# Cleantech investors in Europe (2026 list) > 492 cleantech investors in Europe, 86% active in the last 12 months. Led by Y Combinator, Techstars, Alumni Ventures. Ranked by what they funded. Source: https://millionrounds.com/lists/cleantech-investors-in-europe (Millionrounds; every figure on the page links to its filing or article) [Investor Lists](https://millionrounds.com/lists) # Cleantech investors in Europe Updated 7 November 2026 Firms observed backing a cleantech company in Europe in the last two years, wherever the firm is based. [See all 492 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fcleantech-investors-in-europe)The top 25 **492** investors on the list *+17* this week **8,488** cheques in 12 months *-14%* against the market **$9.1M** median round they joined *+13%* against the market median **86%** wrote a cheque in 12 months **52%** have led a round ## The Top 25 Ordered by cheques observed, never by anything anyone paid for Deploying now (25) - 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) *Deploying now* Accelerator · United States **6,412** **$3M** median round **Oct 2026** last seen - 2 [Techstars](https://millionrounds.com/fund/techstars) *Deploying now* VC firm · United States **2,989** **$1.2M** median round **Nov 2026** last seen - 3 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) *Deploying now* VC firm · United States **1,598** **$12M** median round **Nov 2026** last seen - 4 [Plug and Play](https://millionrounds.com/fund/plug-and-play) *Deploying now* Accelerator · United States **1,561** **$5M** median round **Nov 2026** last seen - 5 [General Catalyst](https://millionrounds.com/fund/general-catalyst) *Deploying now* VC firm · United States **1,387** **$27M** median round **Nov 2026** last seen - 6 [Accel](https://millionrounds.com/fund/accel) *Deploying now* VC firm · United States **1,341** **$32M** median round **Nov 2026** last seen - 7 [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) *Deploying now* VC firm · United States **1,341** **$35M** median round **Nov 2026** last seen - 8 [Bpifrance](https://millionrounds.com/fund/bpifrance) *Deploying now* Government · France **1,151** **$4.5M** median round **Oct 2026** last seen - 9 [Gaingels](https://millionrounds.com/fund/gaingels) *Deploying now* Private equity · United States **1,010** **$8M** median round **Oct 2026** last seen - 10 [MassChallenge](https://millionrounds.com/fund/masschallenge) *Deploying now* Accelerator · United States **984** **$1.8M** median round **Sept 2026** last seen - 11 [SOSV](https://millionrounds.com/fund/sosv) *Deploying now* VC firm · United States **951** **$2.5M** median round **Nov 2026** last seen - 12 [EIC Accelerator](https://millionrounds.com/fund/eic-accelerator) *Deploying now* Government · European Union **875** **$4.3M** median round **Oct 2026** last seen - 13 [Kima Ventures](https://millionrounds.com/fund/kima-ventures) *Deploying now* VC firm · France **859** **$4.2M** median round **Nov 2026** last seen - 14 [FJ Labs](https://millionrounds.com/fund/fj-labs) *Deploying now* VC firm · United States **849** **$11M** median round **Oct 2026** last seen - 15 [Right Side Capital Management](https://millionrounds.com/fund/right-side-capital-management) *Deploying now* VC firm · United States **834** **$875K** median round **Sept 2026** last seen - 16 [Google for Startups](https://millionrounds.com/fund/google-for-startups) *Deploying now* Accelerator · United States **811** **$1.4M** median round **Sept 2026** last seen - 17 [Goldman Sachs](https://millionrounds.com/fund/goldman-sachs) *Deploying now* Private equity · United States **758** **$73M** median round **Oct 2026** last seen - 18 [Antler](https://millionrounds.com/fund/antler) *Deploying now* VC firm · United Kingdom **729** **$1M** median round **Nov 2026** last seen - 19 [Crowdcube](https://millionrounds.com/fund/crowdcube) *Deploying now* VC firm · United Kingdom **715** **$615K** median round **Sept 2026** last seen - 20 [Innovate UK](https://millionrounds.com/fund/innovate-uk) *Deploying now* VC firm · United Kingdom **704** **$1.2M** median round **Oct 2026** last seen - 21 [Tengxun Touzi](https://millionrounds.com/fund/tengxun-touzi) *Deploying now* VC firm · China **553** **$50M** median round **Nov 2026** last seen - 22 [Goodwater Capital](https://millionrounds.com/fund/goodwater-capital) *Deploying now* VC firm · United States **526** **$4.1M** median round **Sept 2026** last seen - 23 [EISMEA](https://millionrounds.com/fund/eismea) *Deploying now* Investment firm **524** **$2.2M** median round **Sept 2026** last seen - 24 [Seedcamp](https://millionrounds.com/fund/seedcamp) *Deploying now* VC firm · United Kingdom **519** **$5M** median round **Nov 2026** last seen - 25 [Global Brain Corporation](https://millionrounds.com/fund/global-brain-corporation) *Deploying now* VC firm · Japan **480** **$7.6M** median round **Sept 2026** last seen **467 more on this list** All 492 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000. [See the whole list *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fcleantech-investors-in-europe) ## The Newest Cheques Rounds this list's investors joined most recently - **6** Nov **[Vensum Power](https://millionrounds.com/company/vensum-power)** Series A · $10M *Led by* [Lifeline Ventures](https://millionrounds.com/fund/lifeline-ventures) - **6** Nov **[Humble Robotics](https://millionrounds.com/company/humble-robotics)** Series A · $51M *With* [Energy Impact Partners](https://millionrounds.com/fund/energy-impact-partners) - **6** Nov **[Ocient](https://millionrounds.com/company/ocient)** Series C · $100M *With* [In-Q-Tel](https://millionrounds.com/fund/iqt) - **6** Nov **[Thinking Machines Lab](https://millionrounds.com/company/thinking-machines-lab)** Other · $5B *Led by* [Accel](https://millionrounds.com/fund/accel) - **6** Nov **[Harbinger](https://millionrounds.com/company/harbinger)** Series D+ · $240M *With* [Leitmotif](https://millionrounds.com/fund/leitmotif) - **5** Nov **[Bizay](https://millionrounds.com/company/bizay)** Series D+ *Led by* [Indico Capital Partners](https://millionrounds.com/fund/indico-capital-partners) ## Stages This Year 5,739 rounds - Venture **20%** - Seed **20%** - Series A **14%** - Pre-seed **12%** - Debt **7%** - Other **26%** ## What They Backed Sectors, last 12 months - AI **2,045** - Biotech **386** - Healthcare **350** - Energy **325** - Fintech **281** - Big Data & Analytics **273** ## Cheques by Quarter Led Joined 2,598 Q1 25 2,568 Q2 25 2,646 Q3 25 2,772 Q4 25 2,650 Q1 26 2,386 Q2 26 1,900 Q3 26 522 Q4 26 The last bar is the quarter still running. ## Lists Like This - [AI investors in North America 3,859](https://millionrounds.com/lists/ai-investors-in-north-america) - [AI investors in Europe 2,283](https://millionrounds.com/lists/ai-investors-in-europe) - [Fintech investors in North America 1,309](https://millionrounds.com/lists/fintech-investors-in-north-america) - [Big Data & Analytics investors in North America 1,094](https://millionrounds.com/lists/big-data-investors-in-north-america) - [AI investors in Asia 1,047](https://millionrounds.com/lists/ai-investors-in-asia) - [Biotech investors in North America 1,001](https://millionrounds.com/lists/biotech-investors-in-north-america) - [Energy investors in North America 864](https://millionrounds.com/lists/energy-investors-in-north-america) - [Robotics investors in North America 848](https://millionrounds.com/lists/robotics-investors-in-north-america) - [Construction investors in North America 791](https://millionrounds.com/lists/construction-investors-in-north-america) [All investor lists *→*](https://millionrounds.com/lists) ## Reading for founders in climate and energy - Taming the Sun: Innovations to Harness Solar Energy and Power the Planet Varun Sivaram · 2018 4.06 from 510 ratings on Goodreads Climate and energy Innovation About the book How solar could spark a clean-energy transition through transformative innovation--creative financing, revolutionary technologies, and flexible energy systems. Solar energy, once a niche application for a limited market, has become the cheapest and fastest-growing power… On AmazonListen on Audible - Race for Tomorrow: Survival, Innovation and Profit on the Front Lines of the Climate Crisis Simon Mundy · 2022 4.22 from 207 ratings on Goodreads Climate and energy Innovation Company building About the book In this extraordinary journey through twenty-six countries, Simon Mundy meets the people on the front lines of the climate crisis, showing how the struggle to respond is already reshaping the modern world – shattering communities, shaking up global business, and propelling a… On AmazonListen on Audible - The Elements of Power: Gadgets, Guns, and the Struggle for a Sustainable Future in the Rare Metal Age David S. Abraham · 2015 4.06 from 264 ratings on Goodreads Climate and energy Company building About the book Our future hinges on a set of rare metals that few of us have even heard of. In this eye-opening book, a natural resource strategist reveals the critical importance of these transformative elements to our technological lifestyle and the consequences of our reliance upon them,… On AmazonListen on Audible - Scale: The Universal Laws of Growth, Innovation, Sustainability, and the Pace of Life in Organisms, Cities, Economies, and Companies Geoffrey B. West · 2017 4.11 from 5,764 ratings on Goodreads Climate and energy Company building Innovation About the book The former head of the Sante Fe Institute, visionary physicist Geoffrey West is a pioneer in the field of complexity science, the science of emergent systems and networks. The term “complexity” can be misleading, however, because what makes West’s discoveries so beautiful is… On AmazonListen on Audible More books for founders and investors on the [Reading List](https://millionrounds.com/reading-list?role=founder&industry=climate). As an Amazon Associate we earn from qualifying purchases. ## Quick answers about cleantech investors in Europe ### Who are the most active cleantech investors in Europe? By cheques observed, the most active are Y Combinator, Techstars, Alumni Ventures, Plug and Play and General Catalyst. ### How many cleantech investors in Europe are there? 492 are on record. 86% made an investment in the last 12 months and 52% have led a round. ### Which stages do cleantech investors in Europe back? Of the rounds with a named stage in the last 12 months, mostly Seed (28%) and Series A (20%). ### How big are the rounds cleantech investors in Europe join? The typical (median) round among the leading investors here is $4.3M. ### Which sectors do cleantech investors in Europe back most? In the last 12 months, mostly AI, Biotech and Healthcare. ### Which cleantech investors in Europe lead the most rounds? Accel (103 led), General Catalyst (97 led) and Lightspeed Venture Partners (83 led). ### Where are cleantech investors in Europe based? Among the most active, most are based in the United States (15), the United Kingdom (4) and France (2). ### What have cleantech investors in Europe invested in recently? Recent rounds include Vensum Power (Series A, Nov 2026, with Lifeline Ventures), Humble Robotics (Series A, Nov 2026, with Energy Impact Partners) and Ocient (Series C, Nov 2026, with In-Q-Tel). Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)