All Industries

Top Clean Tech Companies

1,141 Clean Tech companies, sorted by total funding raised.

Amp

Energy analytics company helping businesses transform buildings into intelligent, efficient space...

Dubai, United Arab Emirates1–10Clean Tech, Energy
SeedTotal funding$20.0MDec 2019
Quidnet Energy

Long-duration energy storage company using subsurface geological reservoirs and hydroelectric tur...

Houston, United States11–50Climate Tech, Energy Storage
Corporate RoundTotal funding$20.0MMay 2024
ecop Technologies

Developer of high-efficiency industrial heat pumps.

Wiener Neudorf11–50Clean Tech, Energy
Series BTotal funding$19.7MMay 2025
Safi

AI-powered quality control platform for plastic recyclers, helping PET, HDPE, and UBC recyclers a...

London, United KingdomArtificial Intelligence, Clean Tech
Series ATotal funding$19.5MNov 2023
DazeTechnology

The first totally autonomous conductive charging system for Electric Vehicles to automate EV rech...

BergamoAutomotive, Clean Tech
Series ATotal funding$19.2MFeb 2024
Albo

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

Tel Aviv, Israel11–50Artificial Intelligence, Clean Tech
Series ATotal funding$19.0MDec 2019
Cambium

Cambium designs and manufactures advanced materials at speed and scale, moving quickly to meet ea...

El Segundo, United States51–200Advanced Materials, Clean Tech
Series BTotal funding$19.0MJan 2026
Vital Lyfe

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

HawthorneClean Tech, Hardware
SeedTotal funding$18.1MDec 2025
MagnoTherm Solutions

MAGNOTHERM is an expert in permanent magnets and magnetic cooling.

Darmstadt, Germany11–50Clean Tech, Energy
SeedTotal funding$18.1MMay 2025
Dynelectro

Manufacture and develop Power2X solutions related to the portfolio of Dynamic Electrolyser Units.

Viby Sjælland, DenmarkClean Tech, Energy
Series ATotal funding$18.0MMar 2024
Simplifyber

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

New York, United States11–50Clean Tech, Climate Tech
Series ATotal funding$17.7MApr 2025
Hertha Metals

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

Conroe, United States11–50Clean Tech, Manufacturing
SeedTotal funding$17.6MJul 2025
Volteras

EV fleet management platform providing charging schedule optimization, remote handling, and cost ...

LondonClean Tech, Electric Vehicles
Series ATotal funding$17.5MMay 2025
E
Enode

API platform connecting EVs, solar inverters, home batteries, and thermostats to accelerate the c...

Oslo, Norway11–50Clean Tech, Developer Tools
Series ATotal funding$17.2MNov 2022
Simple Energy

Changing how people save energy

Boulder, United States201–500Clean Tech, Fintech
BridgeTotal funding$16.9MSep 2025
eLeapPower

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

Toronto, Canada11–50Energy, Clean Tech
Series ATotal funding$16.5MDec 2021
Xtreme Power Conversion

Xtreme Power Conversion designs, builds, and supports uninterruptible power systems and rack powe...

Denver, United StatesClean Tech, Energy
Venture RoundTotal funding$16.4MJul 2011
Altum Technologies

Ultrasound fouling mitigation solutions for industrial process systems.

Helsinki, FinlandClean Tech, Industrials
Series BTotal funding$16.3MJun 2023
Exterra

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

Montreal, CanadaClean Tech, Climate Tech
Series ATotal funding$16.0MMay 2025
Airosphera

Airosphera is a climate-tech company that provides original, patented air purification and carbon...

Modi'in-Maccabim-Re'ut, IsraelArtificial Intelligence, Clean Tech
Venture RoundTotal funding$16.0MSep 2022
AssetCool

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

Leeds, United Kingdom11–50Energy, Robotics
Series ATotal funding$15.8MJul 2025
StormSensor

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

Seattle, United States11–50Clean Tech, Climate Tech
Venture RoundTotal funding$15.8MDec 2025
ENSOAcquired

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

San Francisco, United StatesClean Tech
GrantTotal funding$15.7MSep 2023
ChargeLab

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

Etobicoke, Canada11–50Automotive, Clean Tech
Venture RoundTotal funding$15.0MApr 2023
Metergrid

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

Stuttgart, Germany51–200Energy, Clean Tech
Series ATotal funding$14.8MJan 2026