Top AI startups in the United Kingdom
243 AI-native startups are based in the United Kingdom, 5 of them valued at $1bn or more. 125 were founded in the last three years.
- 1NscaleArtificial Intelligence. Valued at $14.6bn (March 2026).London$14.6bn
- 2ElevenLabsVoice synthesis and audio AI.London$11bn
- 3Ineffable IntelligenceReinforcement learning lab founded by the AlphaGo research lead.London$5.1bn
- 4SynthesiaAI video generation with digital presenters.London$1bn
- 5TractableArtificial intelligence. Valued at $1+bn (June 2021).London$1bn
- 6Stability AIOpen image, video and audio generation models.LondonFounded 2019
- 7ReactWiseAI Co-Pilot for Chemical Process OptimizationCambridgeEarly stage
- 8Model MLThe AI for Financial Services.LondonGrowth
- 9ProlificMaking diverse, high-quality data easily available to anyone, anywhereLondonEarly stage
- 10EncordThe data layer for physical AILondonGrowth
- 11ConveoGrowth through always‑on consumer understandingLondonGrowth
- 12Solve IntelligenceAI patent drafting, prosecution, litigation and more for legal teams.LondonGrowth
- 13throxyVertical AI agents running B2B outbound on autopilot, with human SDRsLondonEarly stage
- 14zeroheightThe design system layer for coding agentsLondonGrowth
- 15HumaansAI-Powered HRIS for high performing teamsLondonGrowth
- 16Healthtech 1Navigating patients to the right place, first time.LondonEarly stage
- 17&aboveDesign-led AI product studio.LondonFounded 2018
- 18AI AwareUK AI detection software company.LondonFounded 2023
- 19AmplienceBritish software company providing a content operations platform for commerce.LondonFounded 2008
- 20AripsyAI study tool that turns students' own notes into revision notes, flashcards and practice questions.LondonFounded 2026
- 21Ayoob AIAI software company based in Newcastle upon Tyne, England.Newcastle upon TyneFounded 2024
- 22BolterAI-native messaging platform for automating business processes, incubated by Improbable (London, 2026).LondonFounded 2026
- 23Cognitive VideosBritish artificial intelligence video generation company.ReadingFounded 2023
- 24ComplaixOperational AI Governance platform, United Kingdom.United KingdomFounded 2026
- 25CUBIGSouth Korean software company that builds an AI-ready data operating layer for enterprise AI.BelfastFounded 2021
- 26DwellyUK property management company operating an AI-native lettings agency platform.LondonFounded 2023
- 27Echo AIAI agent software platform.DundeeFounded 2026
- 28Eclipse Labs AI LtdBritish software company developing AI-driven marketplace technology.United KingdomFounded 2026
- 29economAIcs Group LtdBritish software company developing AI tools and specialist AI consulting for the public transport industry.WorcesterFounded 2026
- 30EnzaiAI governance platform.BelfastFounded 2021
- 31FacultyApplied AI for government and enterprise.LondonFounded 2014
- 32FinanceGPTGenerative artificial intelligence platform for financial services, analysis and research.LondonFounded 2022
- 33Great Wave AIUK Sovereign GenAI Agent Orchestration Platform. Built for Police, Government & Enterprise.LondonFounded 2021
- 34HoraizonBritish–Danish artificial intelligence consultancy.LondonFounded 2024
- 35MasheevAI customer communications platform.LondonFounded 2026
- 36Melanized LimitedBritish deep-tech, automation and consultancy company.CoventryFounded 2023
- 37merchi.aiBritish AI retail merchandising software company.LondonFounded 2024
- 38MickaiBritish sovereign artificial intelligence company, developer of the Mickai Sovereign Intelligence Operating System.LondonFounded 2025
- 39NightOwl AIAI company working on low-resource languages.LondonFounded 2024
- 40NiraNexus LtdMulti-model adversarial deliberation infrastructure.LondonFounded 2025
- 41OnkyBritish enterprise AI assistant company.LondonFounded 2025
- 42OZRIC AI LimitedBritish artificial intelligence company.ManchesterFounded 2026
- 43PapleadB2B AI sales automation software.LondonFounded 2026
- 44PelianBritish artificial intelligence software company.LondonFounded 2023
- 45PixelikAI engineering studio in London, United Kingdom.LondonFounded 2026
- 46PlagiarismCheckA software-as-a-service platform for plagiarism and AI detection.SurreyFounded 2011
- 47Porchlight HospitalityBritish company making an AI phone host and booking system for pubs and restaurants.Market RasenFounded 2026
- 48Procure AiBritish company developing artificial intelligence software for procurement.LondonFounded 2020
- 49Pryme IntelligenceBritish software company that builds a platform for training and deploying AI agents.Kingston upon ThamesFounded 2026
- 50RessetiBritish educational technology company.CambridgeFounded 2024
The top 50 of 243. Everything else is on the United Kingdom page.
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How this list is ranked
By a notability score built from public facts: valuation, a stock market listing, open-model downloads on Hugging Face, team size, a Wikidata entry and a verified owner. Nobody pays to rank higher. Rebuilt every morning. Methodology · Is your company here? Claim it.