| 8VCInvestors and funds | A US venture firm; an existing investor in Latent Labs and a participant in Fractile's Series B. | | latentlabs.com/press-release/latent-labs-secures · uktech.news/ai/fractile-raises-162-8m-to-boost-a · uktech.news/funding/uk-tech-funding-roundup-this · uktech.news/funding/uk-tech-funding-roundup-this | verified |
| AccelInvestors and funds | A US-European venture firm; co-lead of Fractile's US$220m Series B and an existing Synthesia investor. | | uktech.news/ai/fractile-raises-162-8m-to-boost-a · synthesia.io/post/series-e-200-million-4-billion · uktech.news/funding/uk-tech-funding-roundup-this · uktech.news/funding/uk-tech-funding-roundup-this | verified |
| Amadeus Capital PartnersInvestors and funds | A deep tech venture firm founded in 1997 by Anne Glover and Hermann Hauser; it invests in AI, advanced computing and quantum among other areas. | | Website · amadeuscapital.com/ | one source |
| Andreessen Horowitz (a16z)Investors and funds | A US venture firm; an investor in ElevenLabs that quadrupled its investment in the 2026 Series D. | | elevenlabs.io/blog/series-d · uktech.news/funding/uk-tech-funding-roundup-elev · uktech.news/funding/uk-tech-funding-roundup-this · uktech.news/funding/uk-tech-funding-roundup-this | one source |
| AtomicoInvestors and funds | A European venture firm founded by Niklas Zennström; it has led rounds in UK AI companies including PhysicsX, Callosum and Wonder Studios. | | british-business-bank.co.uk/news-and-events/news · physicsx.ai/newsroom/physicsx-raises-135m-series · physicsx.ai/newsroom/physicsx-announces-300m-ser · callosum.com/blog/seed-round | verified |
| Balderton CapitalInvestors and funds | A European venture firm that invests from Series A to growth; a lead investor in Wayve and other UK AI companies. | | balderton.com/news/balderton-announces-1-3b-in-n · balderton.com/news/wayve-raises-over-1-billion-t · wayve.ai/press/series-d/ · british-business-bank.co.uk/news-and-events/news | verified |
| Cambridge Innovation CapitalInvestors and funds | A Cambridge deep-tech and life-sciences investor whose AI holdings include Unlikely AI, BeyondMath and Salience Labs. | Cambridge | cic.vc/cambridge-innovation-capital-raises-225-m · cic.vc/cambridge-innovation-capital-invests-in-u · cic.vc/beyondmath-completes-18-5m-seed-round-to- · cic.vc/portfolio-companies-named-in-sifteds-ai-1 | one source |
| DCVCInvestors and funds | A US deep-tech venture firm; an investor in Callosum's 2026 seed round. | | callosum.com/blog/seed-round · uktech.news/ai/callosum-raises-73-5m-to-redefine · uktech.news/funding/uk-tech-funding-roundup-this | verified |
| EclipseInvestors and funds | A US venture firm focused on physical industries; a co-lead of Wayve's US$1.2bn Series D. | | wayve.ai/press/series-d/ · wayve.ai/press/series-c/ · uktech.news/funding/uk-tech-funding-roundup-this | verified |
| Episode 1 VenturesInvestors and funds | A UK early-stage venture firm investing at pre-seed and seed; AI is one of its stated areas. | London (WC1A 1HH) | Companies House · british-business-bank.co.uk/news-and-events/news · find-and-update.company-information.service.gov. · find-and-update.company-information.service.gov. | verified |
| EQT VenturesInvestors and funds | The venture arm of Swedish investor EQT; an investor in Ineffable Intelligence. | | british-business-bank.co.uk/news-and-events/news · tech.eu/2026/04/27/ineffable-intelligence-launch · uktech.news/funding/uk-tech-funding-roundup-this · uktech.news/funding/uk-tech-funding-roundup-this | verified |
| Evantic CapitalInvestors and funds | A fund started by former Sequoia partner Matt Miller; investor in Synthesia, ElevenLabs and Ineffable Intelligence in 2026. | | synthesia.io/post/series-e-200-million-4-billion · elevenlabs.io/blog/series-d · british-business-bank.co.uk/news-and-events/news · uktech.news/funding/uk-tech-funding-roundup-elev | verified |
| Factorial FundsInvestors and funds | A US venture firm; co-lead of Fractile's US$220m Series B. | | uktech.news/ai/fractile-raises-162-8m-to-boost-a | one source |
