69 Best Carbon Capture And Storage Startups to Watch in 2025

The Definitive Seedtable Ranking of Carbon Capture And Storage 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 73 start-ups with an aggregate funding of $4.4b. The average funding per company in this subset is $63.4m.

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

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1

Funding Rounds

$27.5k

Money raised

Full Circle Biochar is a developer of products and technologies based on bio-charcoal for the agricultural markets.

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:

13

Funding Rounds

$779.0m

Money raised

Developer and manufacturer of systems for renewable industrial gas and fuel production.

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.

1

Funding Rounds

Remora is a carbon capture for semi trucks founded in 2020 by Paul Gross.

4

Funding Rounds

$45.5m

Money raised

Calera is a Los Gatos, California-based carbon capture and sequestering company mixing the waste products in concrete.

10

Funding Rounds

$44.8m

Money raised

A food technology company, based in Finland and founded in 2017, that has a process to electrolyze water for production of hydrogen in a system to feed bacteria to produce an edible protein food product with a low environmental impact. Their technology is being developed for space travel and future food production on Mars.

1

Funding Rounds

$1.2m

Money raised

JustBioFiber Structural Solutions is an Airdrie, Alberta-based manufacturer of hempcrete blocks for replacement of concrete and of carbon capture solutions.

1

Funding Rounds

$87.0k

Money raised

Carbon8 Systems is a developer of solutions for the treatment of industrial waste.

3

Funding Rounds

$10.3m

Money raised

CarbonChain aims to automate the accounting of companies' carbon emissions.

Location:

Key people:

3

Funding Rounds

$1.2m

Money raised

Saratoga Energy is a company developing a production process of carbon nanotubes for lithium-ion batteries.

Key people:

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:

3

Funding Rounds

$12.2m

Money raised

Capturing CO2 from the sky and re-selling it for 2x cheaper

Location:

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.

7

Funding Rounds

$33.3m

Money raised

Liquid Light is a developer of technology to convert carbon dioxide to a variety of chemicals, fuels, and other compounds.

Key people:

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.

1

Funding Rounds

$4.0m

Money raised

All Power Labs is a Berkeley, California-based biogas company developing biogas generators for distributed energy needs.

Key people:

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

$17.0m

Money raised

Synhelion is a technology company converting solar energy, waste carbon dioxide, and water into synthetic fuel.

Location:

Key people:

2

Funding Rounds

$1.8m

Money raised

Modular direct air capture system that uses buildings' ventilation to remove carbon dioxide from the air.

2

Funding Rounds

$600.0k

Money raised

Planetary Hydrogen is a Gatineau-based company developing hydrogen processing and distribution solutions, as well as carbon capture and storage solutions.

6

Funding Rounds

$732.4m

Money raised

Ecovadis is an environmental sustainability ratings platform to assess corporate social responsibility and sustainable procurement.

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

$20.0m

Money raised

ZEG Power is a developer of modular energy generation technology, including hydrogen fuel production with carbon capture and storage systems to produce clean hydrogen with no emissions.

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.

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.

Location:

Key people:

2

Funding Rounds

$158.0k

Money raised

SeeO2 Energy Inc. is a Calgary-based carbon capture and storage company converting capture carbon dioxide into fuels and chemicals.

6

Funding Rounds

$14.4m

Money raised

Simris Alg is a producer of unique ingredients from farmed algae.

1

Funding Rounds

$25.0m

Money raised

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

2

Funding Rounds

$56.0k

Money raised

Oakbio uses expertise in fermentaion, microbiology and synthetic biology to develop technologies for conversion of waste carbon into high value products.

Key people:

1

Funding Rounds

$49.1k

Money raised

International certification body and classification society with main expertise in technical assessment, advisory, and risk management

6

Funding Rounds

$46.4m

Money raised

Novomer is a Waltham, Massachusetts-based company founded in 2004 by Scott D. Allen.

1

Funding Rounds

Ceres is a non-profit organization advocating sustainability founded in 1989 by Joan Bavaria.

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:

9

Funding Rounds

$41.9m

Money raised

Econic Technologies is a company developing catalyst chemistry to turn waste carbon dioxide into economic and environmental products.

3

Funding Rounds

$11.1m

Money raised

Deep Branch is a carbon dioxide recycling company that is using microorganisms to convert clean CO2 into quality products.

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

$17.0m

Money raised

Abatable is a London-based environmental technology company developing voluntary carbon offsets for companies.

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:

1

Funding Rounds

$2.1m

Money raised

Carbonfact is a Paris, France-based company that focuses on building an open data database for the carbon footprint of consumer products.

Location:

Key people:

2

Funding Rounds

$17.3m

Money raised

Electrochaea has developed a commercially viable solution for utility-scale energy storage grid balancing and carbon reuse. Their proprietary process converts low-cost and stranded electricity and carbon dioxide into pipeline-grade renewable gas for direct injection into the existing natural gas grid a conversion process known as "power-to-gas".

5

Funding Rounds

$7.6m

Money raised

CarboCulture is a carbon conversion company turning waste into biomass and high carbon content charcoal.

Location:

Key people:

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.

1

Funding Rounds

Mosaic Materials is a Berkeley, California-based material design company working to develop environmental remediation and carbon capture and storage products.

1

Funding Rounds

$119.0k

Money raised

Graviky Labs is a company that started as MIT Media Lab experiment and the company is now a dedicated team that is trying to transform the industrial production.

Key people:

3

Funding Rounds

$25.5m

Money raised

Fermentalg has developed processes and uses the same in its fermentors to process microalgae to micropopulate its mitochondria and its molecules of interest for production of biomass which can be sold as feedstock to multiple industries including animal feed human nutrition and energy. The company claims to have filed 26 patents for the processes it has developed and operates more than 30 fermenters with a capacity range from 1 to 750 L.

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:

1

Funding Rounds

Cambridge Carbon Capture Limited is a Cambridge, Cambridgeshire-based carbon capture and storage company developing technologies for turning captured carbon dioxide into minerals for reuse.

1

Funding Rounds

$130.0k

Money raised

Heimdal is an Oxford, United Kingdom-based green concrete company developing carbon neutral concrete by removing carbon from the ocean and using the ocean as a carbon sink.

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:

4

Funding Rounds

$56.5m

Money raised

Piccaro is a producer of gas analyzers for a variety of markets.

3

Funding Rounds

$166.0m

Money raised

Carbon capture and storage.

2

Funding Rounds

$10.0m

Money raised

Direct Air Capture (DAC) technology to remove carbon dioxide.

1

Funding Rounds

$21.8m

Money raised

Ultra-efficient catalysis technology developer to mass-produce green methanol

Location:

Key people:

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

$195.0k

Money raised

Aeon Blue makes a drop-in replacement for fossil fuel while capturing and storing carbon from air.

Key people:

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