
Khosla Ventures
Khosla Ventures provides venture assistance and strategic advice to
Seed, Series B +4
AI, Health +48
$5,000,000 – $50,000,000
Browse cleantech startup programs and VCs with updated offers, deadlines, and funding for 2026.
Updated Jun 2026

Khosla Ventures provides venture assistance and strategic advice to
Seed, Series B +4
AI, Health +48
$5,000,000 – $50,000,000

Lightspeed Venture Partners is a venture capital firm that engages in consumer, enterprise, technology, and cleantech markets.
Pre-Seed, Seed +4
Enterprise, AI +16

We invest in climate
Pre-Seed, Seed +3
Climate, Deeptech +31
$100 – $25,000,000

Collaborative Fund is a leading source of capital for entrepreneurs pushing the world forward. Collaborative Fund backs entrepreneurs pushing the world forward.
Seed, Early Stage VC +3
E Commerce, Healthcare +35
$500K - $2.5M

ACCELR8 is an impact fund investing to accelerate the reduction and sequestration of greenhouse gases.
Seed, Early Stage VC
Waste, Tech For Good +18
$100 – $5,000,000

A sustainability focused venture capital fund
Seed, Series A +4
Transportation, Hardware +61
$3,000,000 – $10,000,000

SOSV is a multi-stage VC firm with $1.3B AUM focused on human and planetary health and operating HAX, IndieBio, Orbit Startups and dlab.
Pre-Seed, Seed +2
Deeptech, Hardware +58
$250 – $525,000

Sofinnova deploys human and financial capital to turn dreams into drugs. We are a clinical-stage biopharmaceutical venture capital firm with approximately $2B i…
Seed, Early Stage VC +7
Health, Enterprise Software +112
$1,000,000 – $60,000,000

SJF Ventures – High Growth. Positive Impact.
Seed, Early Stage VC +6
Software, Internet +35
$3M - $10M

Northstar Ventures is an early stage VC, working with mission-based founders trying to solve solve societal challenges.
Seed, Early Stage VC +3
Enterprise Software, Marketing +41
$150 – $700,000

The leading accelerator for tech startups.
Pre-Seed, Seed
HealthTech, Media +16
€50K for 6% for 6%

Make change, make money.
Pre-Seed, Seed
Health, Consumer +96
$500 – $1,000,000
$500K - $1M

OUP is a venture capital fund investing in start-ups that commercialize university research.
Series A, Series B +6
Health, Enterprise Software +40
$5,000,000 – $20,000,000

We Back Founders On a Mission To Build a Better World.
Pre-Seed, Seed +1
Climate, Health +99
$25,000,000 – $800,000

Lowercarbon Capital backs kickass companies that make real money slashing CO2 emissions, sucking carbon out of the sky, and buying us time to unf**k the planet.
Seed, Series A +3
Climate, Energy +30
$100 – $5,000,000

An early-stage venture capital fund, investing in exceptional entrepreneurs in the Central US. WE GIVE FOUNDERS BETTER ODDS.
Seed, Early Stage VC +4
Internet, Healthcare +43

We back visionary founders who are building technologies of the future.
Pre-Seed, Seed
BioTech, AI +147
$300 – $2,000,000

Since 2012 we at LDV Capital thrive on collaborating with deep tech teams who leverage computer vision machine learning and artificial intelligence to analyze v…
Pre-Seed, Seed
AI, Deeptech +71
$500 – $1,000,000

Serena Capital caters to technology companies with seed, early, and later stage venture investments.
Seed, Series A +4
Software, Internet +72
$200 – $15,000,000

Massachusetts Clean Energy Center offers energy development and implementation services for cleantech businesses.
Seed, Series A +3
Energy, Transportation +23
$200 – $1,500,000

Pangaea Ventures invests in companies solving fundamental problems in the world with advanced materials and hard technology; Impact Investor
Series B, Series A +2
Energy, Health +32
$2M - $7M

Europe's most experienced B2B startup accelerator.
Pre-Seed, Seed +2
Hardware, Software +75
$50,000,000 – $200,000
$100K - $500K

Elemental is a leading non-profit investor focused on scaling climate solutions and social impact for all communities.
Seed, Series A +4
Energy, Food +70
$300k for strategy track

