# Top 50 Startups in the United Kingdom by Funding (2026)

> The 50 best-funded startups in the United Kingdom, ranked by total funding raised: $79B combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/startups-united-kingdom (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Sizewell C** Doing the power of good for Britain](https://millionrounds.com/company/sizewell-c) Doing the power of good for Britain *Founded* - Leiston, United Kingdom **$7.2B** last round Nov 2025
- 2 [**Nscale**](https://millionrounds.com/company/nscale) *Founded* 2025 United Kingdom **$6.9B** last round Sept 2026
- 3 [**Finastra** Finastra provides the broadest portfolio of financial services software.](https://millionrounds.com/company/finastra) Finastra provides the broadest portfolio of financial services software. *Founded* 1970 London, United Kingdom **$5.3B** last round Aug 2023
- 4 [**ARGO AI** Argo AI was an autonomous driving technology company based in Pittsburgh, Pennsylvania, founded in 2016 by Bryan Salesky and Peter Rander.](https://millionrounds.com/company/argo-ai) Argo AI was an autonomous driving technology company based in Pittsburgh, Pennsylvania, founded in 2016 by Bryan Salesky and Peter Rander. *Founded* 2016 Pittsburgh, United Kingdom **$3.6B** last round Nov 2024
- 5 [**OneWeb** OneWeb is building a space-based communications network that delivers high-speed, low-latency internet access.](https://millionrounds.com/company/oneweb) OneWeb is building a space-based communications network that delivers high-speed, low-latency internet access. *Founded* 2012 Winchester, United Kingdom **$3.3B** last round Aug 2021
- 6 [**Isomorphic Labs** Isomorphic Labs is a London-based artificial intelligence company focused on transforming the drug discovery process.](https://millionrounds.com/company/isomorphic-labs) Isomorphic Labs is a London-based artificial intelligence company focused on transforming the drug discovery process. *Founded* 2021 London, United Kingdom **$3.1B** last round May 2026
- 7 [**SSE**](https://millionrounds.com/company/sse) *Founded* 1998 Perth, United Kingdom **$2.7B** last round Jun 2026
- 8 [**Pure Data Centres** Pure specialises in the design, build and operation of ‘White Label’ data centres for global clients.](https://millionrounds.com/company/pure-data-centres) Pure specialises in the design, build and operation of ‘White Label’ data centres for global clients. *Founded* 2013 London, United Kingdom **$2.7B** last round May 2026
- 9 [**Trident Royalties plc** Trident Royalties is a mining royalty company.](https://millionrounds.com/company/trident-royalties-plc) Trident Royalties is a mining royalty company. *Founded* 2018 London, United Kingdom **$2.3B** last round Mar 2024
- 10 [**Kore Potash** Kore Potash is an advanced stage mineral exploration and development company.](https://millionrounds.com/company/kore-potash) Kore Potash is an advanced stage mineral exploration and development company. *Founded* 2010 London, United Kingdom **$2.2B** last round Jun 2025
- 11 [**Wayve** Wayve Technologies Ltd is a British company focused on developing self-driving vehicle systems.](https://millionrounds.com/company/wayve) Wayve Technologies Ltd is a British company focused on developing self-driving vehicle systems. *Founded* 2017 London, United Kingdom **$1.8B** last round Apr 2026
- 12 [**Deliveroo** From food to flowers, gifts to groceries, we bring the best of your neighbourhood to your door.](https://millionrounds.com/company/deliveroo) From food to flowers, gifts to groceries, we bring the best of your neighbourhood to your door. *Founded* 2013 London, United Kingdom **$1.5B** last round Dec 2021
- 13 [**EXA Infrastructure** EXA Infrastructure is the largest dedicated digital infrastructure platform in Europe, linking North America and Asia via the Middle East.](https://millionrounds.com/company/exa-infrastructure) EXA Infrastructure is the largest dedicated digital infrastructure platform in Europe, linking North America and Asia via the Middle East. *Founded* 2021 London, United Kingdom **$1.5B** last round Oct 2025
- 14 [**Funding Circle** Funding Circle is a lending platform for small businesses.](https://millionrounds.com/company/funding-circle) Funding Circle is a lending platform for small businesses. *Founded* 2009 London, United Kingdom **$1.5B** last round Feb 2026
- 15 [**UFORCE** UFORCE is a Ukrainian defense technology company focused on developing and manufacturing advanced military technologies, particularly unmanned platforms for air](https://millionrounds.com/company/uforce) UFORCE is a Ukrainian defense technology company focused on developing and manufacturing advanced military technologies, particularly unmanned platforms for air *Founded* - London, United Kingdom **$1.4B** last round Nov 2026
- 16 [**AtlasEdge** AtlasEdge is an edge platform delivering digital infrastructure to customers.](https://millionrounds.com/company/atlasedge) AtlasEdge is an edge platform delivering digital infrastructure to customers. *Founded* 2021 London, United Kingdom **$1.4B** last round May 2026
- 17 [**CityFibre** CityFibre operates as an independent provider of fiber infrastructure in secondary cities.](https://millionrounds.com/company/cityfibre) CityFibre operates as an independent provider of fiber infrastructure in secondary cities. *Founded* 2011 London, United Kingdom **$1.4B** last round Jul 2025
