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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
$24.8M
Avg Funding
$994K
Cities
22

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Louvain-la-neuve, Belgium
$2.4M
raised

ARK Capture Solutions is a cleantech company that specializes in decarbonization solutions to record low energy consumption.

Mar 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Los Angeles, United States
$120K
raised

Liquidstar makes Waypoints, or the 7/11 for Utility Services (Electricity, Water, and Internet) in Emerging Markets

Mar 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Wailuku, United States
$250K
raised

Hardware-signed environmental data infrastructure. Sensor readings verified at the edge, anchored on-chain.

Mar 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Lausanne, Switzerland
$1.4M
raised

Qaptis combats climate change by capturing CO2 emissions at the source.

Mar 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Tallinn, Estonia
$111K
raised

Ringy connects trade-ins, refurbishers & marketplaces

Mar 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Brisbane, Australia
$1.0M
raised

Building autonomous soil infrastructure

Feb 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Munich, Germany
$1.8M
raised

Your Gateway to Geospatial Insights

Feb 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Stockholm, Sweden
$1.5M
raised

Tether builds AI that turns millions of parked EVs into the world's largest battery

Jun 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Seattle, United States
$2.6M
raised

AtmoCooling is a climate tech company that offers cooling solutions for coastal deserts.

Mar 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Herzliya, Israel
$1.5M
raised

Zero-carbon footprint technology for VOCs Abatement

Mar 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Tallinn, Estonia
$544K
raised

We connect landowners to the C 100B nature finance marketbringing AI and innovation to the world's oldest asset class: land.

Nov 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Luxembourg, Luxembourg
$166K
raised

3D printing raw clay bricks

Aug 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Los Angeles, United States
$1.0M
raised

Miravel is building the world's first AI-powered community gardens

Jun 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Reutlingen, Germany
$216K
raised

Reducing buildings' carbon footprint with Energy AI

May 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Zurich, Switzerland
$2.2M
raised

4QT is a manufacturing company that designs high-power electric drives for the heavy equipment industry, with patented motors and batteries.

Dec 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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London, United Kingdom
$1.0M
raised

Samudra Oceans is a robotics AI startup that offers static robotic monitoring solutions for seaweed farming

Nov 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Berlin, Germany
$700K
raised

Meloon captures and converts carbon dioxide from the atmosphere.

Nov 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Amsterdam, The Netherlands
$2.0M
raised

Water from air. Anywhere.

Sep 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Houston, United States
$500K
raised

Decarbonizing the Heavy Industry and Electricity Space by Pioneering Hydrogen as a Sustainable Alternative.

Jul 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Copenhagen, Denmark
$135K
raised

Disrupting telecom for the good of people and the planet!

May 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Hayward, United States
$250K
raised

A group led by entrepreneurs and scientists, is poised to transform and enhance the energy storage system in electric vehicles.

Mar 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

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

Roma, Italy
$256K
raised

Removing pollution by driving vehicles

Mar 2023
Pre-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

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

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