Startup accelerators in the United Kingdom: who backs its startups
67 accelerators back startups in the United Kingdom: they run there or hold at least two portfolio companies based there, 1,371 portfolio startups in all. The most active here are Entrepreneur First (282), Techstars (198) and Founders Factory (182).
Accelerators by their portfolio companiesRebuilt 5 Nov 2026
accelerators
67
portfolio startups
1,371
Accelerators backing startups in the United Kingdom
| Accelerator | Startups here | Portfolio rounds, 12 mo | Latest activity |
|---|---|---|---|
 Entrepreneur FirstAccelerator · United Kingdom · Era Compute, Goldfish, Tacit Intelligence | 282 | 58 | Oct 2026 |
 TechstarsAccelerator · United States · Aiir, Rainbird, Captain | 198 | 97 | Oct 2026 |
 Founders FactoryAccelerator · United Kingdom · Vidsy, Xapien, NWS | 182 | 26 | Oct 2026 |
 Y CombinatorAccelerator · United States · withHuman, Artil, Canos | 158 | 255 | Oct 2026 |
 AntlerAccelerator · Singapore · Further, Flowla, Cloud Cycle | 87 | 53 | Nov 2026 |
 SeedcampAccelerator · United Kingdom · Synthesia, Revolut, QuestDB | 85 | 58 | Oct 2026 |
 Plug and PlayAccelerator · United States · What3Words, Scan.com, Tractable | 53 | 154 | Nov 2026 |
 500 GlobalAccelerator · United States · 9fin, Ottimate, Codec | 49 | 35 | Oct 2026 |
| CCambridge EnterpriseAccelerator · United Kingdom · Intellegens, Riverlane, Nu Quantum | 44 | 28 | Sep 2026 |
 Oxford Science EnterprisesAccelerator · United Kingdom · Prolific, Quantum Motion, Mind Foundry | 31 | 42 | Nov 2026 |
 Hub71Accelerator · United Arab Emirates · Turintech, Everybody Counts, Brickwise | 30 | 18 | Oct 2026 |
 UCL Technology FundAccelerator · United Kingdom · Synthesia, Gigaton, Implexis | 26 | 19 | Sep 2026 |
 Imperial College LondonAccelerator · United Kingdom · Monolith AI, Polaron, TympaHealth | 24 | 16 | Oct 2026 |
 EndeavorAccelerator · United States · Revolut, Solidgate, Hack The Box | 21 | 55 | Oct 2026 |
 SOSVAccelerator · United States · Carv, HausBots, Metal Light | 17 | 35 | Oct 2026 |
 GROWAccelerator · Singapore · Impact Solutions, Crover, Amatera | 17 | 7 | Oct 2026 |
 Sustainable VenturesAccelerator · United Kingdom · Hiyacar, Further, Anzen Innovations | 13 | 22 | Oct 2026 |
 Seraphim SpaceAccelerator · United Kingdom · Skyrora, Angoka, Frontier Space | 9 | 21 | Sep 2026 |
 SC VenturesAccelerator · Singapore · Thought Machine, Standard Chartered, Callsign | 9 | 3 | May 2026 |
 ZincAccelerator · United Kingdom · Material Index, Cordon Technologies Ltd logo, Microsol | 9 | 3 | Sep 2026 |
 Silicon Valley InvestclubAccelerator · Blockchain.com, Index Ventures, Wayve | 8 | 45 | Oct 2026 |
 InMotion VenturesAccelerator · United Kingdom · Bumper, Carmoola, Zeelo | 8 | 10 | Sep 2026 |
 Deep Science VenturesAccelerator · Concr, Mission Zero Technologies, Mytos | 8 | 8 | Sep 2026 |
 Bethnal Green VenturesAccelerator · United Kingdom · Chatterbox, Piclo, Aparito | 8 | 1 | Nov 2025 |
 Science CreatesAccelerator · United Kingdom · Open Bionics, Forefront RF, Build With Simon | 7 | 2 | Sep 2026 |
 QUBISAccelerator · United Kingdom · Kainos, Analytics Engines, AMPLY Discovery | 7 | 1 | Feb 2026 |
 StartLifeAccelerator · Netherlands · Resurrect Bio, Arborea, Plantik Biosciences | 6 | 12 | Sep 2026 |
 Elemental ImpactAccelerator · United States · Hived, Seabound, Origen Carbon | 6 | 11 | Sep 2026 |
 Loyal VCAccelerator · Finverity, Ambr AI, Curveblock | 6 | 6 | Sep 2026 |
 i5investAccelerator · Austria · Cphi, MWC Barcelona, 4YFN Barcelona 2026 | 6 | 1 | Feb 2026 |
 Blenheim ChalcotAccelerator · United Kingdom · Modulr, Liberis, Salary Finance | 6 | 1 | Oct 2026 |
 Blenheim ChalcotAccelerator · United Kingdom · Modulr, Liberis, Salary Finance | 6 | 1 | Oct 2026 |
 ExpaAccelerator · United States · Zeroheight, Starling Bank, Ochre Bio | 5 | 9 | Oct 2026 |
 BetaworksAccelerator · United States · Stability AI, Bitly, Granola | 5 | 8 | Aug 2026 |
 CDP Venture CapitalAccelerator · Italy · BKN301, Wise, Algebris Investments | 5 | 4 | Oct 2026 |
| KKAUSTAccelerator · Saudi Arabia · Agile Loop, Kestrl: Muslim Money App, Twinn Health | 5 | 4 | Jul 2026 |
| AAkcelaAccelerator · United Kingdom · Ashtons Legal, Tech Educators, Lovewell Blake | 5 | 2 | Jan 2026 |
 TinySeedAccelerator · Growform, 4admin, marllm | 5 | – | – |
 BrincAccelerator · Hong Kong · Vycarb, Omni, CAREFUL | 5 | – | – |
| HHelmholtzAccelerator · Germany · Ocean Ledger, Cool Planet Technologies, Arctic Research & Development Ltd. | 4 | 9 | Oct 2026 |
The most backed startups in the United Kingdom
| Startup | Investors in this list |
|---|---|
 Circeus | 3 |
 MatNex | 3 |
 X-Centric Sciences | 3 |
 Prospectral | 3 |
 Revolut | 3 |
 Digistain | 3 |
 Zeroheight | 3 |
 Ochre Bio | 3 |
 autone | 3 |
 xWatts | 3 |
 Gigaton | 3 |
 Hubble | 3 |
 Second Nature | 3 |
 Axiom Therapeutics | 3 |
 Plantik Biosciences | 3 |
More on startups in the United Kingdom
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Tell us about your startup once: Alion matches it to the accelerators and funds that back companies like it in the United Kingdom.
Questions
Which accelerators back startups in the United Kingdom?
67 accelerators back startups in the United Kingdom: they run there or hold at least two portfolio companies based there, 1,371 portfolio startups in all. The most active here are Entrepreneur First (282), Techstars (198) and Founders Factory (182).
How is this list built?
From what each accelerator holds: the portfolio page it publishes, the Y Combinator directory and the announced rounds that name it. An accelerator counts for United Kingdom when it runs there or at least two of its portfolio companies are based there; the list is rebuilt every night from 342 portfolios.
Source: investors' portfolio pages and announced rounds, 342 portfoliosUpdated 5 Nov 2026MethodologyJSONCC BY-SA 4.0