Top list · London, United States
Startups in London, United States
129 startups in London, United States have raised money in rounds we track. These are the 50 that have raised the most, $3.4B between them.
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World LabsWorldLabs is a digital global innovation platform that fast-tracks the development of innovative ideasWorldLabs is a digital global innovation platform that fast-tracks the development of innovative ideas
Founded 1917London, United States$1.0Blast round Feb 2026 - 2Aiolos BioAiolos Bio is a biotech company developing innovative therapies for respiratory diseases and immune conditions.
Aiolos Bio is a biotech company developing innovative therapies for respiratory diseases and immune conditions.
Founded 2023London, United States$245Mlast round Oct 2023 - 3
Flo HealthFlo Health develops a women’s health app that provides access to cycle tracking, health insights, and a private community.Flo Health develops a women’s health app that provides access to cycle tracking, health insights, and a private community.
Founded 2015London, United States$212Mlast round Jan 2025 - 4
GranolaGranola is a SAAS company that offers AI driven note-taking services.Granola is a SAAS company that offers AI driven note-taking services.
Founded 2023London, United States$168Mlast round Mar 2026 - 5
Honest HealthHonest Health is a Nashville-based healthcare company founded in 2021, focusing on transforming primary care through physician-led, value-based care models.Honest Health is a Nashville-based healthcare company founded in 2021, focusing on transforming primary care through physician-led, value-based care models.
Founded 2018London, United States$140Mlast round Feb 2026 - 6
CleoEmpower people to build a life beyond their next paycheck.Empower people to build a life beyond their next paycheck.
Founded 2016London, United States$132Mlast round Jun 2022 - 7IdrxIdrx is a clinical-stage biopharmaceutical company dedicated to transforming cancer treatment.
Idrx is a clinical-stage biopharmaceutical company dedicated to transforming cancer treatment.
Founded 2022London, United States$120Mlast round Aug 2024 - 8
Peak®Peak’s mission is to help the world spend their time better using tools and technique borrowed from education, neuroscience and gaming.Peak’s mission is to help the world spend their time better using tools and technique borrowed from education, neuroscience and gaming.
Founded 2012London, United States$116Mlast round Jan 2024 - 9
JellyfishJellyfish is a marketing performance company that offers digital services.Jellyfish is a marketing performance company that offers digital services.
Founded 2005London, United States$108Mlast round Feb 2022 - 10
TrustedTrusted is the system of record for customer advocacy.Trusted is the system of record for customer advocacy.
Founded 2025London, United States$95Mlast round Apr 2025 - 11
ThreecoltsThreecolts is a London-based technology company that specializes in cloud-based business management software for the e-commerce sector.Threecolts is a London-based technology company that specializes in cloud-based business management software for the e-commerce sector.
Founded 2021London, United States$91Mlast round Mar 2023 - 12
WhistleWhistle is a global Sales Development Agency empowering fast-growing companies with operations, teams and strategies to generate revenue.Whistle is a global Sales Development Agency empowering fast-growing companies with operations, teams and strategies to generate revenue.
Founded 2019London, United States$87Mlast round Mar 2022 - 13
Rocket LawyerRocket Lawyer is a legal technology company.Rocket Lawyer is a legal technology company.
Founded 2012London, United States$72Mlast round May 2013 - 14
YouGovYouGov is a global research data and analytics group that is powered by reality.YouGov is a global research data and analytics group that is powered by reality.
Founded 1998London, United States$54Mlast round Aug 2007 - 15
JobsterJobster is an online recruitment agency based in the United KingdomJobster is an online recruitment agency based in the United Kingdom
Founded 2004London, United States$53Mlast round Apr 2008 - 16
FlockLondon-based insurtech building the world's first fully digital insurance company for connected and autonomous commercial vehiclesLondon-based insurtech building the world's first fully digital insurance company for connected and autonomous commercial vehicles
Founded 2015London, United States$44Mlast round Feb 2023 - 17BabyListBabylist is an online baby registry that helps parents choose apparels and accessories for a new baby.
Babylist is an online baby registry that helps parents choose apparels and accessories for a new baby.
Founded 1995London, United States$41Mlast round Nov 2021 - 18
ZyaWe use the power of enzymes to transform how our bodies use food.We use the power of enzymes to transform how our bodies use food.
