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Cleantech Investors

Cleantech investors fund companies that make energy, industry and resources cleaner and more efficient. The term covers clean energy, efficiency, water, materials and the software and hardware around them.

These funds describe themselves as cleantech or clean energy investors. For specific segments, see the renewable energy, energy storage and decarbonization lists.

42 investors listed, 22 with recorded stage, check size or contact details for members.

Members see the contact route, stage focus and stated check sizes for 22 of these investors, each with a source and verification date.

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4impact logo

4impact

NetherlandsContact details for members

Invests in European Tech4Good startups that combine technological innovation with positive impacts on the planet and society, supporting fields like sustainable fashion, digital h…

Aligned Climate Capital logo

Aligned Climate Capital

United StatesContact details for members

Invests in projects and companies supporting infrastructure for a low-carbon economy, focusing on clean energy, water, agriculture, waste management, and transportation, aiming fo…

Ankur Capital logo

Ankur Capital

IndiaContact details for members

Invests in early-stage digital, climate, and deep science tech companies in India, supporting founders addressing complex problems in agriculture, healthcare, and sustainability w…

Anzu Partners logo

Anzu Partners

Contact details for members

Investor in clean tech, industrial and life science technology companies.

ArcTern Ventures logo

ArcTern Ventures

CanadaContact details for members

Focuses on sustainable technologies addressing climate change, investing in sectors like clean energy, energy efficiency, advanced manufacturing, and sustainable food systems, and…

Clean Energy Ventures logo

Clean Energy Ventures

United StatesContact details for members

Invests in clean energy innovations reducing greenhouse gas emissions for a sustainable future.

Clean Growth Fund logo

Clean Growth Fund

United KingdomContact details for members

Empowers early-stage clean tech startups with capital and expertise, focusing on innovative climate solutions.

Earthshot Ventures logo

Earthshot Ventures

United StatesContact details for members

Invests in startups tackling climate change from Pre-Seed to Series B, focusing on clean energy, regenerative food, low-carbon transportation, and industrial decarbonization, supp…

eCAPITAL logo

eCAPITAL

GermanyContact details for members

Provides funding to German tech startups, focusing on sustainability and innovation.

EIT InnoEnergy logo

EIT InnoEnergy

NetherlandsContact details for members

Accelerates sustainable energy innovations by supporting companies across the energy value chain with funding, network access, and expertise.

Energy Impact Partners logo

Energy Impact Partners

United StatesContact details for members

Invests in technologies driving the sustainable energy transition, including renewables, smart grids, and electrification.

ENGIE New Ventures logo

ENGIE New Ventures

FranceContact details for members

Invests in startups developing technologies for renewable energy, energy efficiency, and sustainable mobility.

Lowercarbon Capital logo

Lowercarbon Capital

United StatesContact details for members

Funds startups that reduce emissions using innovative sustainability technologies.

MCJ (My Climate Journey) logo

MCJ (My Climate Journey)

Contact details for members

Climate venture capital for seed and Series A founders in energy, industry and resilience.

Planet A Ventures logo

Planet A Ventures

GermanyContact details for members

Invests in startups with technologies that significantly benefit the environment across various sectors.

SHIFT Invest logo

SHIFT Invest

NetherlandsContact details for members

Drives positive environmental and social impact by supporting early-stage startups in agri-food, clean tech, and circular economy.

Supernova Invest logo

Supernova Invest

Contact details for members

Deeptech investor across industrial tech, digital, healthcare and cleantech.

TDK Ventures logo

TDK Ventures

United StatesContact details for members

Invests globally in early-stage tech startups, supporting "Impact Scaling" entrepreneurs focused on sustainability and social value.

Tomorrow VC logo

Tomorrow VC

United StatesContact details for members

Invests in early-stage startups addressing global challenges like climate change, sustainability, and social impact, supporting visionary entrepreneurs with capital and resources…

Übermorgen Ventures logo

Übermorgen Ventures

SwitzerlandContact details for members

Supports early-stage climate tech startups in agri-food, clean energy, green transportation, and carbon capture to drive impactful change.

