42 Best Carbon Sequestration Startups to Watch in 2025

The Definitive Seedtable Ranking of Carbon Sequestration 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 42 start-ups with an aggregate funding of $2.7b. The average funding per company in this subset is $63.8m.

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

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1

Funding Rounds

$1.8m

Money raised

XPRIZE Foundation is an artificial intelligence company that manages public competitions for technological developments

Key people:

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.

Location:

Key people:

6

Funding Rounds

$265.4m

Money raised

A New Zealand industrial biotechnology company developing a gas fermentation platform for converting concentrated industrial emissions into valuable chemicals.

6

Funding Rounds

$161.3m

Money raised

Svante is a Burnaby-based manufacturer of carbon capture technology to collect CO2 at its sources.

Key people:

4

Funding Rounds

$150.0m

Money raised

Net Power is a Durham, North Carolina-based natural gas electricity producer using carbon capture and storage to maintain zero emissions production.

2

Funding Rounds

$19.2m

Money raised

Blue Planet is a Los Gatos, California-based developer of scalable solutions for carbon capture and storage technology.

Key people:

10

Funding Rounds

$14.4m

Money raised

Carbon capture and storage company founded in 2007 and based in Dartmouth, Nova Scotia, Canada. CarbonCure Technologies Inc. provides carbon dioxide sequestering technology to concrete plants in a system for recycling carbon dioxide waste from industrial emitters and incorporating it into concrete products.

1

Funding Rounds

$18.0m

Money raised

Aether Diamonds uses captured carbon dioxide from the air and transforms it into diamonds.

Key people:

1

Funding Rounds

$2.1m

Money raised

Carbicrete is a Montreal-based manufacturer of low-cost building materials from industrial carbon dioxide emissions.

Key people:

7

Funding Rounds

$151.6m

Money raised

A carbon sequestration technology and bioplastics company based in Huntington Beach, California, founded in 2003, that uses their technology to capture carbon from greenhouse emissions for production of bioplastics.

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.

9

Funding Rounds

$1.2m

Money raised

Carbon Recycling International is a Kópavogur-based carbon capture company producing methanol for use as an alternative fuel source.

7

Funding Rounds

$5.0m

Money raised

NovoNutrients produce microbes that break down industrial emissions of carbon dioxide and reassemble them into aquaculture feed.

Key people:

4

Funding Rounds

$6.9m

Money raised

Char Technologies is a Mississauga-based carbon capture and storage company.

1

Funding Rounds

$20.0k

Money raised

Skytree is an Amsterdam-based company offering direct air capture technology for carbon capture and storage use.

2

Funding Rounds

$647.3k

Money raised

Tandem Technical is an Ottawa-based carbon capture and storage company working on recycling carbon into mineral by-products.

4

Funding Rounds

$105.0m

Money raised

Solidia Technologies is a Piscataway, New Jersey-based technology company offering solutions for using CO2 for manufacturing construction and industrial products.

2

Funding Rounds

$6.7m

Money raised

DyeCoo Textile Systems is a Weesp-based chemical company developing a water-free and chemical-free textile dyeing solution from waste CO2.

Location:

Key people:

1

Funding Rounds

$25.0m

Money raised

An industrial biotechnology company developing an algae technology platform for producing ethanol and other biofuels.

9

Funding Rounds

$140.6m

Money raised

Carbon Clean Solutions is a London-based carbon capture and storage company developing CO2 separation technology for industrial and gas treating applications.

Location:

Key people:

2

Funding Rounds

$5.0m

Money raised

BioCarbon Engineering provides drone-based analytics and planting solutions for the preservation and restoration of ecosystems.

1

Funding Rounds

Kiverdi is a Hayward, California-based carbon capture and storage company working to commercialize technology using chemoautotrophic microbes to transform carbon dioxide and related gases into bio-based products.

3

Funding Rounds

$6.0m

Money raised

Carbon Upcycling Technologies Inc. is a Calgary-based carbon capture and storage company developing technologies to turn the carbon into building materials.

Location:

Key people:

2

Funding Rounds

$15.0m

Money raised

Living Carbon is a San Francisco, CA based startup using biotechnology to develop trees that better capture and store carbon.

4

Funding Rounds

$475.0k

Money raised

Dimensional Energy is an Ithaca, New York-based company using photochemistry to produce environmentally responsible polymers and chemicals for its industrial partners.

Location:

Key people:

9

Funding Rounds

$204.2m

Money raised

Cool Planet Energy Systems is a technology company developing systems for producing biocarbon and renewable, carbon-negative fuel from biomass.

2

Funding Rounds

$4.0m

Money raised

3Degrees is a San Francisco-based provider of carbon offset and renewable energy services and solutions.

Key people:

2

Funding Rounds

$6.4m

Money raised

Lingrove is a materials and design company focused on plant based fibers and resins. They produce Ekoa, a thermoplastic material.

3

Funding Rounds

$103.5m

Money raised

Charm Industrial is a company that works to produce reliable, cost-competitive hydrogen from biomass.

7

Funding Rounds

$13.8m

Money raised

Pond Technologies is a Markham-based developer of algae based carbon capture technologies which processes their algae production into nutraceuticals, animal feed, and petroleum derivatives.

3

Funding Rounds

$11.0m

Money raised

Rezatec is an artificial intelligence company developing geospatial artificial intelligence systems to help businesses manage ground-based assets and infrastructure remotely.

4

Funding Rounds

$48.4m

Money raised

Carbo Culture captures and sequesters carbon from agricultural waste by turning it into biochar, a material that can be used to amend soil and help plant growth.

1

Funding Rounds

$1.4m

Money raised

CERT is a Toronto-based carbon capture and storage company converting CO2 into chemical feedstocks and carbon-based fuels.

Location:

Key people:

7

Funding Rounds

$14.2m

Money raised

GroundMetrics is a company developing technology for sensor systems and predictive analytics for the oil and gas and carbon sequestration industries.

Location:

Key people:

1

Funding Rounds

$7.6m

Money raised

Soil Carbon Co helps farming businesses by providing tools to capture carbon from the atmosphere on a gigatonne scale and return it to the soil to improve soil health and allow farmers to trade a new commodity - carbon offsets.

2

Funding Rounds

$115.0m

Money raised

Fortera Corporation is a manufacturer of sustainable building materials from captured carbon dioxide emissions.

Key people:

1

Funding Rounds

Carbix is a Quincy, Massachusetts-based company working to transform atmospheric carbon dioxide into carbonates to build industrial products.

1

Funding Rounds

$3.5m

Money raised

C2CNT is a Virginia-based developer of carbon capture and storage technology which uses the captured material to create carbon nanotubes.

1

Funding Rounds

$2.5m

Money raised

Novalith is commercializing a novel lithium extraction and refining technology that directly uses and sequesters carbon dioxide to provide a low-carbon, sustainable approach to lithium chemical production.

1

Funding Rounds

$46.0m

Money raised

Terra CO2 is a research and development company developing environmental solutions for the cement, mining, and manufacturing industries.

Industries:

Location:

1

Funding Rounds

$3.0m

Money raised

Travertine is a Boulder, Colorado-based carbon sequestration company.

Industries:

Location:

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