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Pre-Seed Carbon Capture Companies

Explore 15 carbon capture startups that raised pre-seed funding. Access verified founder contact information and fundraising data.

Total Companies
15
Total Funding
$12.0M
Avg Funding
$800K
Cities
13

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Karlsruhe, Germany
$833K
raised

Rement develops a resource recovery technology for concrete waste that stores carbon as a co-benefit.

Sep 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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

Zug, Switzerland

Open Forest Protocol is building the most transparent monitoring tools and financing mechanisms for nature-based climate solutions.

Sep 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Madrid, Spain
$300K
raised

Land as a Service (LaaS)

Jun 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Lausanne, Switzerland
$1.4M
raised

Qaptis combats climate change by capturing CO2 emissions at the source.

Mar 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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London, United Kingdom
$717K
raised

Insuring carbon credit delivery from the earliest stages through our proprietary real-time risk model.

Nov 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$1.4M
raised

Turnover Labs strives to decarbonize the chemical production business.

Oct 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States
$500K
raised

Offstream is a Climate Data and Analytics firm that helps with the carbon compliance for infrastructure project.

Sep 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Alberta, United States
$800K
raised

CO2Brew provides a CO2 recovery technology specifically designed to help small-to-medium-sized craft breweries reduce their GHG emissions.

Jul 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$1.9M
raised

Solving the complexity of buying and managing carbon removals so organisations can own compliant carbon removals with confidence.

Mar 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Edinburgh, United Kingdom
$1.4M
raised

Forge Minerals convert CO2 into high value, carbon-negative minerals.

Jan 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Sariyer, Turkey
$120K
raised

Algbio treats wastewater and captures CO2 with microalgae to produce biofuels, bioplastics, biomaterials and generate carbon credits.

Nov 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Turin, Italy
$1.9M
raised

CarpeCarbon is an innovative startup working to extract CO2 from the atmosphere and save the planet.

Nov 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Pedro, Mexico
$800K
raised

Tierra Prieta takes advantage of organic waste and transforms it into a long-term carbon removal called Biochar.

Nov 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Wilmington, United States

AI powered discovery of breakthrough materials for industrial process cost reduction

Oct 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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