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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
$137.2M
Avg Funding
$5.5M
Global Reach
10
countries

Top Cities for CleanTech

Singapore
Wolverton
Calgary
Sedgefield
Houston
New York

Recently Funded Companies

Export
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

30,000+ 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

30,000+ 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

30,000+ verified contacts

Sedgefield, United Kingdom

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

Jan 2023

Founder Contacts

30,000+ verified contacts

Houston, United States

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

$10.0M raised
Nov 2022

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ verified contacts

Oxford, United Kingdom

Biomicrogels Group is the developer and patent holder for biomicrogels capable of addressing the global environmental problems

$5.3M raised
Jan 2022

Founder Contacts

30,000+ 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

30,000+ verified contacts

Lowell, United States

Phase Two Chemicals is a clean chemistry company developing breakthrough technology for on-site hydrogen peroxide production.

$12.0M raised
Jan 2022

Founder Contacts

30,000+ verified contacts

San Jose, United States

Full Cycle Bioplastics converts organic waste into PHA material for businesses.

Jan 2022

Founder Contacts

30,000+ verified contacts

Izmir, Turkey

Blueit digitizes the entire water cycle and turns water data into intelligent, scalable sustainability actions.

$470K raised
Nov 2025

Founder Contacts

30,000+ verified contacts

Newark, United States

FreeWire Technologies is a provider of ultrafast electric vehicle (EV) charging solutions that mitigate the impact on the grid.

$29.2M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

CenoBots, short for Cenozoic Robotics, is a leading commercial cleaning robotics company.

$14.1M raised
Nov 2025

Founder Contacts

30,000+ verified contacts

Munich, Germany

Battery infrastructure for electrified depots and industrial hubs.

$4.3M raised
Nov 2025

Founder Contacts

30,000+ verified contacts

Nantes, France

Simple, powerful floating solar technology

Nov 2023

Founder Contacts

30,000+ verified contacts

Oslo, Norway

Flocean delivers subsea pumping systems for providing clean drinking water in the region.

$22.5M raised
Nov 2025

Founder Contacts

30,000+ verified contacts

Brussels, Belgium

Textile Disassembly, Textile Recycling, Ecodesign, Circular Fashion, Design for Disassembly, Sustainable Fashion

$7.0M raised
Nov 2025

Founder Contacts

30,000+ verified contacts

Berthoud, United States

Living Ink Technologies is developing bio-based pigments for ink, dying, leathers, plastics and rubbers

$250K raised
Nov 2025

Founder Contacts

30,000+ verified contacts

Las Vegas, United States

Promethium provides commercial HVAC air purification systems.

$285K raised
Nov 2022

Founder Contacts

30,000+ verified contacts

San Francisco, United States

Recytics is an AI platform that provides real-time waste flow insights to improve sorting and optimize collection operations.

$2.5M raised
Nov 2025

Founder Contacts

30,000+ verified contacts

Brooklyn, United States

Amogy offers carbon-free energy solutions using ammonia cracking technology.

$15.0M raised
Nov 2025

Founder Contacts

30,000+ verified contacts

Miami, United States

BetaBlocks is a web 3.0 infrastructure company. We provide a white label solution for brands to create digital asset marketplaces.

$1.5M raised
Nov 2021

Founder Contacts

30,000+ verified contacts

London, United Kingdom

eleXsys Energy operates as a cleantech energy company.

$2.7M raised
Nov 2021

Founder Contacts

30,000+ verified contacts

Tallinn, Estonia

Delivering Sustainable Energy to Humanity

$3.2M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Showing 726 to 750 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
$5.5M
Total Funding Tracked
$137.2M
Countries Represented
10

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.Singapore
2 companies$14.3M
2.London
2 companies$2.7M
3.Wolverton
1 companies$1.2M
4.Calgary
1 companiesUndisclosed
5.Sedgefield
1 companiesUndisclosed

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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