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Seed CleanTech Companies

Explore 289 cleantech startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
289
Total Funding
$47.6M
Avg Funding
$1.9M
Cities
19

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Trondheim, Norway
$4.7M
raised

Seaweed Solutions is a seaweed cultivator, innovator, and business development company.

Jan 2023
Seed

Founder Contacts

30,000+ verified contacts

Tel Aviv, Israel
$9.0M
raised

Indoor Air Quality (IAQ)

Jan 2023
Seed

Founder Contacts

30,000+ verified contacts

San Francisco, United States
$150K
raised

Effa is a consumer goods company that produces and sells eco-friendly razors and toothbrushes.

Jan 2023
Pre-Seed

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$273K
raised

Redigo is a sustainability platform that with use of Machine Learning allows companies to track, analyse and act on their carbon footprint.

Jan 2023
Seed

Founder Contacts

30,000+ verified contacts

Madrid, Spain
$1.4M
raised

TetraxAI is a clean technology company that provides an AI-powered software platform for renewable energy infrastructure projects.

Jan 2026
Pre-Seed

Founder Contacts

30,000+ verified contacts

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Berlin, Germany

Goodcarbon offers access to existing and emerging natural climate solutions projects and related carbon streams across soil and forest.

Dec 2024
Seed

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$1.2M
raised

GRYD Energy funds, operates, and optimize smart solar systems for homeowners that is decentralized and powered by clean solar energy.

Jan 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

Bogotá, Colombia
$4.0M
raised

Consumer Electronics Refurbisher & Refurbished Marketplace

Jan 2026
Seed

Founder Contacts

30,000+ verified contacts

Helsinki, Finland
$3.4M
raised

Rens Original is a consumer goods company that manufactures and supplies eco-friendly footwear and clothing products.

Dec 2021
Seed

Founder Contacts

30,000+ verified contacts

Rome, Italy
$52K
raised

B2B platform for circular textiles

Dec 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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State College, United States
$900K
raised

spotLESS Materials is a cleantech platform.

Dec 2021
Seed

Founder Contacts

30,000+ verified contacts

Stockholm, Sweden
$674K
raised

Done is the operating system for green energy installations - EV Chargers, Battery storage and Heat pumps.

Dec 2022
Seed

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$281K
raised

Lorica Energy provides capital-deployment platform to to facilitate investment into distributed renewable-energy infrastructure.

Dec 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

Amsterdam, The Netherlands
$1.4M
raised

One-stop shop for solar mini-grids

Dec 2021
Pre-Seed

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Sküma engages in the purification and mineralization of tap water making it a quality functional beverage.

Dec 2023
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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London, United Kingdom
$419K
raised

Bpacks developed the first bark packaging technology that integrates easily into existing production streams, replacing plastic materials.

Dec 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Berlin, Germany
$3.5M
raised

NeoCarbon is a cleantech startup that builds and markets the technology for Direct Air Capture (DAC), capturing CO2 directly from the air.

Dec 2023
Seed

Founder Contacts

30,000+ verified contacts

Bucharest, Romania
$258K
raised

Charger.ro is the first integrator dedicated to smart and green solutions and services, for people and companies.

Dec 2022
Pre-Seed

Founder Contacts

30,000+ verified contacts

Princeton, United States
$1.3M
raised

PolyGone Systems is a cleantech company that removes microplastic from waterways.

Dec 2025
Seed

Founder Contacts

30,000+ verified contacts

Göteborg, Sweden
$274K
raised

RaceONE is the new free app for sharing and following races live - running, cykling, skiing and much more

Jan 2022
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Gilbert, United States

B2B Roof-Integrated Solar for the Residential Sector

Nov 2025
Seed

Founder Contacts

30,000+ verified contacts

London, United Kingdom
$2.7M
raised

Ionech harnesses natural energy for clean, reliable power. Sustainable tech cuts fossil fuel reliance, building a greener future.

Jan 2026
Seed

Founder Contacts

30,000+ verified contacts

Vienna, Austria
$5.5M
raised

Nobile is an energy sharing hub platform that connects the producers and suppliers of renewable energy.

Nov 2024
Seed

Founder Contacts

30,000+ verified contacts

Venezia, Italy
$3.7M
raised

RARA Factory is a company that provides research and development of sustainable materials utilizing physics-based artificial intelligence.

Jan 2026
Seed

Founder Contacts

30,000+ verified contacts

Riga, Latvia
$2.6M
raised

Naco builds a manufacturing station to provide its clients with ready-to-use coated parts for hydrogen production.

Jan 2025
Seed

Founder Contacts

30,000+ verified contacts

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