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Pre-Seed CleanTech Companies

Explore 65 cleantech startups that raised pre-seed funding. Access verified founder contact information and fundraising data.

Total Companies
65
Total Funding
$9.5M
Avg Funding
$635K
Cities
12

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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

Rome, Italy
$52K
raised

B2B platform for circular textiles

Dec 2024
Pre-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
$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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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

Mooresville, United States
$500K
raised

Sheets Laundry provides plastic-free, Eco-friendly Laundry Detergent Sheets and cleaning products.

Nov 2021
Pre-Seed

Founder Contacts

41,000+ verified contacts

Somerville, United States
$800K
raised

Sol Clarity specializes in the development and production of self-cleaning solar.

Nov 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$249K
raised

Realfin is the London-based global leader in real assets data & intelligence with the world's largest real assets data platform, RealfinX.

Nov 2021
Pre-Seed

Founder Contacts

41,000+ verified contacts

Tallinn, Estonia
$1.7M
raised

Verified carbon emission credits from increased material recovery

Nov 2021
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Mannheim, Germany

ICODOS de-fossilizes the shipping and chemical industries with a patented, breakthrough technology for the production of e-methanol.

Oct 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

New York, United States
$750K
raised

FLIT Invest is an automated impact investing app that allows users to align their investments with their values without sacrificing returns

Oct 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Kit Switch offers a streamlined design-to-delivery experience to install reconfigurable apartment interiors inside building structures.

Oct 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Zürich, Switzerland
$274K
raised

Loopia is an app that offers electronic repair services in circular economy.

Oct 2021
Pre-Seed

Founder Contacts

41,000+ verified contacts

Datchet, United Kingdom
$1.6M
raised

HotGreen is an industrial high-temperature heat pump company providing process heat from electricity.

Oct 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Showing 51 to 65 of 65 companies

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65 CleanTech Pre-Seed Startups (October 2026) — Page 3 | VCBacked