181 Climate Tech venture capital firms in the UK (2026)
We've curated 181 venture capital firms backing climate tech startups across the UK. Sort by cheque size, stage, and sector focus to find the right investor fit.
Updated daily by John-Pierre ClarkLatest Climate Tech VC Activity
H2CHP raises £1.5m seed testing free-piston linear generator for resilient local power
12 May 2026
Updated daily by John-Pierre Clark| Climate Tech Venture Capital Firms | Investment Focus | Startup Investments | Round Size | Connect |
|---|---|---|---|---|
 | ||||
 MMC Ventures( ) MMC Ventures is a London-based venture capital firm that has backed early-stage,... London  | ||||
 RTP Global( ) RTP Global invests in ambitious founders reshaping the world through technology,... London | ||||
 QVentures( ) QVentures is a venture capital firm that focuses on sourcing and screening top-t... London | ||||
 Sentinel Capital( ) Sentinel Capital is a single-family office based in London, UK, specialising in ... London | ||||
 Two Magnolias( ) London | ||||
 3VC( ) 3VC is a European venture capital fund that invests in selected tech startups wi... London | Climate TechGeneralistE-CommerceOnline Shopping+14 | |||
 Mint Ventures( ) Glasgow | ||||
 Keyhaven Capital Partners( ) Keyhaven Capital Partners is an independent London-based private equity firm spe... London | ||||
 Twin Path Ventures( ) Twin Path Ventures is a venture capital firm focused on investing in AI-first st... London | ||||
 Black Seed VC( ) Black Seed is a venture capital firm dedicated to empowering Black founders and ... London | ||||
 GALLOS Technologies( ) Gallos Technologies is a London-based venture studio and specialist investor foc... London | ||||
 Guiness Asset Management( ) Guinness Global Investors is an independent fund manager focusing on long-only e... London | ||||
 Jigsaw VC( ) I'm sorry, but it appears that the information required to create a detailed and... St Helier | Climate TechGeneralistWellnessHealth & Fitness+4 | |||
 24Haymarket( ) 24Haymarket Limited operates as a venture capital firm, focusing on supporting e... London | ||||
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Discover venture capital firms investing in UK climate tech startups — from early bets on carbon capture and clean energy to growth investments in sustainable infrastructure and circular economy plays.
This list covers funds with climate mandates or ESG-aligned portfolios tackling net zero challenges.
🌍 Use this directory to:
- Explore climate-focused VCs in the UK
- Review investments in renewables, carbon removal, and green materials
- Compare fund size, thesis, and tech preferences
- See portfolio highlights and recent climate deals
👉 Looking for VCs in other sectors? Check out the full venture capital firm database, or explore the climate tech landscape with our curated lists of climate tech startups, climate tech events, and angel investors backing climate tech startups — or view the full climate tech investor hub.