Founded 2018London, United States$37Mlast round Jun 2015 - 19
OneStepOneStep is a London-based company founded in 2024 that specializes in reusable cup solutions for music events, sports venues, sponsors, and fans.OneStep is a London-based company founded in 2024 that specializes in reusable cup solutions for music events, sports venues, sponsors, and fans.
Founded 2024London, United States$36Mlast round Oct 2024 - 20
TemboTembo is an event resource management firm that offers marketing, content production, and event management services.Tembo is an event resource management firm that offers marketing, content production, and event management services.
Founded 2014London, United States$36Mlast round Feb 2026 - 21
CocoonCOCOON is a membership subscription service that offers a circular rental solution for luxury bags.COCOON is a membership subscription service that offers a circular rental solution for luxury bags.
Founded 2019London, United States$35Mlast round Mar 2026 - 22
ZeniZeni is a hospitality brand that offers short-stay apartments and serviced accommodations in various UK cities, including Manchester, York, and Derby.Zeni is a hospitality brand that offers short-stay apartments and serviced accommodations in various UK cities, including Manchester, York, and Derby.
Founded 2021London, United States$34Mlast round Aug 2021 - 23
SkyDoxPLEASE NOTE: In September 2012 SkyDox joined forces with Workshare.PLEASE NOTE: In September 2012 SkyDox joined forces with Workshare.
Founded 2009London, United States$32Mlast round Sept 2012 - 24
InnoCentiveInnoCentive is a leader in open innovation and crowdsourcing, helping organizations tackle complex business, scientific, and technical challenges.InnoCentive is a leader in open innovation and crowdsourcing, helping organizations tackle complex business, scientific, and technical challenges.
Founded 2001London, United States$30Mlast round Oct 2011 - 25
Vivbsktpay is an AI platform that provides customer insights for automotive dealers and lenders to drive engagement and retention.bsktpay is an AI platform that provides customer insights for automotive dealers and lenders to drive engagement and retention.
Founded 2021London, United States$30Mlast round Nov 2015 - 26
AlgomiAlgomi is a software company that provides technology to financial market participants to improve their workflow and liquidity.Algomi is a software company that provides technology to financial market participants to improve their workflow and liquidity.
Founded 2012London, United States$24Mlast round Mar 2025 - 27
CovestorCovestor develops portfolio sync technology that enables investors to select investment management talents for online marketplaces.Covestor develops portfolio sync technology that enables investors to select investment management talents for online marketplaces.
Founded 2005London, United States$24Mlast round Jun 2013 - 28
OstiumOstium Labs, Co.Ostium Labs, Co.
Founded -London, United States$24Mlast round Dec 2025 - 29
ColossyanColossyan is an AI-driven content production technology company based in London, with additional hubs in Frederiksberg, Denmark, and Budapest, Hungary.Colossyan is an AI-driven content production technology company based in London, with additional hubs in Frederiksberg, Denmark, and Budapest, Hungary.
Founded 2020London, United States$22Mlast round Feb 2024 - 30
MemriseMemrise is a British EdTech company founded in 2010 and based in London.Memrise is a British EdTech company founded in 2010 and based in London.
Founded 2010London, United States$22Mlast round Jun 2018 - 31
Capi MoneyCapi Money is a fintech company based in London, founded in 2023.Capi Money is a fintech company based in London, founded in 2023.
Founded 2023London, United States$21Mlast round Jul 2025 - 32
DebutDebut is a UK-based careers app designed for students and graduates, launched in 2015.Debut is a UK-based careers app designed for students and graduates, launched in 2015.
Founded 2015London, United States$20Mlast round Aug 2025 - 33
PebblePebble is a children’s activity and childcare booking platform operated by Sprout Care Limited in England and Wales.Pebble is a children’s activity and childcare booking platform operated by Sprout Care Limited in England and Wales.
Founded 2021London, United States$20Mlast round Jun 2023 - 34
MercauxMercaux is a London-based B2B SaaS provider established in 2013, specializing in an in-store clienteling and customer experience platform.Mercaux is a London-based B2B SaaS provider established in 2013, specializing in an in-store clienteling and customer experience platform.
