Skip to main content

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
$77.8M
Avg Funding
$3.9M
Global Reach
11
countries

Top Cities for CleanTech

Schiedam
Guildford
Cincinnati
Minato
London
Madrid

Recently Funded Companies

Export
Schiedam, The Netherlands

Alquion is a Dutch cleantech company that develops and markets Flexolyser™.

Oct 2024

Founder Contacts

30,000+ verified contacts

Guildford, United Kingdom

Cool Planet Technologies develops a cutting-edge membrane-based technology to absorb carbon dioxide.

$25.6M raised
Oct 2024

Founder Contacts

30,000+ verified contacts

Cincinnati, United States

EdgeEnergy provides electric vehicle (EV) fast charging solutions at the edge of the grid.

$3.5M raised
Oct 2025

Founder Contacts

30,000+ verified contacts

Minato, Japan

Spacecool offers zero-energy cooling materials that radiate heat to space, reducing temperatures and mitigating global warming.

$6.6M raised
Oct 2025

Founder Contacts

30,000+ verified contacts

London, United Kingdom

IZI Electric provides an affordable zero-emission alternative to the fastest-growing cities in the world.

$222K raised
Oct 2024

Founder Contacts

30,000+ verified contacts

Madrid, Spain

kokono.green is an energy rehabilitation one-stop shop that optimizes energy renovations to reach a more sustainable society.

$850K raised
Oct 2021

Founder Contacts

30,000+ verified contacts

Lausanne, Switzerland

Nanogence is a global material innovation company specializing in the production and sales of novel synthetic materials. .

$12.0M raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Paris, France

Unico engages in promoting and optimizing waste collection in order to reduce waste production.

$1.5M raised
Oct 2022

Founder Contacts

30,000+ verified contacts

Edinburgh, United Kingdom

Helping grow more trees more sustainably.

$35K raised
Oct 2025

Founder Contacts

30,000+ verified contacts

Tønsberg, Norway

Maker of Freepower - an electric boat totally self-sufficient by solar energy

$178K raised
Oct 2021

Founder Contacts

30,000+ verified contacts

Datchet, United Kingdom

HotGreen is an industrial high-temperature heat pump company providing process heat from electricity.

$1.6M raised
Oct 2025

Founder Contacts

30,000+ verified contacts

Zürich, Switzerland

UniSieve is a cleantech company that provides molecular separation membrane solutions for a wide range of applications.

Oct 2023

Founder Contacts

30,000+ verified contacts

Warsaw, Poland

Hop.City enables green business mobility on a scale

Oct 2024

Founder Contacts

30,000+ verified contacts

Phoenix, United States

Waste to revenue technology servicing the Agriculture, Food Processing, and Environmental Waste Remediation industries.

Oct 2023

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Net Purpose is the world's first data provider to make impact measurement effortless for investors: who invest for profit and purpose

$11.1M raised
Oct 2022

Founder Contacts

30,000+ verified contacts

New York, United States

WattBuy is a clean energy platform that empowers enterprises to help their customers choose affordable, clean energy options for their home.

$11.2M raised
Oct 2021

Founder Contacts

30,000+ verified contacts

Lewis Center, United States

Long-duration battery energy storage

$2.0M raised
Oct 2022

Founder Contacts

30,000+ verified contacts

Halifax, Canada

Reazent is an agtech company that makes more economically viable, sustainable, and safer alternatives to synthetic agrochemicals.

Oct 2021

Founder Contacts

30,000+ verified contacts

Saku, Estonia

Paul-Tech offer real-time fertilizer level and soil workability monitoring system.

$1.5M raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Hawthorne, United States

Universal Hydrogen is a fuel logistics company making hydrogen-powered commercial flight a reality.

Oct 2022

Founder Contacts

30,000+ verified contacts

Showing 801 to 820 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
$3.9M
Total Funding Tracked
$77.8M
Countries Represented
11

Distribution by Funding Stage

Other20 companies

Top Cities for CleanTech

1.London
2 companies$11.3M
2.Schiedam
1 companiesUndisclosed
3.Guildford
1 companies$25.6M
4.Cincinnati
1 companies$3.5M
5.Minato
1 companies$6.6M

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.

Ready to Connect with CleanTech Startups?

Perfect for: B2B sales teams targeting cleantech companies, investors exploring sector opportunities, and service providers looking for funded companies ready to scale.

Get Started - Access Contact Information

Join thousands of sales teams, investors, and service providers using VCBacked

820 CleanTech Startups (2026) — Recently Funded Companies, Investors & Rounds — Page 33 | VCBacked