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Seed Sustainability Companies

Explore 508 sustainability startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
508
Total Funding
$59.6M
Avg Funding
$2.4M
Cities
22

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Bogotá, Colombia

ClosetUp is building the leading B2B resale and circular commerce platform for fashion brands in LatAm.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$3.0M
raised

Restoration Climate is a thematic environmental commodities investment company focussed to help solve the climate crisis.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

Cambridge, United States
$4.1M
raised

Reservoir Power develops sustainable power grids for high-value power projects.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$6.0M
raised

Transition develops targeted chemical products that enhance wild microbial communities for cheaper, greener metal extraction.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

Venezia, Italy
$3.7M
raised

RARA Factory is a company that provides research and development of sustainable materials utilizing physics-based artificial intelligence.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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England, Germany
$269K
raised

Replacer is a platform helping organisations move away from problematic plastics, disposable items and unsustainable practices

Jan 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Pasadena, United States
$540K
raised

Geospatial AI, Satellite Remote Sensing, Soil Intelligence, Predictive Water Management, Smart Home

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

Miami, United States
$2.5M
raised

Zèya is a technology company that offers item listing, browsing, and peer-to-peer swapping.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$287K
raised

PANGEA is an impact startup using plastic science to develop circular products and materials that clean our planet and inspire the world.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

Barcelona, Spain
$2.1M
raised

Eltex focused on sustainable energy solutions, particularly solar auto-consumption systems, electric vehicle infrastructure.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Nieuw-amsterdam, The Netherlands
$1.2M
raised

Root Sustainability provides a platform for companies to achieve net-zero emissions through data-driven insights and automated solutions.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

Richmond, United States
$3.0M
raised

Mobius Materials develops and supplies silicon-based materials to improve efficiency in energy storage and semiconductor applications.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

Washington, United States
$500K
raised

Environmental traceability, at the speed of commerce

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

West Hollywood, United States
$5.0M
raised

evolvetogether is an e-commerce company that offers sustainable beauty products.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

Waiau, New Zealand
$677K
raised

Āmua Innovation specializes in developing solutions for pasture-based farming to lead natural food production.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Copenhagen, Denmark
$499K
raised

We turn sustainable collaborations into a competitive advantage

Nov 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Munich, Germany
$289K
raised

AI-powered platform revolutionising the way people sell items by making selling as effortless as buying.

Oct 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Tallinn, Estonia
$939K
raised

A hands-on fleet servicing marketplace for large B2B fleets.

Oct 2025
Seed

Founder Contacts

41,000+ verified contacts

Sonora, United States
$7.0M
raised

Restoring forests for future generations

Oct 2025
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$8.0M
raised

Nubila is a pioneer in the Environmental, Social, and Governance data industry, committed to revolutionizing sustainability projects.

Oct 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Tracy, United States
$350K
raised

ImpactEdge offers advanced, AI and Blockchain-enabled Sustainability management platform for large global enterprises.

Oct 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Madrid, Spain
$3.7M
raised

We unlock energy insights to everyone through energy retailers

Oct 2025
Seed

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands
$2.8M
raised

GreenShift Technologies is a sustainable computing platform designed to optimize cloud infrastructure and applications.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$320K
raised

We will elevate sustainable mobility with America's first electric flying ferry.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

Gothenburg, Sweden
$2.7M
raised

Cetasol is an innovative technology firm focusing on intelligent solutions for sustainability in marine sector.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

Showing 51 to 75 of 508 companies

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508 Sustainability Seed Startups (October 2026) — Page 3 | VCBacked