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Seed CleanTech Companies

Explore 293 cleantech startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
293
Total Funding
$80.0M
Avg Funding
$3.2M
Cities
22

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Istanbul, Turkey
$500K
raised

Palgae uses algae to absorb CO2 from the atmosphere and stores it in the raw materials it makes.

Aug 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Dallas, United States
$6.0M
raised

Zevo is an advanced two-sided marketplace that allows EV owners to share or rent the EV's contactless with guests.

Aug 2023
Seed

Founder Contacts

41,000+ verified contacts

Montréal, Canada
$1.4M
raised

FTEX Develops smart connected drive systems for light electric vehicles.

Aug 2022
Seed

Founder Contacts

41,000+ verified contacts

Houston, United States
$875K
raised

e-HORUS provides energy solutions that help businesses optimize operations, improve efficiency, and support a more sustainable future.

Aug 2026
Seed

Founder Contacts

41,000+ verified contacts

Auckland, New Zealand
$2.9M
raised

Linca develops hydrometallurgical technology to recover lithium, nickel and cobalt from end-of-life lithium-ion batteries.

Jul 2026
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Grand Cayman, Cayman Islands
$13.5M
raised

Unblock is a climate technology company that offers a solution to mitigate emissions.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

Berlin, Germany
$4.7M
raised

Cariqa powers EV charging transactions, cutting out intermediaries and complexity.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

Vällingby, Sweden
$727K
raised

Caplyzer develops and patented a new solution for water electrolysis.

Jul 2026
Seed

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

SunGreenH2 is a deep cleantech company making electrolysers produce 2x green hydrogen using 30x lower precious metals and 10% lower energy.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

Rome, Italy
$4.0M
raised

Technology infrastructure as a service

Jul 2026
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Besançon, France
$1.7M
raised

CLHYNN is an industrial deep tech startup, offering the next gen. of decentralized electricity for mobility and stationary applications

Jul 2023
Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom

Renewabl is a climate-tech software company.

Jul 2024
Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$18.1M
raised

Altruistiq provides a platform that enables enterprises to automate sustainability data measurement, management, and exchange.

Jul 2022
Seed

Founder Contacts

41,000+ verified contacts

Boston, United States
$5.0M
raised

Reservoir provides smart heat pump water heaters with connected energy management and thermal storage.

Jul 2026
Seed

Founder Contacts

41,000+ verified contacts

Milan, Italy
$1.2M
raised

VisioNing is a cleantech company that offers proprietary technology solutions for treatment and valorization of agro-industrial wastewater.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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San Leandro, United States
$2.0M
raised

Enables economic lithium production from low-grade resources previously considered infeasible, leveraging applied electrochemistry.

Jul 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Layton, United States
$250K
raised

Vortechs is an advanced recycling company that recycles most plastic and other hydrocarbon waste, in any mix.

Jul 2022
Seed

Founder Contacts

41,000+ verified contacts

Detroit, United States
$3.5M
raised

The supply chain platform reshaping how hardware is built, delivered, and serviced

Jul 2026
Seed

Founder Contacts

41,000+ verified contacts

Barcelona, Spain
$5.1M
raised

X1 Wind is a disruptive floating platform developing a floating wind platform for deep waters.

Jul 2026
Seed

Founder Contacts

41,000+ verified contacts

Berkeley, United States
$2.9M
raised

Power‑Plant‑in‑a‑Box for EV, Data Centers | Green Energy Everywhere

Jul 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Bassens, France
$1.1M
raised

W Platform is a company that captures, analyzes, and repurposes CO2 emissions.

Jul 2026
Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$3.0M
raised

Save Your Wardrobe is the global standard for end-to-end aftersales solutions, powering every service beyond the point of sale.

Jun 2022
Seed

Founder Contacts

41,000+ verified contacts

Singapore, Singapore
$875K
raised

URECA is a climate-tech startup whose mission is to make carbon offsetting accessible to everyone by utilising cutting-edge technology.

Jun 2024
Seed

Founder Contacts

41,000+ verified contacts

Warsaw, Poland
$833K
raised

NanoSci develops patented light-powered nanotech for air purification, food preservation, and green hydrogen.

Jun 2024
Seed

Founder Contacts

41,000+ verified contacts

Walldorf, Germany

FuelSave is a disruptive energy efficiency enhancement company that provides innovative solutions.

Jun 2022
Seed

Founder Contacts

41,000+ verified contacts

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