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Top Carbon Capture Companies

46 Carbon Capture companies, sorted by total funding raised.

46

Companies

$3.3B

Combined Funding

Series A

Top Stage

Indexed tracks 46 Carbon Capture companies that have collectively raised $3.3B in documented funding. The most-funded carbon capture companies tracked include Twelve and Climeworks. Series A is the most common funding stage among carbon capture companies in this dataset.

Twelve

Carbon transformation company that converts CO2 into essential products like sustainable aviation...

Berkeley, United States201–500Carbon Capture, Clean Tech
Series CTotal funding$936.4MDec 2025
Climeworks

Builds and operates Direct Air Capture systems and sells carbon removal services to enterprise cu...

Zurich, Switzerland201–500Climate Tech, Carbon Capture
Venture RoundTotal funding$925.0MJul 2025
Heirloom

Heirloom is restoring balance to our atmosphere by capturing CO2 from the air through engineering...

San Francisco, United States51–200Sustainability, Climate Tech
Series BTotal funding$256.0MDec 2024
Carbon Clean

Carbon Clean is a UK-based industrial carbon capture technology company providing scalable point-...

London, United Kingdom51–200Carbon Capture, Clean Tech
Series CTotal funding$201.2MMay 2022
Svante

Canadian company making filters and machines that capture and remove CO2 from industrial emission...

Burnaby, Canada201–500Carbon Capture, Clean Tech
ConvertibleTotal funding$190.0MAug 2024
Deep Sky

Deep Sky builds, owns, and operates carbon removal infrastructure to reverse climate change at sc...

Montreal, Canada11–50Carbon Capture, Clean Energy
GrantTotal funding$118.4MOct 2025
PachamaAcquired

Restoring nature to solve climate change.

San Francisco, United States51–200Artificial Intelligence, Carbon Capture
Extension RoundTotal funding$88.1MDec 2023
CarbonCure

Carbon mineralization technology for concrete producers that injects captured CO₂ into fresh conc...

Halifax, Canada51–200Climate Tech, Construction Tech
Series FTotal funding$85.1MJul 2023
Carbon Upcycling

Carbon capture technology company that transforms industrial byproducts like iron and steel slag ...

Calgary, Canada11–50Clean Tech, Carbon Capture
ConvertibleTotal funding$74.7MAug 2025
Running TideClosed

Developed ocean-based carbon removal technologies (seaweed and biomass sinking) and sold verified...

Portland, United States51–200Carbon Capture, Climate Tech
Series BTotal funding$69.0MSep 2022
Lithos

Carbon capture company transforming farmland into carbon sequestration centers using enhanced roc...

Seattle, United States11–50Agtech, Carbon Capture
Series ATotal funding$63.4MDec 2023
SINAI

Enterprise carbon management platform delivering audit-grade Scope 1-3 accounting, compliance rep...

San Francisco, United States11–50Carbon Capture, Climate Tech
Series ATotal funding$62.8MAug 2023
Mission Zero Technologies

UK-based electrochemical direct air capture company removing CO₂ from the atmosphere at commercia...

London, United Kingdom11–50Carbon Capture, Climate Tech
Series ATotal funding$32.6MMar 2024
Carbon America

Carbon America is a vertically integrated developer of carbon capture and sequestration (CCS) pro...

Arvada, United States11–50Climate Tech, Carbon Capture
Series ATotal funding$30.0MDec 2021
Carbon Energy

Carbon Energy let's you keep your business carbon free. We provide CDR credit based on our DAC(D...

San Francisco, United States1–10Carbon Capture, Clean Energy
Growth EquityTotal funding$30.0MJul 2011
Applied Carbon

Designs automated biochar production machines

Houston, United StatesAgtech, Carbon Capture
Series ATotal funding$21.5MJul 2024
Carbyon

Direct air capture company developing low-cost, mass-scale CO2 removal technology from the atmosp...

Eindhoven, Netherlands11–50Carbon Capture, Climate Tech
Extension RoundTotal funding$17.9MJul 2025
Undo Carbon

World-leading carbon dioxide removal project developer specialising in enhanced rock weathering, ...

United KingdomCarbon Capture, Climate Tech
Corporate RoundTotal funding$17.0MNov 2025
Supercritical

Carbon removal marketplace that helps businesses achieve net zero by measuring climate impact, cr...

London, United Kingdom11–50Carbon Capture, Climate Tech
Venture RoundTotal funding$16.6MMay 2026
Abatable

Abatable helps environmental-market buyers procure with confidence, investors find opportunities,...

London, United Kingdom11–50Carbon Capture, Climate Tech
Series ATotal funding$16.5MApr 2023
Root Global

Climate tech platform helping food and beverage processors track and reduce Scope 3 farm-level em...

Berlin, GermanyCarbon Capture, Climate Tech
SeedTotal funding$12.0MAug 2024
NoyaClosed

Radically reducing capital costs and build time for direct air capture

San Francisco, United States11–50Carbon Capture, Climate Tech
Series ATotal funding$11.0MApr 2023
Heimdal

Heimdal builds machines that permanently capture and store atmospheric CO2, developing technology...

Denver, United States1–10Carbon Capture, Climate Tech
Series ATotal funding$10.8MNov 2021
AirMyne

AirMyne builds carbon-removal technology for continuous operation, helping corporations and gover...

Berkeley, United States11–50Carbon Capture, Climate Tech
SeedTotal funding$6.9MMar 2024
Remora

Carbon capture for semi-trucks

Detroit, United States11–50Carbon Capture, Climate Tech
Series ATotal funding$5.5MFeb 2024

Frequently Asked Questions

How many Carbon Capture companies are tracked on Indexed?

Indexed tracks 46 Carbon Capture companies, sorted by total funding raised.

How much funding have Carbon Capture companies raised in total?

The Carbon Capture companies tracked by Indexed have collectively raised $3.3B in documented funding.

What are the top-funded Carbon Capture companies?

The most-funded Carbon Capture companies tracked include Twelve, Climeworks, Heirloom.

Who are the top investors in Carbon Capture?

Leading investors active in Carbon Capture include Lowercarbon Capital, Aramco Ventures, MCJ Collective.

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