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Series A CleanTech Companies

Explore 91 cleantech startups that raised series a funding. Access verified founder contact information and fundraising data.

Total Companies
91
Total Funding
$394.0M
Avg Funding
$15.8M
Cities
20

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Cambridge, United States
$30.0M
raised

Mantel proposes a method to trap CO2 before it enters the atmosphere.

Sep 2024
Series A

Founder Contacts

30,000+ verified contacts

Toulouse, France
$13.5M
raised

Geothermal developer - Baseload renewable energy

Sep 2022
Series A

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$8.8M
raised

Puraffinity develops precision materials to target chemicals, with an initial focus on PFAS in water

Sep 2024
Series A

Founder Contacts

30,000+ verified contacts

Edmonton, Canada
$3.0M
raised

Direct-C has developed a proprietary, polymer nano-composite platform technology.

Aug 2022
Series A

Founder Contacts

30,000+ verified contacts

Oxford, United Kingdom
$11.7M
raised

Oxwash is a provider of sustainable on-demand laundry and wet and dry cleaning services for all.

Aug 2022
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Austin, United States
$10.0M
raised

AI-Assisted Troubleshooting for Heavy Industry

Aug 2023
Series A

Founder Contacts

30,000+ verified contacts

Columbus, United States
$18.0M
raised

Power to Hydrogen develops advanced AEM electrolyzers that integrate with renewables while eliminating precious, expensive metals.

Aug 2024
Series A

Founder Contacts

30,000+ verified contacts

Memphis, United States
$30.0M
raised

Graphyte offers carbon removal services by utilizing a carbon casting technology.

Jul 2024
Series A

Founder Contacts

30,000+ verified contacts

Viljandi, Estonia
$10.2M
raised

Solarstone develops and produces building-integrated PV (BIPV) solutions that promote sustainable building principles

Jul 2022
Series A

Founder Contacts

30,000+ verified contacts

Madrid, Spain
$12.5M
raised

Samara is a solar energy company that helps households transition to a more sustainable energy model.

Jun 2024
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Paris, France
$11.6M
raised

Spinergie digitizes vessel operations to enable better marketing decisions and generate efficiency.

Jun 2022
Series A

Founder Contacts

30,000+ verified contacts

Coimbra, Portugal
$15.8M
raised

Operating System for Energy Communities - SaaS

Jun 2022
Series A

Founder Contacts

30,000+ verified contacts

Toronto, Canada
$31.0M
raised

e-Zinc is an electrochemical technology developer of energy storage solutions.

Jun 2024
Series A

Founder Contacts

30,000+ verified contacts

Düsseldorf, Germany
$13.9M
raised

Zendure is the pioneer of the world’s first plug-and-play balcony energy storage system.

Jun 2023
Series A

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$26.0M
raised

Gigaton is a climate technology company developing artificial intelligence to decarbonize energy-intensive industries.

Jun 2026
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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London, United Kingdom
$40.0M
raised

Isometric is a registry for high quality science-backed carbon removal credits.

Jun 2026
Series A

Founder Contacts

30,000+ verified contacts

Córdoba, Argentina
$7.5M
raised

Kilimo is a Big Data solution for water management in agriculture.

Jun 2024
Series A

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$8.0M
raised

Station A is a technology company reimagining how clean energy is bought and sold.

Jun 2025
Series A

Founder Contacts

30,000+ verified contacts

Stockholm, Sweden
$15.1M
raised

Leading transition management platform powering 300+ cities to plan and finance decarbonization

Jun 2023
Series A

Founder Contacts

30,000+ verified contacts

Tarragona, Spain
$6.5M
raised

JOLT is supplying next-generation activated electrodes & protective coating solutions for hydrogen & water treatment electrolysis

Jun 2023
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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San Francisco, United States
$10.0M
raised

Planet FWD is a carbon management platform for consumer products that helps brands calculate their carbon footprint.

May 2022
Series A

Founder Contacts

30,000+ verified contacts

Toronto, Canada
$20.0M
raised

Software company that enables intelligent energy in smart cities

May 2023
Series A

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$12.0M
raised

Brilliant Planet is a nature-based carbon capture and storage company.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Welshpool, Australia
$8.6M
raised

Renewable Metals allows outdated batteries to retain essential minerals, extending their useful life.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

Bozeman, United States
$20.5M
raised

Zeno is a climate conscious motor company that offers eco-friendly motorcycles.

Mar 2026
Series A

Founder Contacts

30,000+ verified contacts

Showing 1 to 25 of 91 companies

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