16 Best Environmental Science Startups to Watch in 2025

The Definitive Seedtable Ranking of Environmental Science 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 16 start-ups with an aggregate funding of $855.7m. The average funding per company in this subset is $53.5m.

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

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1

Funding Rounds

$2.5m

Money raised

Toast Ale is a London-based brewery using surplus fresh bread to brew beer and dedicating their profits to charities working to create greater efficiency in the food supply system.

6

Funding Rounds

$732.4m

Money raised

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

3

Funding Rounds

$1.3m

Money raised

H2nan0 is a Kitchener, Ontario-based water purification company using light to treat water contamination.

11

Funding Rounds

$12.1m

Money raised

WeavAir is a Toronto-based developer of solutions for indoor air problems using predictive artificial intelligence, sensors and blockchain technology.

1

Funding Rounds

$40.6m

Money raised

Seed Health is a Venice-based microbial sciences company working on applications of bacteria for human and environmental health.

Key people:

3

Funding Rounds

$1.4m

Money raised

AquaNRG is a Houston-based cloud-based platform developer merging physics and chemistry technology with artificial intelligence to design and optimize energy production.

3

Funding Rounds

$895.3k

Money raised

PlantSnap is a Telluride, Colorado based mobile application company offering users the ability to identify plants, flowers, cacti, succulents, and mushrooms.

1

Funding Rounds

$2.5m

Money raised

Wynd Technologies is a Redwood City, California-based manufacturer of portable IoT air purifiers that monitor and clean a room's air as needed.

2

Funding Rounds

$450.0k

Money raised

Lotic Labs is a Chicago-based company working for financial solutions for water protection and environmental protection.

Key people:

2

Funding Rounds

$30.0k

Money raised

Liquid is a Cincinnati-based software and mobile application builder to collect, analyze, and share data.

1

Funding Rounds

$30.4k

Money raised

FlyH2 Aerospace is a Cape Town-based manufacturer of hydrogen-powered electric unmanned aircrafts and providing aerial data solutions for companies and organizations.

2

Funding Rounds

$1.2m

Money raised

ecobot is an Asheville, North Carolina-based company developing technology for environmental monitoring, reporting, and forecasting.

2

Funding Rounds

$70.0k

Money raised

Cavin Research Group is a Phoenix, Arizona-based research and development group creating mobile application solutions to problems, including boat location technology to assist organizations in preventing the spread of aquatic invasive species.

Industries:

Location:

4

Funding Rounds

$56.5m

Money raised

Piccaro is a producer of gas analyzers for a variety of markets.

1

Funding Rounds

$681.0k

Money raised

SampleServe.com is a Traverse City, Michigan-based company of environmental managers and consultants.

1

Funding Rounds

$3.2m

Money raised

Intact Centre on Climate Adaptation is a Waterloo, Ontario-based applied research center with a focus on environmental research and education at the University of Waterloo.

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