- 18 [**Revolut** Revolut is a financial technology company that offers banking services, money transfers, foreign exchange, and spending analytics.](https://millionrounds.com/company/revolut) Revolut is a financial technology company that offers banking services, money transfers, foreign exchange, and spending analytics. *Founded* 2015 London, United Kingdom **$1.3B** last round Oct 2026
- 19 [**Generation Home** Generation Home is a new mortgage lender dedicated to making homeownership work better for everyone.](https://millionrounds.com/company/generation-home) Generation Home is a new mortgage lender dedicated to making homeownership work better for everyone. *Founded* 2019 London, United Kingdom **$1.3B** last round Jan 2022
- 20 [**Checkout.com** Checkout.com is a global provider of payment solutions that help businesses and communities thrive in the digital economy.](https://millionrounds.com/company/checkout-com) Checkout.com is a global provider of payment solutions that help businesses and communities thrive in the digital economy. *Founded* - London, United Kingdom **$1.2B** last round Jan 2025
- 21 [**CNH Industrial** CNH Industrial Osterreich GmbH manufactures and supplies tractors and precision advanced farming systems.](https://millionrounds.com/company/cnh-industrial) CNH Industrial Osterreich GmbH manufactures and supplies tractors and precision advanced farming systems. *Founded* 2012 Basildon, United Kingdom **$1.2B** last round Jun 2026
- 22 [**Rolls-Royce SMR** Rolls-Royce SMR specializes in producing factory-built nuclear power plants and offers sustainable, low-cost energy solutions.](https://millionrounds.com/company/rolls-royce-smr) Rolls-Royce SMR specializes in producing factory-built nuclear power plants and offers sustainable, low-cost energy solutions. *Founded* 2021 Derby, United Kingdom **$1.2B** last round Apr 2026
- 23 [**Recursive Superintelligence**](https://millionrounds.com/company/recursive-superintelligence) *Founded* - United Kingdom **$1.1B** last round Apr 2026
- 24 [**Ineffable Intelligence** Ineffable Intelligence develops machine learning systems that learn through interaction and experience.](https://millionrounds.com/company/ineffable-intelligence) Ineffable Intelligence develops machine learning systems that learn through interaction and experience. *Founded* 2025 London, United Kingdom **$1.1B** last round Apr 2026
- 25 [**CMR Surgical** CMR Surgical is a British medical device company based in Cambridge, UK, focused on developing and manufacturing robot-assisted surgery systems.](https://millionrounds.com/company/cmr-surgical) CMR Surgical is a British medical device company based in Cambridge, UK, focused on developing and manufacturing robot-assisted surgery systems. *Founded* 2014 Milton, United Kingdom **$1.1B** last round Oct 2026
- 26 [**Fractile** Fractile is a UK-based technology company and semiconductor startup founded in 2022 by Dr.](https://millionrounds.com/company/fractile) Fractile is a UK-based technology company and semiconductor startup founded in 2022 by Dr. *Founded* 2022 London, United Kingdom **$960M** last round Oct 2026
- 27 [**Tabeo** Tabeo is a payments and contact management system for the healthcare sector.](https://millionrounds.com/company/tabeo) Tabeo is a payments and contact management system for the healthcare sector. *Founded* 2017 London, United Kingdom **$960M** last round Jun 2024
- 28 [**CuspAI** CuspAI is an innovative artificial intelligence company based in Cambridge, United Kingdom, with additional teams in Amsterdam and Berlin.](https://millionrounds.com/company/cuspai) CuspAI is an innovative artificial intelligence company based in Cambridge, United Kingdom, with additional teams in Amsterdam and Berlin. *Founded* 2024 Cambridge, United Kingdom **$950M** last round Jul 2026
- 29 [**Renewable Power Capital** Renewable Power Capital is a renewable energy investment platform that focuses on energy industries.](https://millionrounds.com/company/renewable-power-capital) Renewable Power Capital is a renewable energy investment platform that focuses on energy industries. *Founded* 2020 London, United Kingdom **$915M** last round Sept 2026
- 30 [**iwoca** Iwoca offers credit financing services for small businesses.](https://millionrounds.com/company/iwoca) Iwoca offers credit financing services for small businesses. *Founded* 2011 West End, United Kingdom **$911M** last round Jul 2026
- 31 [**Vertical Aerospace** Vertical Aerospace provides aircraft wheel and brake component repair, overhaul, parts sales/exchange, and inventory management services.](https://millionrounds.com/company/vertical-aerospace) Vertical Aerospace provides aircraft wheel and brake component repair, overhaul, parts sales/exchange, and inventory management services. *Founded* 2016 Bristol, United Kingdom **$850M** last round Mar 2026
- 32 [**Graphcore** Graphcore develops a microprocessor designed for AI and machine learning applications.](https://millionrounds.com/company/graphcore) Graphcore develops a microprocessor designed for AI and machine learning applications. *Founded* 2016 Bristol, United Kingdom **$835M** last round May 2026
- 33 [**Atom Bank** Atom Bank plc is the United Kingdom’s first app-based, digital-only retail bank, founded in 2014 and launched in 2016.](https://millionrounds.com/company/atom-bank) Atom Bank plc is the United Kingdom’s first app-based, digital-only retail bank, founded in 2014 and launched in 2016. *Founded* 2014 Newcastle upon Tyne, United Kingdom **$818M** last round Mar 2026