A seed stage investment fund based in Brooklyn NY Brooklyn’s first early stage venture fund
Seed, Early Stage VC +3
Financial Services, Software +56
$300 – $400,000

Venture capital fund for investing in women-led businesses making a positive impact through greener and healthier technologies - true wealth.
Pre-Seed, Seed +2
Health, Climate +24
$100,000 – $5,000,000

A Leading Investment Firm at the Forefront of Building the Circular Economy
Pre-Seed, Seed +3
Materials, Food +48
$250K - $1M

Village Capital builds bridges for entrepreneurs who are creating an inclusive and sustainable world.
Seed, Early Stage VC +2
FinTech, Education +104

Pale Blue Dot is a seed-stage ClimateTech venture fund investing in companies that reduce and reverse the effects of climate change.
Pre-Seed, Seed +1
Climate, Food +11
$500K - $2M

We help local heroes build global success.
Seed, Series A +3
Software, Internet +62
$300 – $1,000,000
€100K for 12%

We support founders who turn theory into action as they work to build a better world for everyone
Pre-Seed, Seed +2
Climate, Energy +25
$150K - $250K

Dual-platform investor whose sister firm's corporate climate‑tech practice and strategic corporate LP network deliver proprietary deal flow and direct buyer and…
Pre-Seed, Seed +2
Energy, Climate +34
$500K - $2M

NOON Ventures | Early-Stage Deeptech Venture Capital Fund
Pre-Seed, Seed
Deeptech, Hardware +76
€2M - €5M

Transformative Capital for the New Indian Economy
Seed, Series A +3
Software, Internet +86
$100 – $5,000,000

investing in entrepreneurs to MOVE THE WORLD FORWARD
Pre-Seed, Seed +2
Media, FinTech +30
$200 – $2,000,000

Radicle Growth Food and Agriculture Venture Capital
Seed, Pre-Seed +3
Software, Internet +46
$500K - $1M

We leverage our capital and industry specific knowledge to accelerate the transition to a sustainable food system.
Seed, Early Stage VC +3
Food, Beverage +34
$150K - $4M

Corporate reinsurer-backed investor offering deep, proprietary insight into insurtech, AI diagnostics, mobility, IoT and climate, and underwriting, reinsurance…
Seed, Series B +3
InsurTech, Cybersecurity +35
$1,000,000 – $10,000,000

We help founders who see the future differently build it. Talis Capital invests with high conviction at Seed & Series A across Europe and US.
Seed, Series A +2
Enterprise Software, FinTech +44
$1M - $10M

Created by entrepreneurs for entrepreneurs. The Fuel Ventures Funds invest between £150k & £3m into tech companies with early commercial traction
Seed, Series A +4
FinTech, Enterprise Software +71
$200 – $4,000,000

we believe phenomenal people build phenomenal businesses
Seed, Pre-Seed +3
Software, Internet +53
$200 – $2,000,000

Europe’s leading early-stage tech for good VC
Seed, Series A +5
Software, Internet +41
£30K for 7%

We invest at the intersection of purpose and profit.
Seed, Early Stage VC +7
E Commerce, Software +35
$100 – $5,000,000

scalable technology for the global imperative
Series A, Series B +1
Climate Impact, Hardware +53
$15M

eCAPITAL is a venture capital firm that provides early to growth stage funding to technology companies.
Early Stage VC, Seed
Security, Enterprise Software +20
$1,000,000 – $5,000,000

Tech4Trust Season 4 Swiss 6-month acceleration program for promising startups in the fields of digital trust and cybersecurity
Early Stage VC, Multi-Stage VC +1
Aerospace, Agrifood +24
Equity-free program with up to CHF 150K in cash and in-kind prizes

Investing in venture capital Funds (US, EU, IL, CN, IN) and direct (digital, sustainability, health).
Early Stage VC, Growth +2
GreenTech, Biodiversity +40

This is our Earthshot.
Series A, Series B +3
AI, Machine Learning +21
$500K - $2.5M

We invest in digital solutions to climate change.
Seed, Series A +1
Finance, Crypto +41
$500 – $5,000,000
$1M - $5M

CIC backs life sciences and technology companies in Europe’s leading ecosystem, Cambridge. A preferred investor for the university.
Seed, Series A +4
Health, Deep Technology +84
$1,000,000 – $10,000,000

