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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
$4.8B
Avg Funding
$193.6M
Global Reach
11
countries

Top Cities for CleanTech

City Of London
Henderson
Copenhagen
Milan
New York
Seattle

Recently Funded Companies

Export
City Of London, United Kingdom

Transformational Energy is a cleantech company focused on sustainable energy solutions like low-cost green hydrogen, ammonia value chains.

$797K raised
Feb 2023

Founder Contacts

41,000+ verified contacts

Henderson, United States

ECO Integrated Technologies is a cleantech company that produces water alternative and solid waste conversion.

Feb 2023

Founder Contacts

41,000+ verified contacts

Copenhagen, Denmark

Bankable renewable energy intelligence

$9.1M raised
Feb 2024

Founder Contacts

41,000+ verified contacts

Milan, Italy

Wiseair is the B2B SaaS platform that helps enterprises manage corporate mobility and engage employees on sustainable commuting

$215K raised
Feb 2023

Founder Contacts

41,000+ verified contacts

New York, United States

BLUEWAVE Technologies develops a rapid disinfection device designed to clean using medical technology.

$1.6M raised
Feb 2023

Founder Contacts

41,000+ verified contacts

Seattle, United States

Joule Case ESS is designed to meet the mission-critical power needs of businesses, heavy industry, grid-backup, and EV charging.

$2.2M raised
Feb 2023

Founder Contacts

41,000+ verified contacts

Vancouver, Canada

Skyward is a climate & fire solution that prevents lightning, when and where needed, from starting catastrophic wildfires

$5.8M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Edmonton, Canada

Total Containment patented and developed envirolock that prevents leakage in underground gas pipe lines.

$460K raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Bruges, France

Automotive Cells Company designs and manufactures a range of sustainable automotive batteries for electric vehicles.

$4.7B raised
Feb 2024

Founder Contacts

41,000+ verified contacts

Denver, United States

Uppermost Company is a company.

$2.5M raised
Feb 2025

Founder Contacts

41,000+ verified contacts

Cookeville, United States

Novastus is an alternative energy company that produces negative carbon fuel using waste materials.

$400K raised
Feb 2025

Founder Contacts

41,000+ verified contacts

Tallinn, Estonia

Hepta Insights is a Automating defect analysis for power lines bringing 3 dimensional world to everyone, everywhere.

Feb 2025

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

HYDGEN develops modular electrolyzer systems designed for on-site and on-demand green hydrogen production.

$5.0M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Golden, United States

Steelhead Composites is a provider of hydrogen storage solutions used to allow widespread zero-emission fuel cell electrification.

$1.9M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Berlin, Germany

Bees & Bears is a green fintech company that specializes in financing renewable energy solutions.

$5.0M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Melbourne, Australia

Conry Tech is reinventing air-conditioning to improve comfort and make it sustainable, founded by award winning HVAC experts.

$1.9M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Empowering households to reduce energy consumption while making homes a proactive part of the energy grid.

$3.2M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Cambridge, United Kingdom

Xampla develops natural, biodegradable materials as sustainable alternatives to traditional plastics.

$14.0M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Sheffield, United Kingdom

mopo provides clean, affordable energy to the off-grid market in Africa.

$6.8M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

Developing bio-based ingredients replacing microplastics and polymeric ingredients.

$1.5M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden

Greenely provides an energy management platform for consumers to manage energy use and contribute to overall power system stability.

$3.7M raised
Sep 2025

Founder Contacts

41,000+ verified contacts

Bolingbrook, United States

Converting waste streams into value streams.

$2.1M raised
Aug 2025

Founder Contacts

41,000+ verified contacts

Lake Forest, United States

Therm offers a refrigerant carbon credit system for businesses to adopt climate friendly refrigerants.

$3.6M raised
Aug 2025

Founder Contacts

41,000+ verified contacts

Bozeman, United States

MagDrive Technologies is a magnetically actuated valve drive capable of producing torque.

$3.5M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Oakville, Canada

Terrestrial Energy is a developer of a reactor power plant technology to provide carbon-free energy for the global industry.

$25.8M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Showing 426 to 450 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
$193.6M
Total Funding Tracked
$4.8B
Countries Represented
11

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.Singapore
2 companies$6.5M
2.City Of London
1 companies$797K
3.Henderson
1 companiesUndisclosed
4.Copenhagen
1 companies$9.1M
5.Milan
1 companies$215K

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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837 CleanTech Startups (2026) — Recently Funded — Page 18 | VCBacked