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Seed GreenTech Companies

Explore 178 greentech startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
178
Total Funding
$67.3M
Avg Funding
$2.7M
Cities
21

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Chevy Chase, United States
$7.5M
raised

ETCH commercializes a chemical process that generates low-cost hydrogen by splitting natural gas into hydrogen and solid carbon.

Jul 2023
Seed

Founder Contacts

41,000+ verified contacts

Conway, United States
$8.1M
raised

NativState is a carbon company that creates forest management plans with landowners to enhance the carbon potential of their land.

Jun 2023
Seed

Founder Contacts

41,000+ verified contacts

Copenhagen, Denmark
$135K
raised

Disrupting telecom for the good of people and the planet!

May 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Calgary, Canada
$2.3M
raised

Karbon-X is a carbon marketing company that specializes in selling carbon credits directly to businesses.

May 2023
Seed

Founder Contacts

41,000+ verified contacts

Cambridge, United Kingdom
$5.6M
raised

To give businesses and markets the data they need to invest in positive outcomes for nature.

Apr 2023
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Chicago, United States
$800K
raised

demi is the future of urban composting, with the first autonomous collection system designed for cities & buildings.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$6.5M
raised

GaeaStar develops manufacturing and engineering solutions for geo-neutral vessels.

Apr 2023
Seed

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands
$1.6M
raised

We bring a fast & sustainable delivery experience to the front door of retail customers

Apr 2023
Seed

Founder Contacts

41,000+ verified contacts

Copenhagen, Denmark
$11.2M
raised

Lun builds software to decarbonise homes faster.

Mar 2023
Seed

Founder Contacts

41,000+ verified contacts

Roma, Italy
$256K
raised

Removing pollution by driving vehicles

Mar 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Paris, France
$5.5M
raised

SaaS Leading Carbon Management Platform

Feb 2023
Seed

Founder Contacts

41,000+ verified contacts

Tallinn, Estonia
$2.2M
raised

Grúnfin is a sustainable investing platform for people who care about their impact.

Jan 2023
Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$273K
raised

Redigo is a sustainability platform that with use of Machine Learning allows companies to track, analyse and act on their carbon footprint.

Jan 2023
Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$1.7M
raised

Adia Thermal provides technology that enables heat pumps installations.

Jan 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Houston, United States
$5.0M
raised

DexMat is the maker of Galvorn, a conductive carbon nanomaterial that outperforms GHG-intense alternatives.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Paris, France
$2.4M
raised

Radiant decarbonise heat for industry.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$250K
raised

The Build is aimed squarely at General Contractors, Do-It-Yourselfers, Plumbers, Electricians, Masons, and Carpenters.

Jan 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Lancaster, United Kingdom
$267K
raised

ADTechOptima boosts biomass power by increasing biogas yield, restoring failed AD plants, and enabling high-volume waste processing.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Calgary, Canada

Helping companies calculate and reduce emissions to reach net zero.

Jan 2023
Seed

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden
$674K
raised

Done is the operating system for green energy installations - EV Chargers, Battery storage and Heat pumps.

Dec 2022
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Osaka, Japan
$1.0M
raised

LEP makes glowing plants that light up areas without electricity for farms, cities, and public spaces.

Dec 2025
Seed

Founder Contacts

41,000+ verified contacts

Rome, Italy
$563K
raised

TAC is a business application that allows clients to create and share digital business cards and corporate documents.

Dec 2021
Pre-Seed

Founder Contacts

41,000+ verified contacts

Saint-ouen, France
$2.3M
raised

NOTOM is a Greentech firm offering an automation paltform for OT and IT ecosystem.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

Singapore, Singapore
$75K
raised

The ultimate expert hub for Green Skills, thriving sustainability careers, and future-proofed pathways

Dec 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Kinross, United Kingdom
$1.1M
raised

LIND is a battery storage transformation firm that focuses on reducing carbon with unique patented technology to store green electricity.

Dec 2023
Seed

Founder Contacts

41,000+ verified contacts

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