Featured Stories
Seed, Series A +2
Climate, Food +40
$50,000,000 – $1,000,000
$200K - $5M

At Climactic we believe our focus on early stage investments in climate tech for the enterprise and mobility combined with our 20+ years of general tech experie…
Seed, Series A +1
Climate, Energy +44

Let's build stuff that truly matters! We back game-changing companies across Europe to achieve global impact.
Seed, Series A +2
Health, Education +108
$500 – $3,000,000
$500K - €3M

Vision Ridge Partners is a sustainable real assets investor that seeks to capitalize on the global transition to sustainability by identifying, developing, and…
Seed, Pre-Seed +6
Logistics, Transportation +40

Techstars Sustainability Paris accelerator invests in early stage high-growth startups looking to build a better future thanks to technology.
Convertible Note, Early Stage VC
Impact Investing, Energy +15
$220K for 6%

Praetura Ventures has been supporting entrepreneurs with more than money since 2011. Click to find out more about how we can help businesses and investors.
Early Stage VC, Seed +2
Enterprise Software, FinTech +37
Equity investments ranging from £200K to £8M.

The European climate tech partner.
Series B, Series C +3
Climate Impact, Biodiversity +19
$5,000,000 – $15,000,000
$5M - $40M

468 Capital -
Seed, Series A +4
Software, Internet +20
$100,000 – $100,000,000

Impact Scalers
Seed, Series A +5
Mobility, Transportation +38
$100,000 – $5,000,000
$500K - $5M

We look for companies using defensible, highly-scalable technology to drive step change improvements within the areas of:
Pre-Seed, Seed +1
Climate Impact, Photovoltaic +42
$100 – $4,000,000
$200K - $2M

Powering the things you love
Pre-Seed, Seed +5
AI, Machine Learning +13
$5M - $7M

The Clean Growth Fund London is a £101m climate venture capital fund. Get in touch if you're looking for investment.
Pre-Seed, Seed +2
Climate Impact, Software +11
$500,000 – $3,750,000
$500K - $3M

Investing in a sustainable future.
Pre-Seed, Seed +1
Circular Economy, Mobility +26
$300 – $2,000,000
$2M

Empowering climate tech founders
Pre-Seed, Seed +2
Carbon Capture / CCUS, Plant-Based Meat +22
$100 – $5,000,000
$500K - $5M

Starquest Capital is a venture capital firm based in France that helps accelerate the growth of entrepreneurs.
Seed, Early Stage VC +3
Energy, Marketing +36
$1,000,000 – $10,000,000

Rethink Impact invests in entrepreneurs tech platforms and networks that are ecosystems of change. We are a venture capital fund that seeks...
Seed, Early Stage VC +3
Software, Internet +113

Future Planet is an impact-led venture capital firm that invests in technology and life science companies from leading research centres
Series B, Seed +4
Enterprise Software, Health +58
$25,000,000 – $3,000,000

ETF Partners supports talented entrepreneurs and management teams with investment capital and experience.
Early Stage VC, Series B +4
Energy, Enterprise Software +56

Enabling entrepreneurs to sustainably revolutionize agrifood systems, globally.
Seed, Early Stage VC +2
Agriculture, BioTech +17

Ponooc continues as Move Energy
Series A, Seed +3
Energy Efficiency, Energy Generation +64
$500,000 – $5,000,000
$500K - $5M

Funding a better tomorrow
Seed, Series A +2
Real Estate, Proptech +26
$1,000,000 – $5,000,000
$1M - $5M

BUILDING COMMUNITY
Pre-Seed, Seed +2
Built World, Construction +23
$250 – $2,000,000
$250K - $2M

We are the pioneers of impact investing in continental Europe - since 2003, we’ve proven that true impact and financial return go hand in hand. We’ve backed ove…
Seed, Series A +1
Climate Impact, Software +55
$1,000,000 – $2,000,000
$500K - $2M
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Best CleanTech accelerators/VCs in 2026?
See the curated list below; filter by open deadlines and offer terms.
Which programs are open right now?
Check the “Open now” section for future deadlines and active cohorts.
What are typical funding/equity terms?
Offers vary by program; see each card for check size, equity, or equity-free notes.
Are there remote options?
Many programs support remote; confirm on each card’s details (remote flag or location).