- 34 [**Fidra Energy** Fidra Energy is a battery energy storage firm/business that aims to aid decarbonization for electrical system.](https://millionrounds.com/company/fidra-energy) Fidra Energy is a battery energy storage firm/business that aims to aid decarbonization for electrical system. *Founded* 2024 Edinburgh, United Kingdom **$804M** last round Sept 2025
- 35 [**Greensill Capital** Greensill Capital is a provider of structured working capital financing to businesses globally.](https://millionrounds.com/company/greensill-capital) Greensill Capital is a provider of structured working capital financing to businesses globally. *Founded* 2011 London, United Kingdom **$800M** last round May 2019
- 36 [**Perch Group** Perch Group is a credit and asset management company that offers debt purchase and debt collection services.](https://millionrounds.com/company/perch-group) Perch Group is a credit and asset management company that offers debt purchase and debt collection services. *Founded* 2018 Blackpool, United Kingdom **$789M** last round Jul 2025
- 37 [**Zopa**](https://millionrounds.com/company/zopa) *Founded* 2004 United Kingdom **$780M** last round Jul 2026
- 38 [**Tritax Big Box** Tritax Big Box is the only real estate investment company.](https://millionrounds.com/company/tritax-big-box) Tritax Big Box is the only real estate investment company. *Founded* - Bristol, United Kingdom **$745M** last round Jun 2025
- 39 [**Open Cosmos** Open Cosmos is a UK-based space technology company that specializes in end-to-end satellite mission services.](https://millionrounds.com/company/open-cosmos) Open Cosmos is a UK-based space technology company that specializes in end-to-end satellite mission services. *Founded* 2015 Didcot, United Kingdom **$737M** last round Oct 2026
- 40 [**RSK Group** RSK Group is a privately-owned multi-disciplinary environmental consultancy and one of the fastest growing companies.](https://millionrounds.com/company/rsk-group) RSK Group is a privately-owned multi-disciplinary environmental consultancy and one of the fastest growing companies. *Founded* 1989 Helsby, United Kingdom **$705M** last round Sept 2024
- 41 [**Hipgnosis Songs Fund** Hipgnosis Songs Fund Limited offers investors a pure-play exposure to songs and associated musical intellectual property rights](https://millionrounds.com/company/hipgnosis-songs-fund) Hipgnosis Songs Fund Limited offers investors a pure-play exposure to songs and associated musical intellectual property rights *Founded* 2018 Saint Peter Port, United Kingdom **$700M** last round Oct 2022
- 42 [**Low Carbon** Low Carbon develops, owns, and operates renewable energy projects to fight climate change, aiming for a net-zero future.](https://millionrounds.com/company/low-carbon) Low Carbon develops, owns, and operates renewable energy projects to fight climate change, aiming for a net-zero future. *Founded* 2011 London, United Kingdom **$683M** last round Jan 2026
- 43 [**Eelpower** Eelpower is a battery storage developer that operates energy storage solutions.](https://millionrounds.com/company/eelpower) Eelpower is a battery storage developer that operates energy storage solutions. *Founded* 2017 London, United Kingdom **$682M** last round Aug 2025
- 44 [**Magnavale** Magnavale Providing cold storage and value-added services to the food industry.](https://millionrounds.com/company/magnavale) Magnavale Providing cold storage and value-added services to the food industry. *Founded* 2013 Chesterfield, United Kingdom **$681M** last round Jun 2025
- 45 [**Octopus Energy Group** Octopus Energy Group is an England-based holding company that operates businesses in areas such as energy generation and electric vehicle sales.](https://millionrounds.com/company/octopus-energy-group) Octopus Energy Group is an England-based holding company that operates businesses in areas such as energy generation and electric vehicle sales. *Founded* 2016 London, United Kingdom **$681M** last round Dec 2025
- 46 [**Improbable** Venture into new worlds: improbable.io Improbable is a British start-up that has been at the forefront of building virtual worlds for over a decade.](https://millionrounds.com/company/improbable) Venture into new worlds: improbable.io Improbable is a British start-up that has been at the forefront of building virtual worlds for over a decade. *Founded* 2012 London, United Kingdom **$674M** last round Oct 2022
- 47 [**Atome Energy** Atome Energy is the green hydrogen and ammonia project development company to create a greener, cleaner environment.](https://millionrounds.com/company/atome-energy) Atome Energy is the green hydrogen and ammonia project development company to create a greener, cleaner environment. *Founded* - Leeds, United Kingdom **$665M** last round Apr 2026
- 48 [**McLaren Group** McLaren Group is an automotive, motorsport, and technology company that manufactures sports cars.](https://millionrounds.com/company/mclaren-group) McLaren Group is an automotive, motorsport, and technology company that manufactures sports cars. *Founded* 2017 Woking, United Kingdom **$663M** last round Apr 2025
- 49 [**TransferWise**](https://millionrounds.com/company/transferwise) *Founded* 2010 United Kingdom **$662M** last round May 2019
- 50 [**Rapyd**](https://millionrounds.com/company/rapyd) *Founded* 2022 United Kingdom **$660M** last round Oct 2025

