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Top Carbon Capture Companies

42 Carbon Capture companies, sorted by total funding raised.

42

Companies

$3.5B

Combined Funding

1

Funded (Last 60d)

Series A

Top Stage

Indexed tracks 42 Carbon Capture companies that have collectively raised $3.5B in documented funding. The most-funded carbon capture companies tracked include Twelve and Climeworks. 1 company closed a new round in the last 60 days, with Series A being the most common funding stage.

Twelve

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

Berkeley, United States201–500Carbon Capture, Clean Tech
Series C·$1.4B·Dec 2025
Climeworks

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

Zurich, Switzerland201–500Climate Tech, Carbon Capture
Venture Round·$925.0M·Jul 2025
HC
Heirloom Carbon

Direct air capture company that accelerates limestone's natural ability to absorb CO2 from days t...

San Francisco, United States51–200Carbon Capture, Clean Energy
Series B·$203.0M·Dec 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 C·$201.2M·May 2022
Deep Sky

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

Montreal, Canada11–50Carbon Capture, Clean Energy
Grant·$112.4M·Dec 2024
PachamaAcquired

Restoring nature to solve climate change.

San Francisco, United States51–200Artificial Intelligence, Carbon Capture
Extension Round·$88.1M·Dec 2023
CarbonCure

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

Halifax, Canada51–200Climate Tech, Construction Tech
Series F·$85.1M·Jul 2023
Carbon Upcycling

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

Calgary, Canada11–50Clean Tech, Carbon Capture
Convertible·$74.7M·Aug 2025
Running TideClosed

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

Portland, United States51–200Carbon Capture, Climate Tech
Series B·$69.0M·Sep 2022
SINAI

Enterprise software to quantify cost-effective decarbonization…

San Francisco, United States11–50Carbon Capture, Climate Tech
Series A·$62.8M·Aug 2023
Mission Zero Technologies

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

London, United Kingdom11–50Climate Tech, Carbon Capture
Series A·$32.6M·Mar 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 A·$30.0M·Dec 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 Equity·$30.0M·Jul 2011
Applied Carbon

Designs automated biochar production machines

Houston, United StatesAgriTech, Carbon Capture
Series A·$21.5M·Jul 2024
Carbyon

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

Eindhoven, Netherlands11–50Carbon Capture, Climate Tech
Extension Round·$17.9M·Jul 2025
Supercritical

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

London, United Kingdom11–50Carbon Capture, Climate Tech
Series B·$16.6M·Mar 2025
Abatable

Carbon markets platform and solutions

London, United Kingdom11–50Carbon Capture, Climate Tech
Series A·$16.5M·Apr 2023
Root Global

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

Berlin, GermanyCarbon Capture, Climate Tech
Seed·$12.0M·Aug 2024
Undo Carbon

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

United KingdomCarbon Capture, Climate Tech
Seed·$12.0M·May 2023
NoyaClosed

Radically reducing capital costs and build time for direct air capture

San Francisco, United States11–50Carbon Capture, Climate Tech
Series A·$11.0M·Apr 2023
Heimdal

Affordable and verified direct air carbon capture and storage

Denver, United States1–10Carbon Capture, Climate Tech
Series A·$10.8M·Nov 2021
AirMyne

Building systems to remove carbon dioxide from air at industrial scale

Berkeley, United States11–50Carbon Capture, Climate Tech
Seed·$6.9M·Mar 2024
Remora

Carbon capture for semi-trucks

Detroit, United States11–50Carbon Capture, Climate Tech
Series A·$5.5M·Feb 2024
Carbon Crusher

We make carbon negative roads

Oslo, Norway11–50Carbon Capture, Climate Tech
Seed·$5.0M·Jun 2022
Octavia Carbon

The Global South's first Direct Air Carbon Capture (DACC) company

Nairobi, KenyaCarbon Capture, Clean Energy
Grant·$5.0M·Jun 2026

Frequently Asked Questions

How many Carbon Capture companies are tracked on Indexed?

Indexed tracks 42 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 $3.5B in documented funding.

What are the top-funded Carbon Capture companies?

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

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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