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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
$132.2M
Avg Funding
$5.3M
Global Reach
9
countries

Top Cities for CleanTech

New York
Zurich
Stockholm
Oakland
San Diego
London

Recently Funded Companies

Export
New York, United States

CurbWaste revolutionizes the waste management ecosystem through its cloud-based and data-driven cleantech platform.

$10.0M raised
Dec 2023

Founder Contacts

30,000+ verified contacts

Zurich, Switzerland

4QT is a manufacturing company that designs high-power electric drives for the heavy equipment industry, with patented motors and batteries.

$2.2M raised
Dec 2023

Founder Contacts

30,000+ verified contacts

Stockholm, Sweden

GreenTech company from Sweden with a breakthrough technology turning agricultural waste to eco-friendly products for replacing plastics.

$3.2M raised
Dec 2023

Founder Contacts

30,000+ verified contacts

Oakland, United States

Sway is a cleantech startup scaling seaweed-based, rapidly compostable replacements for plastic, beginning with flexible packaging.

$5.0M raised
Dec 2023

Founder Contacts

30,000+ verified contacts

San Diego, United States

Eversun: Redefining portable utility with solar-powered, rapidly deployable eTowers for emergency, military, and remote operations.

$300K raised
Nov 2023

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Samudra Oceans is a robotics AI startup that offers static robotic monitoring solutions for seaweed farming

$1.0M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Wilton, United Kingdom

Nova Pangaea Technologies is a cleantech company that has developed a sustainable technology called REFNOVA

$28.9M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Sydney, Australia

Avarni offers carbon management software that enables organizations to measure Scope 1-3 emissions through the analysis of financial data.

$1.6M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Berlin, Germany

Meloon captures and converts carbon dioxide from the atmosphere.

$700K raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Alameda, United States

Zero Emission Industries offers a complete range of hydrogen powered energy systems.

$8.8M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Contilio is the built world's first 3D AI platform providing fully automated and scalable analytics & insights in hours from 3D site data.

$1.3M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Turin, Italy

We simplify waste management by connecting data to organization. | Waste is more.

$1.1M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Laval, Canada

We are transforming the home charging industry with our electric vehicle energy management systems (EVEMS).

$4.4M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Ventive creates healthy internal environments. Pioneers of Passive Ventilation with Heat Recovery

$1.1M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Nottingham, United Kingdom

Concrete4Change is an R&D company developing technology to utilize and permanently mineralize CO2 in concrete.

$3.0M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Richland, United States

OCOchem develops technology that electrochemically converts CO2 into Green Formic, a platform chemical

$5.0M raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Gothenburg, Sweden

ReVibe Energy® provides sensors and monitoring systems with a power source that is both sustainable and reliable.

$1.2M raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Vsters, Sweden

Modular And Compact Direct Air Capture

$672K raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Zurich, Switzerland

Carbon-Aware Cloud Computing: Optimize your cloud workloads for fewer emissions, better price, and large scale.

$5.2M raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Montreal, Canada

Decarbonizing and hyper-localizing food & beverage manufacturing

$4.7M raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Keysborough, Australia

Sky Energy specializes in designing innovative energy storage solutions.

$800K raised
Oct 2023

Founder Contacts

30,000+ verified contacts

Amsterdam, The Netherlands

Water from air. Anywhere.

$2.0M raised
Sep 2023

Founder Contacts

30,000+ verified contacts

Schlieren, Switzerland

Pexapark provides an energy investment platform that specializes in software and advisory services for renewable energy sales.

$21.1M raised
Sep 2023

Founder Contacts

30,000+ verified contacts

Edinburgh, United Kingdom

Continuum Industries is a provider of an AI-powered infrastructure development platform.

$9.8M raised
Sep 2023

Founder Contacts

30,000+ verified contacts

Sherbrooke, Canada

Wave-Powered Sustainable Desalination Solutions for Coastal Communities and Industries facing Water Scarcity

$9.3M raised
Sep 2023

Founder Contacts

30,000+ verified contacts

Showing 551 to 575 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
$5.3M
Total Funding Tracked
$132.2M
Countries Represented
9

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.London
3 companies$3.4M
2.Zurich
2 companies$7.3M
3.New York
1 companies$10.0M
4.Stockholm
1 companies$3.2M
5.Oakland
1 companies$5.0M

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 — Page 23 | VCBacked