
build3 impact Accelerator
we help you build impact ideas into startups.
Convertible Note
Impact Investing, Social Impact +7
₹25 lakh
Browse sustainable startup programs and VCs with updated offers, deadlines, and funding for 2026.
Updated Jul 2026
build3 impact Accelerator

we help you build impact ideas into startups.
Convertible Note
Impact Investing, Social Impact +7
₹25 lakh

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

BoxGroup is an early stage investment fund focused on technology companies. Contact Us: hello@boxgroup.com
Pre-Seed, Seed +3
FinTech, Deeptech +23
$100,000 – $1,000,000
$250K - $600K

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

Advantage Capital has invested over $3.8 billion in more than 800 portfolio companies and projects nationwide since 1992.
Debt Financing, Series A +8
Health, Food +59
$1,000,000 – $15,000,000

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

Plug and Play is an innovation platform bringing together startups and large corporations.
Seed, Series A +3
Enterprise Software, FinTech +80
$50K - $1M

A Global Venture Capital Firm Connecting Innovators Everywhere
Series A, Series B +3
FinTech, AI +11

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

Welcome to the most global, connected and tech-driven open innovation hub in the world.
Seed
Digital Health, Traveltech +2
€150K

Launch NY is a U.S. Treasury-designated Community Financial Institution (CDFI) and a 501(c)(3) nonprofit venture development organization.
Seed, Series B +3
Health, Climate +14

For A Better Built World.
Seed, Series A +3
Proptech, SaaS +11
$100 – $10,000,000

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

Fonds de solidarité FTQ is a private equity and venture capital firm.
Early Stage VC, Series A +3
Health, Energy +32

We fuel global inclusive future fintech.
Pre-Seed, Seed +4
FinTech, Enterprise +22

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

Growing the Philadelphia region's technology ecosystem for good.
Seed, Early Stage VC +4
Healthcare, Software +21

S28 Capital is a venture fund based in San Francisco run by operators and entrepreneurs who are helping the next generation of founders build their companies.
Seed, Early Stage VC +7
Software, Mobile +22
$100 – $10,000,000

Our mission is to introduce connect support and expand the startup & entrepreneurial ecosystem within Southwestern Pennsylvania making our region a center for i…
Seed, Early Stage VC +2
Software, Healthcare +14
$100 – $300,000

Vanterra | Ventures & Capital
Seed, Series A +1
Web3, Crypto +12
From $2,000,000

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

Global Food Innovation Fund Accelerator
Seed, Pre-Seed +2
Climate Impact, Food +12
$200K - $1M

WE INVEST IN FOUNDERS IMPACTING HISTORY
Pre-Seed, Seed +2
BioTech, Climate +23

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

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

Welcome to Downing LLP
Seed, Series A +5
Energy, Industry +10
$250 – $5,000,000

Breyer Capital is a global venture capital and private equity investor that focuses on catalyzing high-impact entrepreneurs.
Series A, Series B +6
FinTech, Health +53

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

Investing to solve global challenges
Series B, Series C +2
Circular Economy, Energy +8
$20M - $100M

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

Great products change the world. We fund the people who build them.
Seed, Pre-Seed +3
Software, Internet +63
$100 – $5,000,000
$1M - $5M

Environmental Sustainability
Seed, Pre-Seed +3
Health, Climate Impact +23
$50,000,000 – $500,000
$50K - $500K

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

Ecliptic Capital - Invest in Innovation
Pre-Seed, Seed +3
Deeptech, Hardware +44
$500 – $5,000,000

SPV is a leading early stage venture capital firm based in Salt Lake City, Utah, investing across the United States and parts of the UAE. We currenty have an AU…
Seed, Pre-Seed +5
Software, Internet +96
$500 – $8,000,000

Helena Projects | Helena
Series B, Series C +8
Climate Impact, Hardware +11
$10M - $15M

Improving lives through social innovation
Pre-Seed, Series A +4
Climate Impact, Hardware +11
$1,000,000 – $10,000,000
$200K - $15M

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

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

GREENSIDE CAPITAL PARTNERS
Series C
Renewables, Energy +3
$50M

Zinc builds new companies that solve the developed world’s toughest social issues.
Early Stage VC, Pre-Launch +2
Sustainable Development Goals, Tech For Good +8
$100,000 – $3,000,000
£250k

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

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

Portfolia Investing Funds Designed For Women
Pre-Seed, Seed +8
Real Estate, Proptech +68

We empower new high-tech businesses transforming technology into traction. Validate your business model, find your first customers and secure your first investm…
Not Seeking Funding
AI, B2B +12
Free program with zero equity taken; up to €5,000 prototyping grant

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

Impacting people’s lives in emerging & frontier markets through technology and entrepreneurship
Seed, Early Stage VC +3
FinTech, Health +29

Investing in extraordinary entrepreneurs to transform healthcare together.
Seed, Pre-Seed +3
Software, Internet +29

M Capital Partners is an investment company and French financing, independent and entrepreneurial.
Seed, Early Stage VC +1
Retail, Social +9

Early-Stage VC Firm | DeepWork Capital | Orlando, FL
Seed, Pre-Seed +3
Software, Internet +15
$100 – $10,000,000

to submit your project for review by our investment team click here
Seed, Series A +4
Agnostic, Climate Impact +14
$100 – $10,000,000

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

The startup journey is better together.
Seed, Early Stage VC +3
Mobile, Consumer +38
$500,000 – $1,300,000

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

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

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

Ponooc continues as Move Energy
Series A, Seed +3
Energy Efficiency, Energy Generation +64
$500,000 – $5,000,000
$500K - $5M
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Best Sustainable accelerators/VCs in 2026?
See the curated list below; filter by open deadlines and offer terms.
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Check the “Open now” section for future deadlines and active cohorts.
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Many programs support remote; confirm on each card’s details (remote flag or location).