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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
$85.3M
Avg Funding
$3.4M
Global Reach
15
countries

Top Cities for CleanTech

Signal Hill
Tallinn
Palazzo Adriano
São Paulo
Buenos Aires
Leipzig

Recently Funded Companies

Export
Signal Hill, United States

ReJoule fast battery diagnostics platform enables unprecedented insights into electric vehicle batteries at every stage in their life cycle

$6.3M raised
Oct 2024

Founder Contacts

41,000+ verified contacts

Tallinn, Estonia

Cleantech platform offering wireless metering and AI-driven energy management to track, analyze, and optimize energy use in real time.

$636K raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Palazzo Adriano, Italy

Waxy is an innovative startup that operates in the domain of designing, building, and distributing technologies.

$1.5M raised
Oct 2024

Founder Contacts

41,000+ verified contacts

São Paulo, Brazil

Eos is a Fintech company

$694K raised
Oct 2024

Founder Contacts

41,000+ verified contacts

Buenos Aires, Argentina

Last mile Hydrogen Generation for Industrial Processes Decarbonization

$525K raised
Oct 2023

Founder Contacts

41,000+ verified contacts

Leipzig, Germany

Aevoloop is creating innovative, environmentally friendly performance plastics that are closed-loop recyclable.

$5.8M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Lappeenranta, Finland

SpinDrive creates customized levitation technology pushing energy efficiency to the maximum level and promoting oil-free solutions.

Oct 2025

Founder Contacts

41,000+ verified contacts

Delft, The Netherlands

Delft Advanced Biorenewables is a separation and fermentation technology firm.

Oct 2025

Founder Contacts

41,000+ verified contacts

Copenhagen, Denmark

Simplify and Automate your Carbon Accounting

Oct 2025

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Kit Switch offers a streamlined design-to-delivery experience to install reconfigurable apartment interiors inside building structures.

Oct 2022

Founder Contacts

41,000+ verified contacts

Zürich, Switzerland

Loopia is an app that offers electronic repair services in circular economy.

$274K raised
Oct 2021

Founder Contacts

41,000+ verified contacts

Elmira, United States

ULTIMATE RECYCLER eliminates garbage landfills, forever, everywhere.

$250K raised
Oct 2021

Founder Contacts

41,000+ verified contacts

San Jose, United States

Lyten is a supermaterial applications company that develops, sources, and manufactures low-carbon footprint products.

$400K raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Manaus, Brazil

Virtu GNL is a logistics company that provides transportation of liquefied natural gas to areas where pipelines are not available.

$15.8M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

DiviGas developed a new process for manufacturing membrane fiber which has yielded vastly superior results to Gas separation membrane

$614K raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Boston, United States

Energetic Capital provides renewable energy financing services for commercial and industrial projects.

Oct 2024

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands

BigCircle Ventures is a cleantech venture builder engaged in transforming early-stage deeptech research into scalable startups.

$2.3M raised
Oct 2025

Founder Contacts

41,000+ verified contacts

Schiedam, The Netherlands

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

Oct 2024

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ verified contacts

Showing 801 to 825 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
$3.4M
Total Funding Tracked
$85.3M
Countries Represented
15

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.Signal Hill
1 companies$6.3M
2.Tallinn
1 companies$636K
3.Palazzo Adriano
1 companies$1.5M
4.São Paulo
1 companies$694K
5.Buenos Aires
1 companies$525K

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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