19 Best Carbon Startups to Watch in 2025

The Definitive Seedtable Ranking of Carbon 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 19 start-ups with an aggregate funding of $2.5b. The average funding per company in this subset is $132.6m.

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

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4

Funding Rounds

$74.3m

Money raised

Pachama is a company estimating carbon storage in forests and predicting future deforestation or potential for forest restoration with the use of satellite images.

1

Funding Rounds

South Pole is a Zurich-based climate solutions company offering sustainable project development services in order to provide carbon offset credits to businesses and organizations.

7

Funding Rounds

$39.7m

Money raised

EmitWise helps large businesses monitor and reduce their carbon footprints.

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:

8

Funding Rounds

$1.2b

Money raised

Indigo is an agricultural technology company utilizing natural microbiology and digital technologies to improve farmers' profitability, environmental sustainability and consumer health.

2

Funding Rounds

$302.7m

Money raised

Enerkem is a Quebec-based company producing biofuels and renewable chemicals made from non-recyclable waste.

3

Funding Rounds

$13.7m

Money raised

Normative is a Stockholm-based software company helping enterprises address their social and environmental impact.

Location:

Key people:

2

Funding Rounds

Native Energy is a Burlington, Vermont-based company that provides carbon offsetting solutions for businesses.

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:

1

Funding Rounds

$5.8m

Money raised

TerraPass is a San Francisco-based nonprofit organization offering projects for environmental cleanup and carbon offset.

1

Funding Rounds

$100.0m

Money raised

Green Mountain Energy is an Austin, Texas-based renewable energy company offering services for carbon offset.

2

Funding Rounds

$13.2m

Money raised

Rubi Laboratories turns carbon emissions into carbon-negative textiles for the fashion industry, with a proprietary synthetic biology technology.

Location:

1

Funding Rounds

$115.8m

Money raised

A-Gas is engaged in the supply and lifecycle management of refrigerants and associated products and services.

1

Funding Rounds

$4.5m

Money raised

Patch helps clients make their businesses carbon neutral .

1

Funding Rounds

$33.0m

Money raised

bbp is an award-winning energy efficiency company that enables businesses to achieve their carbon neutrality and sustainability goals.

2

Funding Rounds

$15.0m

Money raised

AirCarbon Exchange is a Singapore-based company founded by Thomas McMahon.

2

Funding Rounds

$5.0m

Money raised

Cultivo Land PBC is a Pleasanton, California-based carbon company founded in 2019.

Industries:

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