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CleanTech Startups

Updated August 2026

Companies in the cleantech sector developing innovative solutions and technologies.

Explore 837 recently funded cleantech companies with verified founder contact information and fundraising data.

Total Companies
837
Total Funding
$1.9B
Avg Funding
$76.8M
Global Reach
9
countries

Top Cities for CleanTech

Witney
San Francisco
Mölndal
Milan
Stockholm
Bath

Recently Funded Companies

Export
Witney, United Kingdom

Enough Energy develops energy storage and power conversion technologies, including a battery-integrated EV charger for rapid charging.

$1.1M raised
Apr 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Charm Industrial is putting oil back underground via bio-oil sequestration and industrial syngas production.

Apr 2025

Founder Contacts

41,000+ verified contacts

Mölndal, Sweden

Recycling Glass Fibre Assets

$831K raised
Apr 2025

Founder Contacts

41,000+ verified contacts

Milan, Italy

Traent drives the digital transformation in Real Estate, bringing innovation powered by AI and a patended industrial blockchain.

Apr 2023

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden

Stegra operates a steel production plant to accelerate the decarbonization of the steel industry using green energy.

$1.6B raised
Apr 2026

Founder Contacts

41,000+ verified contacts

Bath, United Kingdom

Greener is a B2B sustainability matchmaking platform for food and drink SMEs.

$148K raised
Apr 2022

Founder Contacts

41,000+ verified contacts

Washington, United States

Arcadia is the global utility data and energy solutions platform.

$50.0M raised
Apr 2024

Founder Contacts

41,000+ verified contacts

Miami, United States

Atlas Renewable Energy is a renewable energy company that develops, builds, and operates solar and wind projects.

$96.4M raised
Apr 2026

Founder Contacts

41,000+ verified contacts

Mercer Island, United States

Chomp Energy manufactures anaerobic digestion systems that convert food waste into renewable energy and biofertilizer.

Apr 2024

Founder Contacts

41,000+ verified contacts

Calgary, Canada

Kathairos Solutions is an Alberta-based cleantech company to combat the unprecedented challenge of a warming planet.

$1.6M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

Denver, United States

Software for the modern solar provider

$2.0M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

Carnotfleet provides plug-and-play hardware and software to convert non-refrigerated vehicles into temperature-controlled units.

$1.3M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

Cambridge, United Kingdom

Pulsiv develops world-leading electronic solutions for AC to DC Power Supplies and Solar Energy applications.

$2.3M raised
Mar 2024

Founder Contacts

41,000+ verified contacts

Buenos Aires, Argentina

growPack creates farm-to-market biomaterials and packaging.

$2.2M raised
Mar 2024

Founder Contacts

41,000+ verified contacts

Goleta, United States

Blue Laser Fusion is a renewable energy power generation company that provides energy management and clean energy generation services.

$37.5M raised
Mar 2024

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands

Orbio is a data fusion platform to help companies reduce their methane emissions

$4.0M raised
Mar 2024

Founder Contacts

41,000+ verified contacts

Portland, United States

Bold Reuse is a full-service reuse platform that makes transitioning to reusables easy.

$2.2M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Bozeman, United States

Zeno is a climate conscious motor company that offers eco-friendly motorcycles.

$20.5M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Peltier is a platform powering a modular, IoT-connected cold-chain system for precise, sustainable temperature control.

$5.6M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

Mote creates more utilities, businesses, and transportation companies seek to minimize carbon emissions by using clean hydrogen.

$7.0M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Wernigerode, Germany

Litherm Technologies is a German deep‑tech startup focused on decarbonizing lime and cement production using fully electric kiln technology.

$7.6M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Cambridge, United States

MacroCycle Technologies is a cleantech company that develops sustainable and zero-carbon plastic upcycling solutions.

$3.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

City Of Industry, United States

Seauto produces robotic pool cleaners that employ sonar-based navigation to guide autonomous cleaning.

$9.6M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Baltimore, United States

Target climate action. Measure impact.

Mar 2022

Founder Contacts

41,000+ verified contacts

Philadelphia, United States

Voltify is a climate tech company that offers decarbonization solutions for the freight rail industry.

$30.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Showing 326 to 350 of 837 companies

About the CleanTech Startup Ecosystem

The cleantech sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in CleanTech

CleanTech companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The cleantech sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

CleanTech Funding Breakdown

Here is how funding is distributed among the 837 cleantech companies tracked in the VCBacked database.

Average Funding
$76.8M
Total Funding Tracked
$1.9B
Countries Represented
9

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.San Francisco
2 companies$5.6M
2.Cambridge
2 companies$5.3M
3.Witney
1 companies$1.1M
4.Mölndal
1 companies$831K
5.Milan
1 companiesUndisclosed

Related Industries

Companies in the cleantech sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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