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Every startup we hold in the United Kingdom, ranked by the total it has raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

Open any company for its rounds and investors, or search the investors who back startups in the United Kingdom in the app, with filters, lists and exports.

[Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[All top lists](https://millionrounds.com/top-lists)

## More startup lists

[See all](https://millionrounds.com/top-lists?t=All%20startups)

[*O* *A* *X* **Startups in the United States** 42,176 companies · $870B](https://millionrounds.com/top-lists/startups-united-states)[*O* *D* *TM* **Startups in San Francisco** 4,251 companies · $350B](https://millionrounds.com/top-lists/startups-san-francisco)[*W* *K* *P* **Startups in New York** 3,729 companies · $67B](https://millionrounds.com/top-lists/startups-new-york)[*F* *IL* *PD* **Startups in London** 3,521 companies · $51B](https://millionrounds.com/top-lists/startups-london)[*MA* *M* *TE* **Startups in France** 3,025 companies · $32B](https://millionrounds.com/top-lists/startups-france)[*C* *H8* *AP* **Startups in Canada** 2,950 companies · $38B](https://millionrounds.com/top-lists/startups-canada)[*B* *D* *AF* **Startups in China** 2,168 companies · $163B](https://millionrounds.com/top-lists/startups-china)[*T* *AN* *F* **Startups in India** 2,116 companies · $60B](https://millionrounds.com/top-lists/startups-india)

## More lists for United Kingdom

[See all](https://millionrounds.com/top-lists?r=United%20Kingdom)

[*IL* *CS* *ON* **Health startups in the United Kingdom** 1,094 companies · $17B](https://millionrounds.com/top-lists/health-startups-united-kingdom)[*N* *AA* *IL* **AI startups in the United Kingdom** 835 companies · $32B](https://millionrounds.com/top-lists/ai-startups-united-kingdom)[*C* *T* *K* **IT Services startups in the United Kingdom** 816 companies · $5.3B](https://millionrounds.com/top-lists/it-services-startups-united-kingdom)[*IL* *CS* *ON* **Healthcare startups in the United Kingdom** 608 companies · $14B](https://millionrounds.com/top-lists/healthcare-startups-united-kingdom)[*IL* *CS* *ON* **Biotech startups in the United Kingdom** 588 companies · $15B](https://millionrounds.com/top-lists/biotech-startups-united-kingdom)[*F* *FC* *R* **Financial Services startups in the United Kingdom** 472 companies · $26B](https://millionrounds.com/top-lists/financial-services-startups-united-kingdom)[*FC* *R* *C* **Fintech startups in the United Kingdom** 342 companies · $23B](https://millionrounds.com/top-lists/fintech-startups-united-kingdom)[*N* *Q* *L* **Big Data & Analytics startups in the United Kingdom** 336 companies · $13B](https://millionrounds.com/top-lists/big-data-startups-united-kingdom)