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Pre-Seed Green Building Companies

Explore 6 green building startups that raised pre-seed funding. Access verified founder contact information and fundraising data.

Total Companies
6
Total Funding
$1.9M
Avg Funding
$313K
Cities
6

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London, United Kingdom

An innovative SaaS platform empowering construction industry professionals to reduce the carbon impact of their projects.

Sep 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Boulder, United States
$275K
raised

Minus Materials grows carbon-negative, biorenewable limestone using microalgae

Aug 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Houston, United States
$300K
raised

AtmoSpark slashes building energy costs with breakthrough moisture capture technology

Mar 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Berlin, Germany
$1.1M
raised

Digital analysis, planning and financing of energy renovation for real estate

Sep 2023
Pre-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

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Madrid, Spain

FLEXOFibers classification of the waste of steel fibers produced during the tire recycling process.

Dec 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

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