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CleanTech Startups

Updated July 2026

Companies in the cleantech sector developing innovative solutions and technologies.

Explore 820 recently funded cleantech companies with verified founder contact information and fundraising data.

Total Companies
820
Total Funding
$568.5M
Avg Funding
$22.7M
Global Reach
13
countries

Top Cities for CleanTech

Berkeley
Hellerup
South Holland
Portland
Orem
Miami Beach

Recently Funded Companies

Export
Berkeley, United States

Power‑Plant‑in‑a‑Box for EV, Data Centers | Green Energy Everywhere

$2.9M raised
Jul 2024

Founder Contacts

30,000+ verified contacts

Hellerup, Denmark

STACs Technology zero-emissions cooling solutions upcycle the District Energy industry's services and reach

$3.0M raised
Jul 2022

Founder Contacts

30,000+ verified contacts

South Holland, United States

North Sea Farmers mission is to represent the interests of the European seaweed industry.

$2.3M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Portland, United States

The global ocean health company harnessing the power of ocean for a climate positive future.

$250K raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Orem, United States

IsoTruss, Inc. designs and manufactures composite lattice structures for telecom towers, utility poles, and smart poles.

$124K raised
Jul 2022

Founder Contacts

30,000+ verified contacts

Miami Beach, United States

Atmofizer Technologies is a revolutionary clean tech company that brings clean air and water to the world.

$358K raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Denver, United States

Peak Energy is a pioneering firm that is industrializing sodium-ion to expedite the shift to renewable energy.

Jun 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Save Your Wardrobe is the global standard for end-to-end aftersales solutions, powering every service beyond the point of sale.

$3.0M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Woburn, United States

Factorial Energy focuses on sustainable future with safe, high performance batteries for EVs, homes, and critical applications.

$100.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Istanbul, Turkey

Local Greens is an indoor farming company operating in metropolitan cities to grow healthy, premium quality and delicious vegetables.

Jun 2022

Founder Contacts

30,000+ verified contacts

Dallas, United States

Solidion Technology is a battery technology company that manufactures battery materials, components, and next-generation batteries.

$35.0M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Puidoux, Switzerland

Droople is a cleantech company that focuses on preserving water using smart tools and information technology.

$1.4M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Milano, Italy

EaaS, Mobile App, Payment, Cleantech

Jun 2023

Founder Contacts

30,000+ verified contacts

New York, United States

Onyx is a national provider of clean energy and decarbonization solutions to businesses, real estate, schools and government agencies.

$260.0M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Boston, United States

GenH develops a new advanced generation of hydro technologies deployable within cities and towns.

Jun 2023

Founder Contacts

30,000+ verified contacts

Basingstoke, United Kingdom

Spotless Water is offers a network of self-service, pure-water filling stations that’s available 24/7.

$8.6M raised
Jun 2026

Founder Contacts

30,000+ verified contacts

Madrid, Spain

Samara is a solar energy company that helps households transition to a more sustainable energy model.

$12.5M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

URECA is a climate-tech startup whose mission is to make carbon offsetting accessible to everyone by utilising cutting-edge technology.

$875K raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Brooklyn, United States

BlocPower is an energy technology startup that focuses on developing healthy, green, and smart cities.

$156K raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Calgary, Canada

Eavor is a geothermal energy solution provider that develops a closed-loop system to provide baseload energy solutions.

$64.9M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Warsaw, Poland

NanoSci develops patented light-powered nanotech for air purification, food preservation, and green hydrogen.

$833K raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Paris, France

Spinergie digitizes vessel operations to enable better marketing decisions and generate efficiency.

$11.6M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Coimbra, Portugal

Operating System for Energy Communities - SaaS

$15.8M raised
Jun 2022

Founder Contacts

30,000+ verified contacts

Toronto, Canada

e-Zinc is an electrochemical technology developer of energy storage solutions.

$31.0M raised
Jun 2024

Founder Contacts

30,000+ verified contacts

Düsseldorf, Germany

Zendure is the pioneer of the world’s first plug-and-play balcony energy storage system.

$13.9M raised
Jun 2023

Founder Contacts

30,000+ verified contacts

Showing 126 to 150 of 820 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 820 cleantech companies tracked in the VCBacked database.

Average Funding
$22.7M
Total Funding Tracked
$568.5M
Countries Represented
13

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.Berkeley
1 companies$2.9M
2.Hellerup
1 companies$3.0M
3.South Holland
1 companies$2.3M
4.Portland
1 companies$250K
5.Orem
1 companies$124K

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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820 CleanTech Startups (2026) — Recently Funded Companies, Investors & Rounds | VCBacked