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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
$267.2M
Avg Funding
$10.7M
Global Reach
8
countries

Top Cities for CleanTech

Zurich
Nybro
Berkeley
Philadelphia
London
New York

Recently Funded Companies

Export
Zurich, Switzerland

LEDCity is a energy technology company that designs and develops efficient lighting systems for commercial buildings.

$2.2M raised
Apr 2024

Founder Contacts

41,000+ verified contacts

Nybro, Sweden

CemVision is an industrial tech company that has been developing CO2-free cement.

$10.9M raised
Mar 2024

Founder Contacts

41,000+ verified contacts

Berkeley, United States

AirMyne is scaling high-quality carbon removal through Direct Air Capture.

$6.9M raised
Mar 2024

Founder Contacts

41,000+ verified contacts

Philadelphia, United States

Sprih is changing corporate environmental sustainability with its innovative SaaS platform.

$3.0M raised
Mar 2024

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Mission Zero is an Electrochemical that removes carbon dioxide from the air and concentrates it for a variety of sequestration pathways.

$27.7M raised
Mar 2024

Founder Contacts

41,000+ verified contacts

New York, United States

Sealed is a residential energy efficiency startup that designs, manages, and finances home weatherization and electrification projects.

$30.0M raised
Mar 2024

Founder Contacts

41,000+ verified contacts

Melton Mowbray, United Kingdom

Ultrasonic technology driving the future of sustainable chemicals by separating non-food woody biomass into sugars, cellulose and lignin

$1.5M raised
Feb 2024

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Camus provides a grid orchestration platform to help electric utilities operate and build a reliable, affordable, and zero-carbon grid.

$10.0M raised
Feb 2024

Founder Contacts

41,000+ verified contacts

Palo Alto, United States

Furno is a climate technology company that produces zero-emission ordinary Portland cement.

$6.5M raised
Feb 2024

Founder Contacts

41,000+ verified contacts

London, United Kingdom

AI-powered returnable packaging system that is a scalable & cost-effective alternative to single-use for brands across FMCG, Retail & F&B

$168K raised
Feb 2024

Founder Contacts

41,000+ verified contacts

Altamonte Springs, United States

ecoSPEARS is a cleantech remediation company that is ushering in the carbonless future of environmental cleanup.

$2.0M raised
Feb 2024

Founder Contacts

41,000+ verified contacts

Berlin, Germany

CEEZER is a digital platform offering companies easy, secure, direct access to top-quality projects across the voluntary carbon market.

$11.2M raised
Jan 2024

Founder Contacts

41,000+ verified contacts

Oslo, Norway

Chooose builds software to enable the lower carbon fuel value chain.

$24.0M raised
Jan 2024

Founder Contacts

41,000+ verified contacts

Groningen, The Netherlands

Soly is a solar energy startup that provides energy equipment to make solar energy accessible to everyone.

$32.8M raised
Jan 2024

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Rincell manufactures advanced Lithium-ion and non lithium-ion batteries.

$1.2M raised
Jan 2024

Founder Contacts

41,000+ verified contacts

Torrance, United States

Ccilu (CHEE-loo) means liberate in Japanese, and liberate yourself is our call to action.

$1.0M raised
Dec 2023

Founder Contacts

41,000+ verified contacts

Luxembourg, Luxembourg

Clariter is a global clean-tech company that has created a revolutionary process which addresses the world's plastic waste problem.

$36.5M raised
Dec 2023

Founder Contacts

41,000+ verified contacts

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

41,000+ 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

41,000+ 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

41,000+ verified contacts

San Francisco, United States

Pachama harnesses AI and satellite data to empower companies to confidently invest in nature.

$9.0M raised
Dec 2023

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ verified contacts

Showing 551 to 575 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
$10.7M
Total Funding Tracked
$267.2M
Countries Represented
8

Distribution by Funding Stage

Other25 companies

Top Cities for CleanTech

1.London
3 companies$28.9M
2.San Francisco
3 companies$20.2M
3.Zurich
2 companies$4.4M
4.New York
2 companies$40.0M
5.Nybro
1 companies$10.9M

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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