7 Best Direct Air Capture Startups to Watch in 2025

The Definitive Seedtable Ranking of Direct Air Capture Startups

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 7 start-ups with an aggregate funding of $1.1b. The average funding per company in this subset is $150.8m.

Last update to the database: Feb 18, 2025. See changelog.

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10

Funding Rounds

$876.0m

Money raised

Climeworks is a clean technology company that has developed technology for carbon dioxide (CO2) capture from ambient air. It was founded in 2009 and is located in Zurich, Switzerland.

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9

Funding Rounds

$119.5m

Money raised

Carbon Engineering is building technologies to capture CO2 directly from the atmosphere, and to use that CO2 in the synthesis of clean transportation fuels that displace crude oil.

1

Funding Rounds

$13.0m

Money raised

Limestone-based direct air capture (DAC) technology developer to remove carbon from the atmosphere.

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1

Funding Rounds

$6.0m

Money raised

Aerleum is a CO2 capture and utilization technology developer founded in 2023 by Sébastien Fiedorow .

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Key people:

1

Funding Rounds

$17.0m

Money raised

Direct air capture (DAC) technology developer to remove carbon dioxide.

Key people:

1

Funding Rounds

$7.5m

Money raised

Provider of direct air capture (DAC) technologies for CO2 removal.

Location:

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1

Funding Rounds

$16.2m

Money raised

Phlair is a hydrolyzer-based direct air capture (DAC) technology developer founded in 2022 by Steffen Garbe, Malte Feucht and Paul Teufel .

Location:

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