All Industries

Top Clean Tech Companies

575 Clean Tech companies, sorted by total funding raised.

Albo

Albo analyzes satellite imagery to survey soil deep beneath the surface, empowering farmers to gr...

Tel Aviv, Israel11–50Artificial Intelligence, Clean Tech
Series A·$19.0M·Dec 2019
Vital Lyfe

Vital Lyfe is a water technology company that builds scalable, portable desalination systems desi...

Clean Tech, Hardware
Seed·$18.1M·Dec 2025
Hydroleap

Developer of wastewater treatment technology designed to replace expensive chemical treatments wi...

Singapore, SingaporeAgtech, Climate Tech
Venture Unknown·$17.7M·Jul 2025
Simplifyber

Simplifyber is creating biodegradable clothing and shoes directly from a liquid, without the need...

New York, United States11–50Clean Tech, Climate Tech
Series A·$17.7M·Apr 2025
Hertha Metals

Develops coal-free, low‑carbon steelmaking technology for steelmakers and industrial end‑users.

Conroe, United States11–50Clean Tech, Manufacturing
Seed·$17.6M·Jul 2025
eLeapPower

EV technology company developing integrated inverters and wireless charging systems to reduce EV ...

Toronto, Canada11–50Energy, Clean Tech
Series A·$16.5M·Dec 2021
The Sun Exchange

Through the Sun Exchange anyone can earn income from the sun.

Cape Town, South AfricaClean Tech, Infrastructure
Convertible·$16.2M·Oct 2021
Exterra

Canadian cleantech company transforming legacy mining waste into sustainable, low-carbon critical...

Montreal, CanadaClean Tech, Climate Tech
Series A·$16.0M·May 2025
AssetCool

UK deeptech startup deploying robots to apply photonic coatings on power lines, increasing grid c...

Leeds, United Kingdom11–50Energy, Robotics
Series A·$15.8M·Jul 2025
StormSensor

StormSensor creates smart urban watersheds. Our sensors & analytics provide insights to cities re...

Seattle, United StatesClean Tech, Climate Tech
Venture Unknown·$15.8M·Dec 2025
ENSOAcquired

ENSO provides electricity, natural gas, water, heat and energy related services.

San Francisco, United StatesClean Tech
Grant·$15.7M·Sep 2023
ChargeLab

Hardware-agnostic operating system for EV chargers; OCPP-based CSMS platform powering North Ameri...

Etobicoke, Canada11–50Automotive, Clean Tech
Venture Unknown·$15.0M·Apr 2023
Metergrid

SaaS platform for tenant electricity (Mieterstrom) project management, billing, and energy infras...

Stuttgart, Germany51–200Energy, Clean Tech
Series A·$14.8M·Jan 2026
Bitfinder

Awair is the smart indoor air monitor that learns your wellness needs and provides solutions to a...

San Francisco, United States11–50Clean Tech, Climate Tech
Series B·$14.5M·May 2019
Pretred

Pretred recycles waste tires and repurposes them into barriers/blocks that are green, competitive...

Aurora, United States11–50Clean Tech, Infrastructure
Grant·$14.2M·Feb 2024
Magma

Integrated industrial solutions provider offering raw-material sourcing, clean energy, waste recy...

Ahmedabad, India11–50B2B manufacturing, Industrial operations
Series A·$13.0M·Dec 2025
Electroflow

Startup developing direct lithium extraction from brines using renewable electricity to produce b...

United StatesClean Tech, Energy
Seed·$12.8M·Sep 2025
Aquaria

Atmospheric water generation company that makes water from thin air for homes with no pipes, well...

Clean Tech, Water Technology
Venture Unknown·$12.0M·Nov 2024
HoloceneAcquired

Harnessing organic chemistry to remove CO2 from the atmosphere, forever.

Knoxville, United States11–50Sustainability, Clean Tech
Corporate Round·$11.9M·Sep 2024
Solideon

The company facilitates use of additive manufacturing system, a machine-learning collaborative sy...

Denver, United States1–103D Printing, Artificial Intelligence
Seed·$11.5M·Oct 2024
Propagate Ventures

Agroforestry investments & project development platform.

Hudson, United States11–50Clean Tech, Fintech
Series A·$11.5M·Nov 2022
Good Carbon

Provides verified nature-based carbon credits and advisory services to companies, managing carbon...

Berlin, Germany11–50Clean Tech, Sustainability
Series A·$10.9M·Apr 2024
PathSpot

PathSpot scans employee's hands to detect pathogens that cause food borne illness - all in under ...

New York, United States11–50Clean Tech, IoT
Series A·$10.6M·May 2020
Regen Network

A global marketplace & contracting platform for Earth's ecosystem assets, services, and data.

GREAT BARRINGTON, United States11–50Climate Tech, Crypto & Web3
Seed·$10.5M·Apr 2021
Alta

Develops protein-based biochemistry to selectively separate rare earth and critical minerals for ...

Denver, United StatesClean Tech, Deep Tech
Seed·$10.5M·May 2025