Investments abroad · Accelerator · United States

Y Combinator's investments in the United Kingdom

Y Combinator, based in the United States, has backed 117 startups in the United Kingdom in rounds we track, $4.4B between them, grouped by their main sector.

117startups backed
12sectors
$4.4Braised between them
AIbiggest sector

Y Combinator's whole portfolioY Combinator's profile

AI

39

+15 more

Fintech

15

B2B

10

Advertising & Adtech

8

Biotech

7

IT Services

7

Consumer Apps

7

Healthtech

7

Cleantech

5

Developer Tools

4

Internet

4

Web3 & Crypto

4

Segment by segment

AI

39 startups · $1.3B raised

  1. RecursiveRecursive self-improving superintelligence to automate knowledge discovery.United Kingdom$650M
  2. CeraCera is Europe's largest digital-first home healthcare company, providing technology-enabled care, nursing, telehealth, and repeatUnited Kingdom$168M
  3. SonaSona is a workforce management platform for frontline enterprises like care homes, restaurants, and hotels.United Kingdom$79M
  4. Stability AIStability AI is an artificial intelligence-driven visual art startup that designs and implements open AI tools.United Kingdom$76M
  5. Easoleasol is a joint venture of INTREAL and control IT.United Kingdom$55M
  6. TTraceArtist led curation and publishing project concerned mainly with photography.United Kingdom$54M
  7. Mesh-AIMesh-AI is a consulting firm that offers data engineering, software, artificial intelligence, and consulting services.United Kingdom$30M
  8. RelaceRelace AI platform generates custom made LLMs to create better models.United Kingdom$25M

Fintech

15 startups · $1.4B raised

  1. GoCardlessGoCardless helps 75,000+ businesses get paid on time.United Kingdom$442M
  2. CarmoolaCruise through car finance.United Kingdom$409M
  3. TRIVERTriver is a London-based fintech company that specializes in cash flow financing for small and medium-sized enterprises (SMEs).United Kingdom$174M
  4. AsporaAspora is a cross-border finance and remittance company that helps non-resident Indians (NRIs) and global Indians manage their monUnited Kingdom$103M
  5. LanternLantern helps capture the essence of a brand through strategy and design, creating stories that resonate in a connecting style.United Kingdom$67M
  6. SiftSift applies insights from a global network of data to detect fraud and increase positive user experience.United Kingdom$64M
  7. Thought MachineOur team’s mission is a bold one – to create technology that can run the world’s banks according to the best designs and software United Kingdom$62M
  8. HRHidden RoadHidden Road is the global credit network for institutional investors and provides easy access to both traditional and digital markets.United Kingdom$50M

B2B

10 startups · $110M raised

  1. SSequenceSequence is a creative digital agency developing brands, digital products and connected experiences that engage people and build businesses.United Kingdom$73M
  2. Trigger.devTrigger.dev is an open-source platform that enables developers to build and deploy fully-managed AI agents and event-driven workflUnited Kingdom$17M
  3. HapplHappl, based in London, is an AI-powered global employee benefits and engagement platform founded in 2020 by Ben Towers and Mike Rose.United Kingdom$8.0M
  4. PayablePayable is the best way to pay your contractors and stay compliant.United Kingdom$6.1M
  5. ArgusArgus develops a platform designed to automate the employee trade compliance process.United Kingdom$2.8M
  6. AklimateAklimate is an IT company that develops carbon management tools to track and reduce supply chain emissions.United Kingdom$1.1M
  7. EvorraEvorra is a privacy-first B2B SaaS data clean room platform and marketplace based in Mayfair, London.United Kingdom$1.0M
  8. QuaryAccessible data transformationsUnited Kingdom$500K

Advertising & Adtech

8 startups · $317M raised

  1. CerosCeros is a cloud-based, no-code platform that enables marketers, designers, and creative teams to create interactive digital experiences.United Kingdom$120M
  2. VelocityOur mission at Velocity is to help founders go further, faster.United Kingdom$105M
  3. PermutivePermutive is a London-based technology company that specializes in predictive data collaboration for the open internet.United Kingdom$76M
  4. ZZyperUnited Kingdom$6.5M
  5. Lumen ResearchLumen is a specialist eye tracking research agency based in London, who help optimise advertising across a number of platforms.United Kingdom$3.8M
  6. LightBox TVLightBox TV is a UK-based AdTech and Media Technology company that focuses on transforming television advertising through AI-driveUnited Kingdom$2.0M
  7. HerHER is a dating application for FLINTA & queer women, allowing users to connect with each other and their community.United Kingdom$2.0M
  8. Picnic Media LimitedPicnic is a provider of advertising products for various KPIs.United Kingdom$1.3M

Biotech

7 startups · $104M raised

  1. Ochre BioOchre Bio is a biotechnology company based in Oxford, United Kingdom, founded in 2019.United Kingdom$30M
  2. WWrenUnited Kingdom$21M
  3. SAVASava is a multi-management platform that provides an unlimited number of virtual cards as well as automated accounting reconciliation.United Kingdom$21M
  4. MytosMytos, also known as Mytos Bio, is a London-based biotechnology company founded in 2016 by Ali Afshar and Ignacio Willats.United Kingdom$19M
  5. Sixfold BioscienceSixfold Bioscience develops and researches on biotechnology advances for RNA therapies.United Kingdom$8.3M
  6. BIOSBIOS Middle East, a ZainTECH company is an award-winning Managed Service & Cloud Provider established in 2002 in the UAE and commiUnited Kingdom$5.5M
  7. MetoficoMetofico is a life science data science company based in London, founded in 2021.United Kingdom$500K

