Top Clean Tech Companies
635 Clean Tech companies, sorted by total funding raised.
635
Companies
$32.5B
Combined Funding
6
Funded (Last 60d)
Seed
Top Stage
Indexed tracks 635 Clean Tech companies that have collectively raised $32.5B in documented funding. The most-funded clean tech companies tracked include Stegra and Lucid Motors. 6 companies closed a new round in the last 60 days, with Seed being the most common funding stage.
Green steel company using hydrogen and renewable electricity to decarbonize steel production. For...
American electric vehicle manufacturer producing luxury EVs including the Lucid Air sedan and Gra...
Home battery and energy company that provides distributed power storage to reinforce the electric...
Scale-up established in 2024

Carbon transformation company that converts CO2 into essential products like sustainable aviation...
Produces sustainable, engineered lithium‑ion battery materials from recycled batteries for EV and...
Bird is an electric vehicle maker and bike-sharing network focused on sustainability.

Builds and operates Direct Air Capture systems and sells carbon removal services to enterprise cu...
Germany's leading integrated renewable energy company offering solar panel subscriptions, battery...

EV charging network and station provider for home, commercial, and fleet use across North America.
Develops Molten Oxide Electrolysis to produce low-carbon steel and recover valuable metals from m...
Global market leader in electric vehicle charging hardware, software, and services

Data-driven natural hydrogen exploration company that identifies and produces low-carbon hydrogen...
Manufacturer of low-emission microturbine energy systems for commercial and industrial applications.

Plasma reactor manufacturer for sustainable advanced materials and batteries.

Turnkey portfolio wide energy efficiency retrofits for the Fortune 500

Develops renewable fertilisers

Waste-to-renewable energy platform developing biogas and biomethane facilities from organic waste.
Mexican cleantech company integrating the clean mobility ecosystem with EV charging and fleet ser...
Global manufacturer converting mixed household waste including organics into a bio-based thermopl...

Develops hydrogen-electric powertrains and refuelling systems for aircraft, serving operators and...

Water treatment technology company offering advanced solutions for industrial and municipal water...
Global leader in solid-state thermoelectric cooling and refrigeration devices for healthcare, foo...
Solar technology company developing high-efficiency silicon wafers to reduce the cost of solar en...
Next-generation geothermal energy company developing the Eavor-Loop closed-loop system for scalab...
Top Investors in Clean Tech
Active investors ranked by total number of investments.




Frequently Asked Questions
How many Clean Tech companies are tracked on Indexed?
Indexed tracks 635 Clean Tech companies, sorted by total funding raised.
How much funding have Clean Tech companies raised in total?
The Clean Tech companies tracked by Indexed have collectively raised $32.5B in documented funding.
What are the top-funded Clean Tech companies?
The most-funded Clean Tech companies tracked include Stegra, Lucid Motors, Base Power.
Who are the top investors in Clean Tech?
Leading investors active in Clean Tech include Techstars, Partech, European Innovation Council Fund.
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