All Industries

Top Climate Tech Companies

1,561 Climate Tech companies, sorted by total funding raised.

1Komma5

Climate tech unicorn and one-stop-shop for smart home energy solutions including solar panels, ba...

Hamburg, Germany1001–5000Clean Energy, Climate Tech
Venture Unknown·$565.0M·Jul 2025
Better PlaceClosed

Electric vehicle infrastructure and battery swapping network

Palo Alto, United States201–500Climate Tech, Hardware
Venture Unknown·$550.0M·Nov 2011
Boston Metal

Develops Molten Oxide Electrolysis to produce low-carbon steel and recover valuable metals from m...

Boston, United States201–500Climate Tech, Manufacturing
Convertible·$525.0M·Jul 2025
o9 Solutions

o9 Solutions is a supply chain planning SaaS provider.

Dallas, United States1001–5000Artificial Intelligence, Climate Tech
Growth Equity·$511.0M·Jul 2023
Turntide Technologies

Turntide Technologies makes intelligent switched reluctance electric motors and power electronics...

Sunnyvale, United States201–500Climate Tech, Hardware
Series E·$441.4M·Jun 2022
JetZero

JetZero is developing the Z4, a blended wing body commercial aircraft designed for zero-emission ...

Long Beach, United States51–200Climate Tech, Defense Tech
Series B·$410.0M·Jan 2026
80 Acres Farms

80 Acres is a vertical farming company that produces a mix of produce through highly automated, h...

Hamilton, United States501–1000Climate Tech, Agtech
Series B·$408.4M·Oct 2025
A123 SystemsAcquired

Lithium-ion battery technology for electric vehicles

Waltham, United States1001–5000Climate Tech, Hardware
Grant·$388.0M·Aug 2009
Koloma

Data-driven natural hydrogen exploration company that identifies and produces low-carbon hydrogen...

Denver, United States51–200Climate Tech, Energy
Extension Round·$386.7M·Oct 2024
Voi

Operator of behavioral health and insights platform designed to help and intervene in people at r...

Stockholm, United States501–1000Artificial Intelligence, Climate Tech
Series E·$385.0M·Mar 2024
Blue Energy

Developer of small modular nuclear reactors for AI data centers.

Chicago, United States51–200Climate Tech, Energy
Venture Unknown·$380.0M·Apr 2026
Oishii

Tech-led indoor farming platform for premium fresh produce.

Jersey City, United States201–500Agtech, Climate Tech
Series C·$350.0M·May 2026
Ulu Ventures

Ulu Ventures is a seed stage venture capital firm that seeks to make investments in the enterpris...

Palo Alto, United States11–50Climate Tech, Education
Venture Unknown·$346.0M·Feb 2025
HeliogenAcquired

Concentrated solar power company enabling carbon-free industrial heat and green hydrogen.

Pasadena, United States11–50Climate Tech, Energy
Series B·$342.0M·Nov 2024
CellCentric

Developer of hydrogen fuel cell systems for heavy-duty commercial vehicles targeting climate-neut...

GermanyClimate Tech
Series D·$340.0M·May 2026
SunPowerIPO

Solar power and renewable energy company.

Orem, United States501–1000Climate Tech, Energy
Venture Unknown·$339.0M·Apr 2026
Bolt Threads

Biotech company developing sustainable biomaterials including mycelium leather and silk proteins ...

Emeryville11–50Biotech, Climate Tech
Series E·$332.3M·Nov 2024
CuspAI

CuspAI is a frontier AI company pioneering the discovery of breakthrough materials to power human...

Cambridge, United Kingdom11–50Artificial Intelligence, Climate Tech
Venture Unknown·$330.0M·Apr 2026
Lilac Solutions

Develops ion-exchange direct lithium extraction technology for lithium producers to enable faster...

Oakland, United States51–200Climate Tech, Manufacturing
Series C·$318.3M·Feb 2024
Sun King

Sun King manufactures and sells solar lanterns and solar home systems to off-grid and under-elect...

Nairobi, Kenya1001–5000Climate Tech, Clean Energy
Growth Equity·$312.0M·Dec 2025
Our Next Energy

Our Next Energy (ONE) develops high-energy-density batteries for electric vehicles and grid stora...

Novi, United States201–500Climate Tech
Series B·$300.0M·Feb 2023
Gogoro

Smart electric scooter and battery swapping infrastructure network for urban mobility.

Taipei, Taiwan1001–5000Climate Tech, Transportation
Series C·$300.0M·Sep 2017
Elevra Lithium Limited American Depository SharesAcquired

Elevra Lithium is a dual-listed lithium producer and developer with assets in Canada, the United ...

Perth, Australia1–10manufacturing, Climate Tech
Venture Unknown·$295.0M·May 2026
Queen of Raw

Queen of Raw is a global marketplace w/AI-powered supply chain software to eliminate and monetize...

New York, United States11–50IoT, Artificial Intelligence
Venture Unknown·$289.5M·Nov 2022
Ontra Mobility

Platform for cities to optimize transit

New York, United States1–10Artificial Intelligence, Climate Tech
Series B·$270.0M·Oct 2021