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Sustainability Startups

Updated July 2026

Companies in the sustainability sector developing innovative solutions and technologies.

Explore 1,322 recently funded sustainability companies with verified founder contact information and fundraising data.

Total Companies
1,322
Total Funding
$1.7B
Avg Funding
$68.6M
Global Reach
12
countries

Top Cities for Sustainability

Istanbul
Luxembourg
Stockholm
Chicago
Copenhagen
Delft

Recently Funded Companies

Export
Istanbul, Turkey

Local Greens is an indoor farming company operating in metropolitan cities to grow healthy, premium quality and delicious vegetables.

Jun 2022

Founder Contacts

30,000+ verified contacts

Luxembourg, Luxembourg

SustainCERT is a carbon emissions accounting and verification platform for carbon markets and corporate value chains.

$36.9M raised
Jun 2023

Founder Contacts

30,000+ verified contacts

Stockholm, Sweden

Datia is a data platform for sustainable finance, working with forward-thinking financial institutions to automate their ESG workflows.

$3.4M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Chicago, United States

Rheaply provides a platform that enables organizations to exchange materials and resources effectively.

$20.0M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Copenhagen, Denmark

Seaborg develops the Compact Molten Salt Reactor - a smal modular reactor based on molten fluoride salt.

$2.7M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Delft, The Netherlands

Tarnoc is a forward-thinking business that is committed to creating a novel heat pump technology.

$1.4M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

New York, United States

Onyx is a national provider of clean energy and decarbonization solutions to businesses, real estate, schools and government agencies.

$260.0M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Boston, United States

Ayana Bio is a biotechnology company that produces plant and fungal bioactive ingredients for health and wellness.

$1.3M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Vancouver, Canada

DevvStream Holdings helps organizations meet their net zero goals by providing them access to high-quality carbon credits.

$1.5M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Stockholm, Sweden

Ecohelix is a Swedish greentech company leading the way in sustainable wood-based biopolymer technology

$2.5M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

URECA is a climate-tech startup whose mission is to make carbon offsetting accessible to everyone by utilising cutting-edge technology.

$875K raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Palo Alto, United States

Terra AI is a technology company that develops artificial intelligence software for the mining, energy, and subsurface resource sectors.

$20.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Cupertino, United States

Refiberd uses AI and hyperspectral imaging systems to enable intelligent sorting in textile-to-textile recycling.

$200K raised
Jun 2025

Founder Contacts

30,000+ verified contacts

London, United Kingdom

AI-enabled data management platform focused on bringing transparency and accuracy to nature-based asset reporting.

$30.0M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Tokyo, Japan

Morus is a food technology firm that specializes in the research and development of sustainable protein and new food alternatives.

$5.0M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Lenexa, United States

Hostess Brands is a packaged food company focused on developing, manufacturing, marketing, selling and distributing fresh baked sweet goods.

$1.2B raised
Jun 2023

Founder Contacts

30,000+ verified contacts

Kells, Ireland

Hexafly is a technology for food materials.

Jun 2023

Founder Contacts

30,000+ verified contacts

Medford, United States

Evolved By Nature is a biotech company that focuses on creating Activated Silk technology.

$120.0M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Goleta, United States

Apeel Sciences develops plant-derived shelf life extension technology for fresh produce that improves quality and reduces food waste.

Jun 2023

Founder Contacts

30,000+ verified contacts

Morrisville, United States

Keel Labs (formerly AlgiKnit) is a biomaterials company creating ocean-focused materials built from renewable resources.

$13.0M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Zürich, Switzerland

Project Circleg develops sustainable, low-cost prosthetic legs for amputees, using recycled plastics.

$1.7M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Stockholm, Sweden

Empowering People Worldwide

$2.5M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Eindhoven, The Netherlands

Tibo Energy is an energy management company that offers an Energy Management System to eliminate grid congestion and optimize energy use.

$7.0M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Zürich, Switzerland

Xilva’s project grading helps investors to decide for the right Nature-based Solution projects.

Jun 2023

Founder Contacts

30,000+ verified contacts

Stockport, United Kingdom

UK energy reduction specialists. 3,000+ sites served, 166.5M+ kWh saved. Voltage optimisation, solar PV, KBR and energy monitoring.

$661K raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Showing 226 to 250 of 1,322 companies

About the Sustainability Startup Ecosystem

The sustainability sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in Sustainability

Sustainability companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The sustainability sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

Sustainability Funding Breakdown

Here is how funding is distributed among the 1,322 sustainability companies tracked in the VCBacked database.

Average Funding
$68.6M
Total Funding Tracked
$1.7B
Countries Represented
12

Distribution by Funding Stage

Other25 companies

Top Cities for Sustainability

1.Stockholm
3 companies$8.4M
2.Zürich
2 companies$1.7M
3.Istanbul
1 companiesUndisclosed
4.Luxembourg
1 companies$36.9M
5.Chicago
1 companies$20.0M

Related Industries

Companies in the sustainability sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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1,322 Sustainability Startups (2026) — Recently Funded Companies, Investors & Rounds | VCBacked