Founded 2013London, United States$19Mlast round Nov 2022 - 35
NodalNodal Exchange, LLC is a commodities exchange based in Tysons Corner, Virginia, specializing in trading platforms for energy markets, including power, natural gNodal Exchange, LLC is a commodities exchange based in Tysons Corner, Virginia, specializing in trading platforms for energy markets, including power, natural g
Founded 2017London, United States$15Mlast round Jul 2026 - 36
HekaHeka is an AI-powered employee benefits platform that offers personalized health and wellness solutions for organizations.Heka is an AI-powered employee benefits platform that offers personalized health and wellness solutions for organizations.
Founded 2016London, United States$15Mlast round Jul 2025 - 37
AbacusAbacus is a leading Software as a Service (SaaS) provider with over 20 years of experience, focusing on digital transformation for the B2B publishing sector andAbacus is a leading Software as a Service (SaaS) provider with over 20 years of experience, focusing on digital transformation for the B2B publishing sector and
Founded 1977London, United States$15Mlast round Nov 2025 - 38
375ai375ai is a decentralized edge data intelligence network that focuses on structuring real-world physical data for AI.375ai is a decentralized edge data intelligence network that focuses on structuring real-world physical data for AI.
Founded 2022London, United States$15Mlast round Oct 2025 - 39
CaviarCaviar is an Academy Award-winning independent production company and film studio with offices in London, Los Angeles, Brussels, Paris, and Amsterdam.Caviar is an Academy Award-winning independent production company and film studio with offices in London, Los Angeles, Brussels, Paris, and Amsterdam.
Founded 2005London, United States$15Mlast round Apr 2014 - 40
ZoeZOE Limited is a nutrition science and health technology company based in the United Kingdom.ZOE Limited is a nutrition science and health technology company based in the United Kingdom.
Founded 2017London, United States$15Mlast round Jul 2024 - 41
TraianaTraian is an ICAP group company focused on automating post-trade processing of financial institutions.Traian is an ICAP group company focused on automating post-trade processing of financial institutions.
Founded 2000London, United States$15Mlast round Oct 2005 - 42
Loop AILoop.AI gives your team AI superpowers by adding smart, named AI agents into your daily workflows.Loop.AI gives your team AI superpowers by adding smart, named AI agents into your daily workflows.
Founded 2017London, United States$14Mlast round Feb 2026 - 43
InnerWorkingsFounded in 1991, HH Global is a global outsourced marketing execution provider.Founded in 1991, HH Global is a global outsourced marketing execution provider.
Founded 1991London, United States$13Mlast round Feb 2008 - 44
LevelLevel is an application that provides an array of loans, funding, financial, tax returns, liquidity, legal advice, and lending services.Level is an application that provides an array of loans, funding, financial, tax returns, liquidity, legal advice, and lending services.
Founded 2016London, United States$12Mlast round Mar 2025 - 45
Social PlusAt social.plus, we are on a mission to redefine social networking by providing brands with all the technology they need to deliver curated, engaging and privacyAt social.plus, we are on a mission to redefine social networking by providing brands with all the technology they need to deliver curated, engaging and privacy
Founded 2021London, United States$12Mlast round Jun 2024 - 46
AltitudeAltitude is a decentralized finance company that offers an automated borrowing protocol for cryptocurrency users.Altitude is a decentralized finance company that offers an automated borrowing protocol for cryptocurrency users.
Founded 2021London, United States$11Mlast round Oct 2025 - 47
MessageGateMessageGate offers enterprise e-mail governance software and services.MessageGate offers enterprise e-mail governance software and services.
Founded 2001London, United States$11Mlast round Aug 2009 - 48
IrysIrys is a pioneering company that has developed the first programmable datachain, an L1 blockchain focused on optimizing data storage and execution.Irys is a pioneering company that has developed the first programmable datachain, an L1 blockchain focused on optimizing data storage and execution.
Founded 2021London, United States$10Mlast round Aug 2025 - 49
FilteredFiltered is the world's leading learning recommendation platformFiltered is the world's leading learning recommendation platform
Founded 2009London, United States$10Mlast round Mar 2022 - 50
WikiCell DesignsWikiCell Designs develops edible forms of packaging that enclose food or drinks in ways similar to how nature protects them.WikiCell Designs develops edible forms of packaging that enclose food or drinks in ways similar to how nature protects them.
Founded 2012London, United States$10Mlast round Sept 2012
London, United StatesEvery startup we hold in London, United States, ranked by the total it has raised in rounds we hold. Nobody pays to be on a list.
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