21 Best Environmental Remediation Startups to Watch in 2025

The Definitive Seedtable Ranking of Environmental Remediation 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 21 start-ups with an aggregate funding of $981.1m. The average funding per company in this subset is $46.7m.

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

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4

Funding Rounds

$12.4m

Money raised

Nori is a company that hosts an open-source, blockchain-based market for purchasing carbon offsets.

Location:

Key people:

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

$1.0m

Money raised

Seabin Project is a clean tech company in Mullumbimby, Australia that focuses on collecting oil and pollutants in the water.

1

Funding Rounds

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

3

Funding Rounds

$35.5m

Money raised

The Ocean Cleanup is a developer of technologies to prevent, extract, and intercept plastic solutions.

Key people:

3

Funding Rounds

$18.7m

Money raised

ZenRobotics is a Helsinki-based developer of intelligent sorting robots for waste management.

1

Funding Rounds

$280.0k

Money raised

Plasma Vortex technology to address costly water treatment in industrial and waste settings.

3

Funding Rounds

$53.0m

Money raised

Heirloom is a San Francisco-based environmental remediation company founded by Shashank Samala.

Key people:

2

Funding Rounds

$6.6m

Money raised

Land Life Company is an Amsterdam-based company providing reforestation services.

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

$2.0m

Money raised

ecoSPEARS is an Orlando, Florida-based clean technology company founded by Serg Albino and R. Ian Doromal.

Location:

Key people:

4

Funding Rounds

$76.0m

Money raised

Cooks Venture is the first vertically integrated agricultural company to operate solely on regenerative agriculture.

1

Funding Rounds

$300.0k

Money raised

Wastebits is an Akron, Ohio-based company offering a web-based platform for streamlining the management of regulated waste for waste generators, service providers, and treatment facilities.

2

Funding Rounds

$23.7m

Money raised

FilterBoxx Water & Environmental is a Calgary-based provider of water treatment solutions for industrial, municipal, resort and aboriginal clients.

Location:

Key people:

1

Funding Rounds

$1.0m

Money raised

OndaVia is a Hawyard, California-based developer of microfluidics and nanotechnology based solutions capable of detecting contaminants in water.

Key people:

1

Funding Rounds

$2.3m

Money raised

Bluemater is a Porto-based environmental company developing biological treatment solutions for wastewater treatment.

Location:

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

$595.0k

Money raised

Oxi Ambiental is a Sao Paulo-based environmental remediation company focused on water and soil remediation through oxidative principles.

1

Funding Rounds

$1.6m

Money raised

Roserve is a Mumbai-based wastewater recycling and treatment company.

1

Funding Rounds

$1.0

Money raised

Deerpath Capital V, LP is a New York-based company founded in 2007.

Location:

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