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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
$502.8M
Avg Funding
$20.1M
Global Reach
11
countries

Top Cities for CleanTech

Chicago
Parnell
London
Hamburg
Colne
Calgary

Recently Funded Companies

Export
Chicago, United States

Haylon Technologies is enabling a new class of ultra-efficient battery packs.

Jul 2023

Founder Contacts

30,000+ verified contacts

Parnell, New Zealand

Avertana is a process technology business that refines solid industrial waste into essential raw materials used to make everyday products.

Jul 2024

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Renewabl is a climate-tech software company.

Jul 2024

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Altruistiq provides a platform that enables enterprises to automate sustainability data measurement, management, and exchange.

$18.1M raised
Jul 2022

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Itero creates profitable waste management solutions.

$6.1M raised
Jul 2022

Founder Contacts

30,000+ verified contacts

Hamburg, United States

Aerovec is a renewable electrical energy provider developing small wind turbine technology.

$139K raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Colne, United Kingdom

Patch App intends to digitally transform the window cleaning business.

$2.0M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Founders Factory builds and funds startups together with exceptional entrepreneurs and the world's leading companies.

$13.3M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Calgary, Canada

Revolutionizing bitumen recovery with biomass-derived solvents produced from forestry and agricultural biomass.

$3.4M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Cambridge, United States

Solstice provides turnkey customer solutions for shared solar.

Jul 2024

Founder Contacts

30,000+ verified contacts

Berlin, Germany

ecoLocked is turning buildings into carbon sinks by developing CO2-negative building materials.

Jul 2024

Founder Contacts

30,000+ verified contacts

Milan, Italy

VisioNing is a cleantech company that offers proprietary technology solutions for treatment and valorization of agro-industrial wastewater.

$1.2M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Selçuklu, Turkey

Sitrett MX is a manufacturing company that engages in the production of soaps and cleaning products for personal and industrial purposes.

$743K raised
Jul 2022

Founder Contacts

30,000+ verified contacts

Barcelona, Spain

Electricty from nature.

$521K raised
Jul 2022

Founder Contacts

30,000+ verified contacts

East Setauket, United States

A decentralized network of fully-automated indoor vertical farms.

$3.7M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Layton, United States

Vortechs is an advanced recycling company that recycles most plastic and other hydrocarbon waste, in any mix.

$250K raised
Jul 2022

Founder Contacts

30,000+ verified contacts

Viljandi, Estonia

Solarstone develops and produces building-integrated PV (BIPV) solutions that promote sustainable building principles

$10.2M raised
Jul 2022

Founder Contacts

30,000+ verified contacts

Berkeley, United States

Pivot Bio is an agricultural tech company improving the microbiome by taking nitrogen from the air and making it available for plants.

$430.0M raised
Jul 2021

Founder Contacts

30,000+ verified contacts

Warrington, United Kingdom

MoltexFLEX is developing the advanced small modular FLEX reactor and GridReserve energy storage system.

$1.7M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Eindhoven, The Netherlands

EIT InnoEnergy is an environmental services company that provides catalysing and accelerating energy transitions.

Jul 2024

Founder Contacts

30,000+ verified contacts

Barcelona, Spain

Plastiks uses blockchain to verify and track plastic recovery data, ensuring transparency and combating greenwashing in recycling.

$500K raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Carlsbad, United States

Circularity platform that streamlines electric vehicle battery assessment, integration, and reuse.

$10.0M raised
Jul 2024

Founder Contacts

30,000+ verified contacts

Espoo, Finland

Hyperion Robotics develops industrial construction automated and sustainable concrete 3D printing.

Jul 2024

Founder Contacts

30,000+ verified contacts

Delft, The Netherlands

Kitepower elevates wind energy to a new level by swapping out heavy structure for intelligent controls and lightweight wings.

$981K raised
Jul 2022

Founder Contacts

30,000+ verified contacts

Tauranga, New Zealand

Cetogenix is a clean technology business dedicated to creating long-term solutions to global climate change.

$27K raised
Jul 2024

Founder Contacts

30,000+ verified contacts

Showing 101 to 125 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
$20.1M
Total Funding Tracked
$502.8M
Countries Represented
11

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.London
4 companies$37.5M
2.Barcelona
2 companies$1.0M
3.Chicago
1 companiesUndisclosed
4.Parnell
1 companiesUndisclosed
5.Hamburg
1 companies$139K

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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