| FirstMarkInvestors and funds | A New York venture firm; an existing investor in Synthesia. | | synthesia.io/post/synthesia-secures-180m-in-seri · synthesia.io/post/series-e-200-million-4-billion | verified |
| firstminute capitalInvestors and funds | A London seed fund with US$500m under management that invests in AI and deep tech; early backer of Wayve and Mistral AI. | Level 6, Arundel Street Building, 180 Strand, London (WC2R 3DA) | firstminute.capital/ · firstminute.capital/news-announcements/generativ · uktech.news/funding/uk-tech-funding-roundup-cond · uktech.news/funding/uk-tech-funding-roundup-this | one source |
| Flying Fish VenturesInvestors and funds | A US venture firm; an investor in Latent Labs and Ineffable Intelligence. | | latentlabs.com/press-release/latent-labs-secures · british-business-bank.co.uk/news-and-events/news · uktech.news/funding/uk-tech-funding-roundup-this · uktech.news/funding/uk-tech-funding-roundup-this | verified |
| Founders FundInvestors and funds | A US venture firm; co-lead of Fractile's US$220m Series B. | | uktech.news/ai/fractile-raises-162-8m-to-boost-a · uktech.news/funding/uk-tech-funding-roundup-gran | one source |
| General CatalystInvestors and funds | A US venture firm; an investor in PhysicsX since its 2023 round. | | physicsx.ai/newsroom/physicsx-raises-135m-series · physicsx.ai/newsroom/physicsx-announces-300m-ser · uktech.news/funding/uk-tech-funding-roundup-this · uktech.news/funding/uk-tech-funding-roundup-this | verified |
| GreycroftInvestors and funds | A US venture firm; co-lead of Recursive Superintelligence's 2026 round. | | tech.eu/2026/05/13/recursive-superintelligence-e | one source |
| Hoxton VenturesInvestors and funds | A London seed fund whose AI portfolio includes CuspAI, Malted AI and Prefrontal.ai, and which NVIDIA chose as a UK partner for AI start-ups. | 55 New Oxford Street, Eighth Floor, London (WC1A 1BS) | hoxtonventures.com/ · hoxtonventures.com/sectors/ai/ · uktech.news/funding/uk-tech-funding-roundup-gran | verified |
| Index VenturesInvestors and funds | A US-European venture firm that has led rounds in London AI companies Granola and Inherent and invested in Ineffable Intelligence. | London (Alex's Places file; not verified) | uktech.news/ai/ai-notepad-granola-secures-unicor · tech.eu/2026/05/29/london-based-ai-lab-inherent- · british-business-bank.co.uk/news-and-events/news · tech.eu/2026/07/09/ai-writing-startup-co-founded | verified |
| Khosla VenturesInvestors and funds | A US venture firm; co-lead of PolyAI's US$86m Series D. | | poly.ai/blog/polyai-raises-86m-to-transform-how- · uktech.news/funding/uk-tech-funding-roundup-this | one source |
| Kindred CapitalInvestors and funds | A London seed-stage venture firm; existing investor in Latent Labs and a co-lead of Fractile's 2024 seed. | London (W1T 1QU) | Companies House · latentlabs.com/press-release/latent-labs-secures · find-and-update.company-information.service.gov. · tech.eu/brief/botsandus-funding/ · uktech.news/funding/uk-tech-funding-roundup-this | verified |
| Kleiner PerkinsInvestors and funds | A US venture firm; co-lead of CuspAI's US$450m Series B and an existing Synthesia investor. | | tech.eu/2026/07/20/jeff-bezos-and-sovereign-ai-b · synthesia.io/post/series-e-200-million-4-billion · uktech.news/news/uk-tech-funding-roundup-cuspai- | verified |
| LakestarInvestors and funds | A European venture firm; an existing investor in Dexory. | | dexory.com/insights/strong-customer-demand-enabl · tech.eu/2025/12/10/matta-raises-14m-to-develop-s · uktech.news/funding/uk-tech-funding-roundup-this · uktech.news/funding/uk-tech-funding-roundup-this | one source |
| Lightspeed Venture PartnersInvestors and funds | A US venture firm; it co-led Ineffable Intelligence's seed and joined ElevenLabs' Series D. | | tech.eu/2026/04/27/ineffable-intelligence-launch · british-business-bank.co.uk/news-and-events/news · elevenlabs.io/blog/series-d | verified |
| LocalGlobeInvestors and funds | A London seed investor; an existing investor in Wonder Studios. | London | atomico.com/insights/our-investment-in-wonder-st · tech.eu/2026/04/07/openai-and-spotify-leaders-ba · tech.eu/2026/07/09/ai-writing-startup-co-founded · uktech.news/funding/uk-tech-funding-roundup-this | one source |
