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CleanTech Startups

Updated August 2026

Companies in the cleantech sector developing innovative solutions and technologies.

Explore 837 recently funded cleantech companies with verified founder contact information and fundraising data.

Total Companies
837
Total Funding
$239.8M
Avg Funding
$9.6M
Global Reach
11
countries

Top Cities for CleanTech

Delta
Buenos Aires
The Hague
London
Bristol
Naples

Recently Funded Companies

Export
Delta, Canada

Northstar Clean Technologies focuses on the recovery and reprocessing of single-use asphalt shingles.

$9.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Buenos Aires, Argentina

Empowering Local Rare Earths with Modular Refining Innovation

$2.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

The Hague, The Netherlands

Circularise provides digital product passport and mass balance bookkeeping software for secure data exchange for industrial supply chains

$5.5M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Emitwise is an AI-powered carbon management platform that helps businesses in tracking and managing their carbon footprint.

$10.0M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

Bristol, United Kingdom

Rovco provides an autonomous underwater vehicle and remotely operated underwater vehicle technologies and support services.

$20.0M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

Naples, Italy

Green fintech startup that provides a disruptive SaaS for digital receipt collecting Offline Market Big Data through an in-house AI model

$239K raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Neuchâtel, Switzerland

SOLARSPLIT simplify solar energy through a community driven, all-in-one solar investment platform.

Mar 2026

Founder Contacts

41,000+ verified contacts

Rochester, United States

Resilient, efficient Thermal Energy Storage for C&I buildings

$25K raised
Mar 2026

Founder Contacts

41,000+ verified contacts

London, United Kingdom

NetZeroNitrogen exists to eliminate synthetic nitrogen fertilizer.

Mar 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

NDB is a nanotechnology company established to develop and manufacture semiconductors, energy, and battery solutions.

Mar 2026

Founder Contacts

41,000+ verified contacts

Oxford, United Kingdom

Oxford University spin-out developing next-generation CSP and solar thermal storage technologies to decarbonise industrial heat processes

Mar 2026

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Praan is a deep tech company focused on particulate matter and CO2 capture using patent-pending technology.

Mar 2026

Founder Contacts

41,000+ verified contacts

Lytham, United Kingdom

Using innovative electrochemistry and process engineering. Carbonbit Technologies develops best in class Direct Air Capture technology.

Mar 2025

Founder Contacts

41,000+ verified contacts

Louvain-la-neuve, Belgium

ARK Capture Solutions is a cleantech company that specializes in decarbonization solutions to record low energy consumption.

$2.4M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Farmers Branch, United States

Skyven Technologies is an energy-as-a-service company with a mission to decarbonize industrial process heat.

$145.0M raised
Mar 2024

Founder Contacts

41,000+ verified contacts

Brooklyn, United States

Voltpost transforms lampposts into smart electric vehicle charging stations to make them accessible to people.

Mar 2026

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden

Our mission is to battle global warming by reducing methane emissions from cows.

$1.9M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

Zevero offers AI-powered software combined with sustainability experts to help businesses track emissions and develop a net-zero strategy.

$7.0M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

B2B2C SaaS with consumer app, delivering impact as a service

Mar 2023

Founder Contacts

41,000+ verified contacts

New York, United States

Aether Diamonds produces the world's first and only diamonds made 100% from captured carbon.

$18.3M raised
Mar 2022

Founder Contacts

41,000+ verified contacts

Vilnius, Lithuania

Viezo is a tech start-up company that specializes in energy harvesting technology that convert vibrations into electricity.

Mar 2023

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

Liquidstar makes Waypoints, or the 7/11 for Utility Services (Electricity, Water, and Internet) in Emerging Markets

$120K raised
Mar 2023

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden

Novatron develops a new proprietary fusion power concept together with physicists, engineers, and academia.

$10.9M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Rubi Laboratories develops biocatalyst solutions that turn carbon emissions into carbon-negative textiles.

$7.5M raised
Mar 2026

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Heat Geek is a designer and installer of energy systems.

Mar 2026

Founder Contacts

41,000+ verified contacts

Showing 351 to 375 of 837 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 837 cleantech companies tracked in the VCBacked database.

Average Funding
$9.6M
Total Funding Tracked
$239.8M
Countries Represented
11

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.London
3 companies$10.0M
2.San Francisco
3 companies$7.5M
3.Stockholm
2 companies$12.8M
4.Singapore
2 companies$7.0M
5.Delta
1 companies$9.0M

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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