Top Sustainability Accelerators & VCs (2026)

Browse sustainability startup programs and VCs with updated offers, deadlines, and funding for 2026.

Updated Jan 2026

Search

Sort by

Filter

Open Programs Only

Remote Programs

Equity Free Programs

Found 28 programs total.

Sharjah Startup Studio (S3) by Sheraa

A six-month made-for-you program to help your venture scale in the UAE.

Application open

Equity-free program with in-kind contribution

Entrepreneurship Program

Blue Startups

Where East Meets West

BlueSwell Incubator

Launching Concepts into Scalable Ocean Impact

Application open

$35K, non-dilutive

Incubator

Freigeist

Unleashing European Tech Founders

Application open

€500K - €2m for 20%

Venture Capital Firm

European Startup Prize for mobility

Scale up your mobility startup in Europe !

NXT: Commercial Innovation Programme

InsurTech Innovation & Growth through Collaboration 🚀🤝

Application open

Sessions with insurers

Accelerator

Incubator

Entrepreneurship Program

Fundación Repsol

Fundación Repsol is Social Energy, reinforcing Repsol’s social commitment and calling.

OBRATORI

Exploring disruptive ideas in the men wellbeing and our Planet

VertueLab Climate Impact Fund

To unleash innovation and entrepreneurship that will solve environmental challenges and catalyze shared economic prosperity.

Application open

$100K - $300K

Entrepreneurship Program

Accelerator

Fund of Funds

Better Ventures

We Back Founders On a Mission To Build a Better World.

Venture Capital Firm

Micro VC

Greentech Europe 2022 Village Capital

Supporting gender-diverse greentech innovation in Europe

Application open

Free + $150K of grant available

Entrepreneurship Program

Techstars Sustainability Paris Accelerator

We invest in early stage high-growth startups looking to build a better future thanks to technology.

VenturePad Impact Accelerator

Go Further Together

Tribe Accelerator

Powering the next generation of blockchain ideas

Application open

Equity free & No fees

Accelerator

Venture Capital Firm

Sustainable Accelerator

We are sustainability veterans. We are successful Entrepreneurs and experienced Venture Capitalists. Leverage our industry networks, experience, and seed capital to get your start-up from idea to exit.

Application open

Accelerator

Better Food Ventures

We invest in businesses harnessing the power of information technology to create a better food system.

Venture Capital Firm

Micro VC

Investment Fund

Impactivs

Actionable expertise to help impact entrepreneurs take their ideas to market.

Application open

Mentorship Program

Ignite - ATI Boeing Accelerator

We help founders build incredible businesses all across the UK

Application open

£100K (uncapped)

Accelerator

Forest Valley Sandbox Program

At Forest Valley, we connect emerging climate tech solutions to investors, corporates, and the public sector

Application open

Accelerator

Mentorship Program

Obvious Ventures

Obvious Ventures is a venture capital firm that invests in the early and growth stages. In the near future, AI will generate new breakthroughs in health and climate

Katapult Ocean Accelerator

Building a global ecosystem of startups, corporates, organizations, research institutions and thoughtleaders

The Impact Accelerator

The tailored mentorship-focused programme is supported by content, events, workshops and webinars carefully curated to help impact startups flourish.

Application open

Accelerator

Emerging Futures

Supporting gender-diverse greentech innovation in Europe

Application open

Accelerator

Incubator

100+ Accelerator

Dream it. Do it. Join us, and together we’ll build a better future for the next 100+ years.

Accelerator

WindSail Capital

Clean Energy Financing Advancing Energy Innovation and Sustainability

Venture Capital Firm

Founders Bay Accelerator

The Founders Bay Accelerator is an equity-free, 6-month, intensive program for startups.

Application open

Accelerator

build3 impact Accelerator

we help you build impact ideas into startups.

₹25 lakh

Co-working Space

Entrepreneurship Program

Venture Fellows Program

Do you have an idea to make your community more resilient, equitable, & sustainable? The Venture Fellows program is a 9-month hands-on experience – we invest in diverse innovators to pilot good ideas that help communities become more resilient in response to the impacts of climate change.

Application open

Accelerator

Ready to discover all VCs?

FAQs about Sustainability funding

Best Sustainability 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).