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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
$42.4M
Avg Funding
$1.7M
Cities
19

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Amsterdam, The Netherlands
$1.6M
raised

The integrated sustainability platform platform for mid-market companies.

Mar 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Oxford, United Kingdom
$2.4M
raised

Bockatech develops EcoCore, an injection moulding technology that creates plastic packaging that is insulated, reusable and recyclable.

Mar 2023
Seed

Founder Contacts

41,000+ verified contacts

Portland, United States
$5.0M
raised

HILOS is an end-to-end innovation platform for brands to launch digitally crafted footwear without inventory or end-of-life waste.

Mar 2023
Seed

Founder Contacts

41,000+ verified contacts

Roma, Italy
$256K
raised

Removing pollution by driving vehicles

Mar 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Trondheim, Norway
$4.7M
raised

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

Jan 2023
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Tel Aviv, Israel
$9.0M
raised

Indoor Air Quality (IAQ)

Jan 2023
Seed

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ 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

41,000+ verified contacts

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

41,000+ verified contacts

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41,000+ verified emails
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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

41,000+ verified contacts

Bogotá, Colombia
$4.0M
raised

Consumer Electronics Refurbisher & Refurbished Marketplace

Jan 2026
Seed

Founder Contacts

41,000+ 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

41,000+ verified contacts

Rome, Italy
$52K
raised

B2B platform for circular textiles

Dec 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

State College, United States
$900K
raised

spotLESS Materials is a cleantech platform.

Dec 2021
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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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

41,000+ 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

41,000+ verified contacts

Amsterdam, The Netherlands
$1.4M
raised

One-stop shop for solar mini-grids

Dec 2021
Pre-Seed

Founder Contacts

41,000+ 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

41,000+ verified contacts

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

41,000+ verified contacts

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41,000+ verified emails
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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

41,000+ 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

41,000+ verified contacts

Princeton, United States
$1.3M
raised

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

Dec 2025
Seed

Founder Contacts

41,000+ 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

41,000+ verified contacts

Gilbert, United States

B2B Roof-Integrated Solar for the Residential Sector

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

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293 CleanTech Seed Startups (September 2026) — Page 10 | VCBacked