| Menlo Ventures (Anthology Fund)Investors and funds | A US venture firm; its Anthology Fund is an investor in Basecamp Research. | | basecamp-research.com/news-research/basecamp-res | one source |
| Mercia (Mercia Ventures, Mercia Asset Management PLC)Investors and funds | A UK regional investor that backs AI start-ups outside London, often through government-backed regional funds such as the Midlands Engine Investment Fund II. | | Companies House · mercia.co.uk/plannerpal-raises-4-3m-to-build-cli · mercia.co.uk/grid-edge-raises-2-8m-for-ai-softwa · mercia.co.uk/ai-data-analytics-firm-that-helps-s · mercia.co.uk/scalpel-ai-raises-3-8m-to-transform | one source |
| MMC VenturesInvestors and funds | A London venture firm; an existing investor in Synthesia. | | synthesia.io/post/series-e-200-million-4-billion · synthesia.io/post/synthesia-secures-180m-in-seri · uktech.news/funding/uk-tech-funding-roundup-this · tech.eu/2026/09/04/uk-startup-ai-score-raises-54 | verified |
| NEA (New Enterprise Associates)Investors and funds | A US venture firm; it led Synthesia's 2025 Series D and co-led CuspAI's 2026 Series B. | | synthesia.io/post/synthesia-secures-180m-in-seri · synthesia.io/post/series-e-200-million-4-billion · tech.eu/2026/07/20/jeff-bezos-and-sovereign-ai-b · uktech.news/news/uk-tech-funding-roundup-cuspai- | verified |
| Octopus VenturesInvestors and funds | The venture arm of Octopus Group; it invests from pre-seed to Series B in European start-ups, many of them applied AI companies. | England: London | octopusventures.com/portfolio/ · octopusventures.com/blog/where-we-are-now-an-inv · octopusventures.com/about/faq/ · octopusventures.com/blog/our-investment-in-sprou | verified |
| PartechInvestors and funds | A European venture firm; co-lead of Prolific's £25m round with Oxford Science Enterprises. | | prolific.com/resources/series-a-fundraise · uktech.news/funding/uk-tech-funding-roundup-this | one source |
| Phoenix CourtInvestors and funds | A venture group named as an existing investor in CuspAI. | | tech.eu/2026/07/20/jeff-bezos-and-sovereign-ai-b · uktech.news/funding/uk-tech-funding-roundup-this | one source |
| PluralInvestors and funds | A European venture firm co-founded by Ian Hogarth and other founders-turned-investors; it has led rounds in UK AI chip and security companies. | London (per Augur report; Plural office not stated) | uktech.news/ai/ian-hogarths-plural-leads-17m-ai- · uktech.news/ai/augur-ai-security-funding-round-2 · callosum.com/blog/seed-round · tech.eu/2026/10/14/the-uk-governments-ps500m-vc- | verified |
| Point72 VenturesInvestors and funds | The venture arm of US investor Point72; a PolyAI investor. | | poly.ai/blog/polyai-raises-86m-to-transform-how- · uktech.news/funding/uk-tech-funding-roundup-this · uktech.news/funding/uk-tech-funding-roundup-this · uktech.news/funding/uk-tech-funding-roundup-this | one source |
| Radical VenturesInvestors and funds | A Toronto-based AI-focused venture firm; co-lead of Latent Labs' Series A and Inherent's seed. | | latentlabs.com/press-release/latent-labs-secures · tech.eu/2026/05/29/london-based-ai-lab-inherent- · uktech.news/funding/uk-tech-funding-roundup-this · uktech.news/funding/uk-tech-funding-roundup-this | verified |
| S32Investors and funds | A US venture firm; lead of Basecamp Research's US$140m Series C. | | basecamp-research.com/news-research/basecamp-res | one source |
| SeedcampInvestors and funds | A London seed fund that has made dozens of AI and machine-learning investments, including early stakes in Synthesia and Fluidstack. | London (W1W 8BJ) | Companies House · seedcamp.com/views/ai-ml-and-seedcamps-commitmen · seedcamp.com/fund-vii/ · find-and-update.company-information.service.gov. · uktech.news/funding/uk-tech-funding-roundup-this | one source |
| Sequoia CapitalInvestors and funds | A US venture firm; it led ElevenLabs' Series D and co-led Ineffable Intelligence's seed round. | | elevenlabs.io/blog/series-d · tech.eu/2026/04/27/ineffable-intelligence-launch · british-business-bank.co.uk/news-and-events/news · techcrunch.com/2026/04/27/deepminds-david-silver | verified |