All Industries

Top Clean Tech Companies

607 Clean Tech companies, sorted by total funding raised.

Smalt

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

Berlin, Germany11–50Energy, Artificial Intelligence
Seed·$8.8M·Sep 2024
HammerheadAcquired

Hammerhead helps bikers find their way and discover new ones.

New York, United States11–50Clean Tech, IoT
Venture Round·$8.7M·Apr 2020
EcoPlantAcquired

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

Ashqelon, Israel51–200Artificial Intelligence, Clean Tech
Series A·$8.5M·Aug 2020
ElectricFish

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

Fremont, United States11–50Clean Tech, Manufacturing
Grant·$8.3M·Apr 2023
Ayrton Energy

Breaking the limits of hydrogen storage

Calgary, CanadaClean Tech, Energy
Seed·$7.8M·Sep 2024
Anodyne Chemistries

Anodyne is a carbon utilization company, transforming CO2 into carbon negative products for a cli...

Vancouver, Canada11–50Energy, Clean Tech
Grant·$7.6M·Jan 2026
Group1IPO

Potassium-ion batteries to power domestic, resilient energy storage

Austin, United States11–50Artificial Intelligence, Energy
Seed·$7.5M·Aug 2023
Soma Energy

Energy intelligence platform helping power producers maximize revenue and data centers optimize g...

United StatesArtificial Intelligence, Clean Tech
Seed·$7.0M·Apr 2026
MITO Material Solutions

MITO Material Solutions manufactures hybrid nano-additives, enabling composite manufacturers to c...

Stillwater, United StatesClean Tech, Climate Tech
Seed·$6.6M·Jan 2024
Forcen

Manufacturer of ultra-robust multi-axis force/torque sensors for surgical, logistics, humanoid, a...

Clean Tech, Developer Tools
Series A·$6.6M·Feb 2024
Sunairio

Climate simulation for renewable energy prediction

Baltimore, United States1–10Artificial Intelligence, Clean Tech
Venture Round·$6.4M·Dec 2024
Carbonade

Sustainable aviation fuel with single step carbon capture and utilization

Caesarea, Israel1–10Clean Tech, Energy
Series A·$6.0M·Jan 2026
PLANETARIANS

Most sustainable and affordable protein

Palo Alto, United StatesAgtech, Clean Tech
Seed·$6.0M·Feb 2023
RatedPowerAcquired

RatedPower developed pvDesign app, a SaaS to accelerate and optimize the design of Solar Photovol...

Madrid, SpainArtificial Intelligence, Clean Tech
Series A·$6.0M·Oct 2021
Terragia

Develops technology to convert cellulosic biomass into low-carbon ethanol and liquid fuels for tr...

Lebanon, United States11–50Clean Tech, Renewable Energy
Seed·$6.0M·Mar 2024
Nextron Energia

Energy-as-a-service clean-tech platform for renewable energy in Brazil.

São Paulo, Brazil51–200Clean Tech, Energy
Series A·$6.0M·Mar 2024
Earthodic

Earthodic is an Australian company that has developed a bio-based, water-resistant coating for pa...

Geebung, Australia1–10Energy, Clean Tech
Seed·$5.8M·Oct 2024
Cariqa

Cariqa: Transforming EV charging with integrated financial perks, simplified pricing, and enhance...

Berlin, Germany1–10Clean Tech, Sustainability
Seed·$5.8M·Jul 2025
Nelumbo

Surface modification technology startup improving heat exchanger and industrial surfaces.

Berkeley, United StatesClean Tech, Materials Science
Series A·$5.5M·Nov 2018
Storio Energy

Battery energy storage solutions for B2B — develops, installs, operates, and finances batteries f...

Paris, FranceClean Tech, Energy
Seed·$5.5M·Oct 2024
Heuristech

Differential Relectometry Mapping to assist with pipeline corrosion the correct way.

Strasbourg, FranceClean Tech, Climate Tech
Series A·$5.5M·Sep 2019
2NDNATURE

2NDNATURE builds enterprise cloud stormwater compliance and management software to inform clean w...

Santa Cruz, United StatesClean Tech, Climate Tech
Seed·$5.3M·Jun 2021
Aquatic InformaticsAcquired

Water data management software helping 1,500+ organizations in 60 countries manage environmental ...

Vancouver, Canada51–200Clean Tech, Data & Analytics
Seed·$5.0M·Feb 2007
Crystal ISAcquired

Manufacturer of aluminum nitride-based UVC LEDs for water, air, and surface disinfection.

Green Island, United StatesClean Tech, Hardware
Series B·$5.0M·Sep 2006
Moby

We create washing machine filters for homes and businesses to capture and reuse toxic microplasti...

New York, United StatesClean Tech, Climate Tech
Seed·$5.0M·Dec 2025