All Industries

Top Clean Tech Companies

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

Kwetta

Provides grid-smart EV charging hardware that unlocks more power from the grid, enabling high-pow...

New ZealandClean Tech, Electric Vehicles
Series ATotal funding$10.5MJan 2025
Novamera

Surgical mining technologies for precise, low-footprint extraction of narrow vein mineral deposits.

Toronto, Canada11–50Industrials, Clean Tech
Series ATotal funding$10.5MJun 2024
Regen Network

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

GREAT BARRINGTON, United States11–50Climate Tech, Crypto & Web3
SeedTotal funding$10.5MApr 2021
NoriClosed

A marketplace for removing CO2 from the atmosphere.

Seattle, United States11–50Climate Tech, Crypto & Web3
Venture RoundTotal funding$10.4MJun 2023
GIT Coatings

Produces biocide-free graphene-based marine coatings that reduce vessel fuel consumption and carb...

Dartmouth, CanadaClean Tech
Series ATotal funding$10.2MApr 2023
Graphite Innovation and Technologies

Canada's leading protective marine coatings company specialized in high-performance coatings for ...

Dartmouth, CanadaClean Tech, Climate Tech
Series ATotal funding$10.2MApr 2023
Heex Technologies

Heex software helps AI companies find relevant Smart-Data using event-based triggers at the edge ...

Paris, France11–50IoT, Cybersecurity
SeedTotal funding$10.1MJan 2024
GridStrong

All-in-one platform for grid compliance and operations

11–50Clean Tech, Energy
SeedTotal funding$10.0MSep 2025
Lithios

Provides lithium producers with scalable, brine-agnostic electrochemical extraction systems enabl...

MedfordClean Tech, Energy
SeedTotal funding$10.0MOct 2024
Quino Energy

Quino Energy creates water-based flow batteries that store electrical energy in organic quinone m...

San Francisco, United States1–10Sustainability, Clean Tech
Series ATotal funding$10.0MMay 2026
Three Wheels United

Disrupting lending in emerging markets becoming the leading financier for electric mobility in th...

Bengaluru, India51–200Clean Tech, Fintech
Series ATotal funding$10.0MMay 2022
Vartega

Vartega recycled carbon fiber is a sustainable, lower cost alternative to virgin carbon fiber for...

Golden, United States11–50Clean Tech, Manufacturing
Venture RoundTotal funding$10.0MSep 2024
Interface Fluidics

Extreme Condition Fluid analysis for Carbon Sequestration, Hydrogen, and Oil and Gas. We make fl...

Calgary, Canada11–50Clean Tech, Nanotechnology
Series BTotal funding$9.9MNov 2021
Presso

Laundry Sucks. We're here to change that.

Atlanta, United States11–50Clean Tech, Hardware
SeedTotal funding$9.6MJan 2023
Mesodyne

Mesodyne develops rugged, portable, reliable power-generation technology for military and commerc...

Somerville, United States11–50Clean Tech, Nanotechnology
GrantTotal funding$9.6MJan 2025
CeLLife

Advanced diagnostics and quality control specializing in battery industry

Tampere, FinlandArtificial Intelligence, Diagnostics
Extension RoundTotal funding$9.5MMay 2026
Boldr

Boldr's app automates home heating and cooling to reduce energy use while improving household com...

London, United KingdomClean Tech, IoT
Venture RoundTotal funding$9.4MAug 2026
Conservation Labs

Conservation Labs first product, H2know, is a smart water technology for the built environment.

Brownsville, United States11–50Artificial Intelligence, Clean Tech
Series ATotal funding$9.2MFeb 2024
Mara Renewables

Mara Renewables develops algae-based Omega-3 DHA products for sustainable, fish-free nutrition an...

Dartmouth, CanadaBiotech, Clean Tech
Venture RoundTotal funding$9.1MJul 2025
Cable

Australian energy startup.

Sydney, Australia1–10Clean Tech, Energy
Venture RoundTotal funding$9.0MMay 2026
BERIDI MARITIME

An efficient floating structure and installation of offshore large wind turbines.

Madrid, SpainClean Tech, Renewable Energy
GrantTotal funding$8.8MMar 2021
Smalt

AI-first back-office and growth engine that digitizes HVAC and electrical craft businesses, provi...

Berlin, Germany11–50Energy, Artificial Intelligence
SeedTotal funding$8.8MSep 2024
HammerheadAcquired

Hammerhead helps bikers find their way and discover new ones.

New York, United States11–50Clean Tech, IoT
Venture RoundTotal funding$8.7MApr 2020
EcoPlantAcquired

Ecoplant helps maintenance and productions managers, energy supervisors, and service providers sa...

Ashqelon, Israel51–200Artificial Intelligence, Clean Tech
Series ATotal funding$8.5MAug 2020
ElectricFish

Distributed energy storage for EV charging, and grid-scale energy backup.

Fremont, United States11–50Clean Tech, Manufacturing
GrantTotal funding$8.3MApr 2023