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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
$243.8M
Avg Funding
$9.8M
Global Reach
12
countries

Top Cities for CleanTech

Toulouse
Sorocaba
Victoria
Spring
New York
Guelph

Recently Funded Companies

Export
Toulouse, France

Ascendance is an aviation company decarbonizing air transport with electric propulsion technology.

$7.5M raised
May 2024

Founder Contacts

30,000+ verified contacts

Sorocaba, Brazil

Focused on applied technology to preserve what matters: water

$778K raised
May 2024

Founder Contacts

30,000+ verified contacts

Victoria, Canada

Emitiq provides tools for measuring, reporting, and verifying environmental projects.

$1.1M raised
May 2023

Founder Contacts

30,000+ verified contacts

Spring, United States

Fintech that provides a financing marketplace for energy efficiency projects

$3.0M raised
May 2023

Founder Contacts

30,000+ verified contacts

New York, United States

SpongeBath develops a sponge holder that cleans and kills 99.99% of odor-causing bacteria in the kitchen sponge.

$65K raised
May 2023

Founder Contacts

30,000+ verified contacts

Guelph, Canada

Erode AI helps businesses thrive in a changing climate with AI-driven, accurate weather forecasting tools.

$325K raised
May 2023

Founder Contacts

30,000+ verified contacts

Helsinki, Finland

Ori Solution is a clean energy company that revolutionizes the conversion of kinetic fluid and gas energy to electrical energy.

$259K raised
May 2022

Founder Contacts

30,000+ verified contacts

Tallinn, Estonia

RR is a tracking and trading platform for recyclable textile waste

May 2022

Founder Contacts

30,000+ verified contacts

Leatherhead, United Kingdom

Sunswap designs, develops, and manufactures batteries and solar-powered transport refrigeration units.

$806K raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Barcelona, Spain

Wallbox is a technology company that provides electric vehicle charging and energy management solutions.

$12.9M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Berlin, Germany

Zolar offers photovoltaic systems that homeowners can customize, compare, and order online at a fixed price.

$108.6M raised
Apr 2024

Founder Contacts

30,000+ verified contacts

São Paulo, Brazil

Octa serves the circular economy and recycling of automobiles.

$1.7M raised
Apr 2022

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Brilliant Planet is a nature-based carbon capture and storage company.

$12.0M raised
Apr 2022

Founder Contacts

30,000+ verified contacts

Miamisburg, United States

Aeroseal is a climate tech company with a mission to shrink carbon emissions from buildings — as much as 1 gigaton of CO2 annually.

$20.0M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Dublin, Ireland

Developing scalable carbon removal solutions

$34K raised
Apr 2025

Founder Contacts

30,000+ verified contacts

San Jose, United States

Anthro Energy is a battery technology company that uses polymer electrolytes to improve the safety and adaptability of lithium-ion cells.

$24.9M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Boulder, United States

Electra is a a clean iron company that uses a low-temperature, electrochemical-hydrometallurgical system to refine iron ore.

Apr 2026

Founder Contacts

30,000+ verified contacts

San Jose, United States

Multifamily EV charging and energy management solution

$5.4M raised
Apr 2025

Founder Contacts

30,000+ verified contacts

Visp, Switzerland

Dufour Aerospace is an aviation company that developed aerobatic aircraft and focuses on developing next-generation electric aircraft.

Apr 2023

Founder Contacts

30,000+ verified contacts

Florø, Norway

Evoy designs and delivers powerful electric motor systems for boats that reduce environmental impact

$7.7M raised
Apr 2022

Founder Contacts

30,000+ verified contacts

Brooklyn, United States

Oonee builds, finances, and operates automated bike parking infrastructure that humanizes public spaces.

$146K raised
Apr 2024

Founder Contacts

30,000+ verified contacts

Helsinki, Finland

Sulapac brings solutions to the global plastic waste problem with biodegradable packaging innovation.

Apr 2023

Founder Contacts

30,000+ verified contacts

Calgary, Canada

EnviCore is an R&D company that specializes in developing technologies that are essential for improving natural resource development.

Apr 2025

Founder Contacts

30,000+ verified contacts

Tampere, Finland

TheStorage provides sustainable grid-scale energy storage that can discharge heat, steam, or CHP.

$4.2M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Montréal, Canada

Torngat Metals provides separated rare earth oxides based on its mine feed and recycled feeds, such as end of life magnets and motors.

$32.4M raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Showing 251 to 275 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
$9.8M
Total Funding Tracked
$243.8M
Countries Represented
12

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.Helsinki
2 companies$259K
2.San Jose
2 companies$30.3M
3.Toulouse
1 companies$7.5M
4.Sorocaba
1 companies$778K
5.Victoria
1 companies$1.1M

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