Virescent Ventures logo

Virescent Ventures

AustraliaContact details for members

An Australian venture capital firm investing in companies targeting zero emissions and beyond, focusing on hard-to-abate sectors like clean energy, mobility, food, agriculture, an…

Wireframe Ventures logo

Wireframe Ventures

United StatesContact details for members

A San Francisco-based venture capital firm committed to investing in startups that aim to build a better world through technology, focusing on early-stage companies in sectors lik…

Activate Capital logo

Activate Capital

United States

Invests in high-growth companies developing sustainable and connected technologies in energy, industry, and infrastructure, supporting innovations in clean energy, intelligent mob…

Avesta Fund logo

Avesta Fund

United States

Focuses on seed-stage startups advancing decarbonization and economic inclusion, investing in tech-enabled companies across North America in sectors like sustainable agriculture,…

BlackTech Capital logo

A Toronto-based pre-seed and seed fund investing in Black and underrepresented founders in ClimateTech and CleanTech.

blueworld.group logo

Invests in startups developing sustainable technologies across multiple sectors.

Capricorn Investment Group logo

Invests in companies innovating for sustainability across various critical sectors.

Energy Foundry logo

Energy Foundry

United States

Invests in early-stage startups in energy and cleantech, focusing on disruptive technologies for a sustainable future, and has launched Earth Foundry to scale its impactful invest…

Global Cleantech Capital logo

Invests in companies driving the transition to a low-carbon economy, focusing on clean energy, mobility, and sustainable urban development.

Idealist Capital logo

Focuses on accelerating the energy transition and decarbonization by providing growth capital to entrepreneurs.

Inven Capital logo

Invests in cleantech startups advancing a sustainable and efficient energy future.

Junction Growth Investors logo

Provides growth capital to Western European SMEs in clean tech and renewable energy, focusing on reducing greenhouse gas emissions.

Kiko Ventures logo

Kiko Ventures

United Kingdom

Invests in deep tech and climate innovations driving sustainability in energy, materials, and agriculture.

MKB logo

MKB

Canada

Focuses on accelerating the energy transition by investing in climate innovation, providing capital to companies in clean energy, mobility, built environment, and industrial secto…

Nomura Greentech logo

Nomura Greentech

United States

Provides strategic investment banking services for the sustainable infrastructure sector.

Obvious Ventures logo

Obvious Ventures

United States

Invests in early-stage startups focused on sustainable and impactful innovations.

PFR GreenHub FoF logo

A fund-of-funds initiative managed by PFR Ventures, focusing on investments in ecology, renewable energy, and clean technologies as part of a broader effort to finance environment…

Powerhouse Ventures logo

Funds startups advancing clean energy technologies across solar, wind, storage, and electric mobility.

Renewal Funds logo

Focuses on early-growth stage investments in North American companies promoting environmental sustainability and social responsibility, particularly in green consumer products, cl…

Sandbrook Capital logo

Sandbrook Capital

United States

Accelerates the global clean energy transition by investing in infrastructure and companies reducing carbon emissions.

Thin Line Capital logo

Thin Line Capital

United States

Based in Pasadena, CA, invests in early-stage clean energy and climate change companies, seeing decarbonization as a significant economic opportunity.

Zouk Capital logo

Zouk Capital

United Kingdom

A private equity and infrastructure fund manager focused on the sustainable economy, operating primarily in sectors combining infrastructure, technology, and sustainability with s…

Frequently asked questions

What is the difference between cleantech and climate tech investors?

The terms overlap heavily. Cleantech is the older label and tends to emphasize clean energy and resource efficiency, while climate tech is broader and includes areas such as carbon removal and climate resilience.

Are all of these funds early-stage?

No. They range from pre-seed funds to growth and infrastructure investors. Open a profile to see the fund’s own description of where it invests.

How do I find out how to contact these investors?

Each profile links to the fund and summarizes its focus. ClimateTechReview members can also see recorded details such as stage focus, stated check sizes and the fund’s own pitch or contact route, with a source and verification date.

Browse investors by focus or country