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.

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

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

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
Contact details for membersInvestor in clean tech, industrial and life science technology companies.

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

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

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

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…

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

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

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

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

Funds startups that reduce emissions using innovative sustainability technologies.

MCJ (My Climate Journey)
Contact details for membersClimate venture capital for seed and Series A founders in energy, industry and resilience.

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

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

Supernova Invest
Contact details for membersDeeptech investor across industrial tech, digital, healthcare and cleantech.

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

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

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

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…

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

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

BlackTech Capital
CanadaA Toronto-based pre-seed and seed fund investing in Black and underrepresented founders in ClimateTech and CleanTech.

blueworld.group
GermanyInvests in startups developing sustainable technologies across multiple sectors.

Capricorn Investment Group
United StatesInvests in companies innovating for sustainability across various critical sectors.

Energy Foundry
United StatesInvests 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
NetherlandsInvests in companies driving the transition to a low-carbon economy, focusing on clean energy, mobility, and sustainable urban development.

Idealist Capital
CanadaFocuses on accelerating the energy transition and decarbonization by providing growth capital to entrepreneurs.

Inven Capital
CzechiaInvests in cleantech startups advancing a sustainable and efficient energy future.

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

Kiko Ventures
United KingdomInvests in deep tech and climate innovations driving sustainability in energy, materials, and agriculture.

MKB
CanadaFocuses 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
United StatesProvides strategic investment banking services for the sustainable infrastructure sector.

Obvious Ventures
United StatesInvests in early-stage startups focused on sustainable and impactful innovations.

PFR GreenHub FoF
PolandA 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
AustraliaFunds startups advancing clean energy technologies across solar, wind, storage, and electric mobility.

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

Sandbrook Capital
United StatesAccelerates the global clean energy transition by investing in infrastructure and companies reducing carbon emissions.

Thin Line Capital
United StatesBased in Pasadena, CA, invests in early-stage clean energy and climate change companies, seeing decarbonization as a significant economic opportunity.

Zouk Capital
United KingdomA 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.