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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
$738.3M
Avg Funding
$29.5M
Global Reach
8
countries

Top Cities for CleanTech

London
Boston
Mullumbimby
Santiago
Wembley
Toronto

Recently Funded Companies

Export
London, United Kingdom

Renewable energy & infrastructure deal origination platform

$698K raised
Nov 2022

Founder Contacts

41,000+ verified contacts

Boston, United States

Gaiascope helps energy companies and investors transition to the future in the most economic way possible.

Nov 2021

Founder Contacts

41,000+ verified contacts

Mullumbimby, Australia

Seabin Project mission to create innovative clean tech for our oceans and the environment.

$29K raised
Nov 2021

Founder Contacts

41,000+ verified contacts

Santiago, Chile

Frankles is a Climate Tech Startup decarbonizing the ingredient industry through NoDex a extraction platform for sustainable ingredient

$1.0M raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Wembley, United Kingdom

Magway is an all-electric, zero emissions, low-footprint, high-capacity delivery system.

$882K raised
Nov 2023

Founder Contacts

41,000+ verified contacts

Toronto, Canada

Clear Blue Technologies, the Smart Off-Grid company, combines green energy with the proven advantages of communications.

$855K raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Bogotá, Colombia

Bia Energy is transforming LatAm’s power sector with smart meters and a digital platform for real-time control, savings, and sustainability.

$8.5M raised
Nov 2024

Founder Contacts

41,000+ verified contacts

Crewkerne, United Kingdom

Biomass to biochar using proprietary advanced pyrolytic technology in a Disposal as a Service model

Jan 2026

Founder Contacts

41,000+ verified contacts

Paris, France

Pyxo replace disposable packaging of food through a network of reusable containers.

$7.8M raised
Nov 2021

Founder Contacts

41,000+ verified contacts

Las Vegas, United States

Developer of CERLOS®, Class A fire-rated, low-carbon building materials made from forestry waste via mineralization.

Jan 2025

Founder Contacts

41,000+ verified contacts

Harwell, United Kingdom

Nium develops patent pending nanotechnology that produces greener ammonia.

Jan 2025

Founder Contacts

41,000+ verified contacts

Middlesbrough, United Kingdom

Binding Solutions focuses on enhancing metals production efficiency and environmental impact.

Jan 2025

Founder Contacts

41,000+ verified contacts

Rockville, United States

X-energy is a nuclear energy company that develops small modular nuclear reactors and nuclear fuels for clean energy generation.

$700.0M raised
Nov 2025

Founder Contacts

41,000+ verified contacts

Reading, United States

Solarflux provides a flexible, clean, inexpensive solar thermal power for a wide range of use cases

Jan 2024

Founder Contacts

41,000+ verified contacts

Fredericton, Canada

Reinventing how organizations collaborate with building owners to expedite the decarbonization of the built environment

Jan 2024

Founder Contacts

41,000+ verified contacts

San Diego, United States

Energy Cloud® is a clean-tech company focused on energy efficiency, sustainability and healthy building environments.

$1.0M raised
Jan 2024

Founder Contacts

41,000+ verified contacts

Mooresville, United States

Sheets Laundry provides plastic-free, Eco-friendly Laundry Detergent Sheets and cleaning products.

$500K raised
Nov 2021

Founder Contacts

41,000+ verified contacts

Sedgefield, United Kingdom

Thermulon has developed a novel chemical pathway to produce building insulation materials.

Jan 2023

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

PCX is a non-profit organization that partners with businesses to offset their plastic footprint and reduce plastic waste.

$250K raised
Jan 2023

Founder Contacts

41,000+ verified contacts

Wolverton, United Kingdom

Air For Life removes impurities, bacteria, and viruses from the air and from surfaces using filter-free ionization technology.

$1.2M raised
Jan 2023

Founder Contacts

41,000+ verified contacts

Calgary, Canada

We collect, visualize and analyze near-surface data to identify underground utilities, fluid leaks, soil layers, and infrastructure health.

Jan 2023

Founder Contacts

41,000+ verified contacts

Houston, United States

Technology-driven energy storage company powering the carbon-free electric grid.

$10.0M raised
Nov 2022

Founder Contacts

41,000+ verified contacts

New York, United States

Sustain.Life enables businesses of any size to meet sustainability targets with carbon tracking and accounting.

$3.0M raised
Nov 2022

Founder Contacts

41,000+ verified contacts

Aurora, United States

Transitional Energy brings geothermal technology to the oil and gas industry to generate clean, baseload power from heat waste.

$2.5M raised
Jan 2022

Founder Contacts

41,000+ verified contacts

London, United Kingdom

JIVR is a hassle-free commuting bike, allowing you to enjoy the benefits of cycling, without any lifestyle compromises.

Jan 2022

Founder Contacts

41,000+ verified contacts

Showing 726 to 750 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
$29.5M
Total Funding Tracked
$738.3M
Countries Represented
8

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.London
2 companies$698K
2.Boston
1 companiesUndisclosed
3.Mullumbimby
1 companies$29K
4.Santiago
1 companies$1.0M
5.Wembley
1 companies$882K

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 30 | VCBacked