IT Services

7 startups · $64M raised

  1. ProlificProlific Ltd is a London-based technology company founded in 2014 by Phelim Bradley and Ekaterina Damer.United Kingdom$32M
  2. AbatableAbatable is a London-based technology-enabled platform focused on carbon procurement and market intelligence.United Kingdom$14M
  3. ReelablesReelables is a technology company founded in 2018, based in London, United Kingdom.United Kingdom$10M
  4. VersoriVersori is a technology group that develops and maintains software products for business and enterprise use.United Kingdom$5.5M
  5. VouchsafeVouchsafe is a London-based technology company founded in 2022, specializing in identity verification and anti-fraud solutions.United Kingdom$1.3M
  6. SchemeFlowSchemeFlow is an AI-powered technology company based in London, UK, that specializes in automating technical report generation forUnited Kingdom$500K
  7. TaskPipesTaskPipes automates repetitive data processing tasks.United Kingdom$120K

Consumer Apps

7 startups · $66M raised

  1. RaycastRaycast is a London-based productivity software company founded in 2020 by former Facebook engineers Thomas Paul Mann and Petr Nikolaev.United Kingdom$30M
  2. MinimumMinimum has developed an Enterprise-grade climate impact modelling system, specializing in serving large, complex, distributed enterprises.United Kingdom$13M
  3. LinkupLinkup is a French technology startup founded in 2024 and based in Paris.United Kingdom$10M
  4. DevyceDevyce creates a VoIP operating system that offers communication system with flexibility, scalability, and dependability.United Kingdom$8.1M
  5. AudiencesAUDIENCES is an independent enterprise software company based in London, UK.United Kingdom$2.8M
  6. CamlistCamlist is a mobile app that allows user to buy and sell anything related to pets, pet services, and pet accessories.United Kingdom$1.3M
  7. ForfeitForfeit lets you put real money on your habits.United Kingdom$500K

Healthtech

7 startups · $321M raised

  1. NourishNourish connects people with a Registered Dietitian via telehealth and gets it covered by their health insurance.United Kingdom$173M
  2. BHBig HealthUnited Kingdom$125M
  3. Valink TherapeuticsValink Therapeutics is a biotechnology company focused on developing innovative bispecific antibody-drug conjugates (bsADCs) and cUnited Kingdom$12M
  4. CleancardWe are combining synthetic biology and artificial intelligence to make cancer screening as easy as a pregnancy test.United Kingdom$5.3M
  5. Mable (Neurolytic Healthcare)Mable Health is a Canadian company focused on mobility care and musculoskeletal health.United Kingdom$3.2M
  6. KlarismoFully-automated Quantitative MR Image Analysis.United Kingdom$2.5M
  7. Cambridge Mask CoCambridge Mask Co is a UK-based company founded in 2014 that specializes in designing and selling reusable face respirators.United Kingdom$350K

Cleantech

5 startups · $78M raised

  1. ConvergeConstruction Technology.United Kingdom$69M
  2. IteroItero is a technology company based in London, United Kingdom, specializing in chemical recycling.United Kingdom$6.1M
  3. MoltexFLEXMoltexFLEX is developing the advanced small modular FLEX reactor and GridReserve energy storage system.United Kingdom$1.7M
  4. SeaboundSeabound is a carbon capture technology company.United Kingdom$1.5M
  5. HeimdalHeimdal is a climate technology company that specializes in direct air capture (DAC) technology to remove CO2 from the atmosphere.United Kingdom$40K

Developer Tools

4 startups · $68M raised

  1. FIDEL APIFidel API is a global financial infrastructure platform that provides developers with a suite of APIs to connect payment cards, suUnited Kingdom$65M
  2. DataformDataform manages data pipelines in data warehouse.United Kingdom$2.0M
  3. Stitch TechnologiesStitch Technologies is a U.S.-focused company dedicated to enhancing manufacturing through sustainable practices and advanced technology.United Kingdom$500K
  4. cubicCubic3 is a Dublin-based leader in software-defined vehicle (SDV) connectivity, specializing in advanced IoT solutions and cloud platforms.United Kingdom$500K

Internet

4 startups · $66M raised

  1. SSongkickUnited Kingdom$48M
  2. FLFat LamaUnited Kingdom$10M
  3. MMuzmatchUnited Kingdom$7.0M
  4. SimpleX ChatSimpleX Chat is an open-source, decentralized communication network based in London, UK.United Kingdom$1.3M

Web3 & Crypto

4 startups · $538M raised

  1. TempoTempo is a home fitness platform, combining equipment, training guidance, and social motivation with 3D sensors and artificial intelligence.United Kingdom$514M
  2. Potion LabsPotion Labs is a base layer for a wide range of asset risk-management applications.United Kingdom$12M
  3. ZZincUnited Kingdom$6.3M
  4. LIQUITYLiquity is a decentralized borrowing protocol on Ethereum that allows users to take out 0% interest loans using Ether (ETH) and LiUnited Kingdom$6.2M

How this map is made. Every startup here has raised money in a round we track that names Y Combinator as an investor and is based in United Kingdom. Each sits under its main sector, read from its rounds, and each shows its best-funded first. Rebuilt nightly; updated 15 November 2026.

More portfolio maps

All portfolios
Investments abroadY Combinator's investments in Canada87 startups · $6.9BInvestments abroadY Combinator's investments in India61 startups · $1.9BInvestments abroadY Combinator's investments in Singapore37 startups · $632MInvestments abroadY Combinator's investments in France37 startups · $325MInvestments abroadY Combinator's investments in Brazil24 startups · $656MInvestments abroadY Combinator's investments in Germany23 startups · $294M

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