gov.uk
Elsewhere: LinkedIn ↗

For Duffel