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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Nori (company) logo

Nori (company)

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

4

Funding Rounds

$12.4m

Money raised

Ecovadis logo

Ecovadis

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

6

Funding Rounds

$732.4m

Money raised

Seabin Project logo

Seabin Project

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

1

Funding Rounds

$1.0m

Money raised

Ceres (organization) logo

Ceres (organization)

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

1

Funding Rounds

The Ocean Cleanup logo

The Ocean Cleanup

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

3

Funding Rounds

$35.5m

Money raised

ZenRobotics Oy logo

ZenRobotics Oy

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

3

Funding Rounds

$18.7m

Money raised

Onvector LLC logo

Onvector LLC

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

1

Funding Rounds

$280.0k

Money raised

Heirloom logo

Heirloom

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

3

Funding Rounds

$53.0m

Money raised

Land Life Company logo

Land Life Company

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

2

Funding Rounds

$6.6m

Money raised

Pond Technologies logo

Pond Technologies

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.

7

Funding Rounds

$13.8m

Money raised

Mosaic Materials logo

Mosaic Materials

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

1

Funding Rounds

ecoSPEARS logo

ecoSPEARS

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

1

Funding Rounds

$2.0m

Money raised

Cooks Venture logo

Cooks Venture

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

4

Funding Rounds

$76.0m

Money raised

Wastebits logo

Wastebits

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.

1

Funding Rounds

$300.0k

Money raised

FilterBoxx Water & Environmental logo

FilterBoxx Water & Environmental

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

2

Funding Rounds

$23.7m

Money raised

OndaVia logo

OndaVia

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

1

Funding Rounds

$1.0m

Money raised

Bluemater logo

Bluemater

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

1

Funding Rounds

$2.3m

Money raised

Carbix logo

Carbix

Carbix is a Quincy, Massachusetts-based company working to transform atmospheric carbon dioxide into carbonates to build industrial products.

1

Funding Rounds

Oxi Ambiental logo

Oxi Ambiental

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

1

Funding Rounds

$595.0k

Money raised

Roserve logo

Roserve

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

1

Funding Rounds

$1.6m

Money raised

Deerpath Capital V, LP logo

Deerpath Capital V, LP

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

1

Funding Rounds

$1.0

Money raised