We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.
There are 6 start-ups with an aggregate funding of $61.7m. The average funding per company in this subset is $10.3m.
Last update to the database: Sep 2, 2025. See changelog.
1
Funding Rounds
$5.8m
Money raised
Made of Air is a carbon storage company converting captured carbon into biomass and biochar for negative emissions products.
7
Funding Rounds
$39.5m
Money raised
Biochar Now, LLC is a Loveland, Colorado-based company founded in 2011.
1
Funding Rounds
Vision RNG brought together a team of seasoned professionals with decades of experience across the natural gas and waste management industries.
1
Funding Rounds
$1.8m
Money raised
Glanris, Inc. is a Memphis, Tennessee-based biochar company founded in 2018.
1
Funding Rounds
$11.5m
Money raised
Terraton is a San Francisco-based climate tech startup building a full-stack platform for biochar-based carbon removal. Founded by Kevin Gibbs and Greg D’Alesandre, it helps agribusiness operators deploy biochar facilities, generate carbon credits, and scale sustainable climate solutions in emerging markets.
1
Funding Rounds
$3.2m
Money raised
Base Carbon Corp. is a biochar company founded in 2021.
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