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Seed Water Companies

Explore 118 water startups that raised seed funding. Access verified founder contact information and fundraising data.

Total Companies
118
Total Funding
$48.6M
Avg Funding
$1.9M
Cities
22

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London, United Kingdom
$319K
raised

InX Tech is a sustainability company that develops autonomous underwater vehicles powered by Hydrogen to collect data from the ocean.

Mar 2025
Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$400K
raised

Utilizing AI agents to optimize transportation, energy, safety and assets across smart cities

Mar 2022
Seed

Founder Contacts

41,000+ verified contacts

Los Angeles, United States
$1.3M
raised

NEXT TFX is developing ultra-high-pressure membranes enabling efficient water purification and critical mineral recovery.

Mar 2026
Seed

Founder Contacts

41,000+ verified contacts

Lagos, Chile
$1.0M
raised

Kran is a technology company that develops solutions through designs and implementation of applications based on nanobubble science.

Mar 2023
Seed

Founder Contacts

41,000+ verified contacts

Birmingham, United Kingdom
$775K
raised

NovNat develops advanced materials and systems for atmospheric water harvesting.

Mar 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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$4.4M
raised

Ilion Water Technologies specializes in innovative water treatment solutions, ensuring clean and sustainable water for communities.

Mar 2026
Seed

Founder Contacts

41,000+ verified contacts

Edinburgh, United Kingdom
$1.1M
raised

Waterwhelm is an award-winning company that is commercialising a patent-protected membrane technology for wastewater treatment.

Mar 2025
Seed

Founder Contacts

41,000+ verified contacts

Heidelberg, Germany
$9.8M
raised

Blue activity is a CleanTech startup specializing in sustainable industrial water treatment.

Mar 2026
Seed

Founder Contacts

41,000+ verified contacts

Birmingham, United States
$1.3M
raised

Nyad is an AI-powered software platform that assists wastewater treatment plants in more efficiently testing and treating conditions.

Mar 2026
Seed

Founder Contacts

41,000+ verified contacts

Zürich, Switzerland
$1.9M
raised

CellX Biosolutions is the Sustainable treatment of chemical waste.

Feb 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Liverpool, United Kingdom

Win Win Water is a food and beverages company delivering sustainable natural alkaline water and plant-based bottles.

Feb 2025
Seed

Founder Contacts

41,000+ verified contacts

Austin, United States
$470K
raised

Antelope Water Management partners invests in sustainable water solutions.

Feb 2022
Seed

Founder Contacts

41,000+ verified contacts

Calgary, Canada
$3.2M
raised

Swirltex builds custom water treatment systems for a wide range of applications.

Aug 2025
Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$2.6M
raised

Watergate is an impact startup engineering smart solutions to stop water waste, save money, and protect the planet

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

Toronto, Canada
$2.0M
raised

Xatomsdevelops novel photocatalysts to create efficient and sustainable water treatment.

Jun 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Hamburg, Germany
$1.1M
raised

Pydro is a Hamburg-based company that aims to become an integrated solution provider for smart water networks.

May 2025
Seed

Founder Contacts

41,000+ verified contacts

Saint-mandé, France
$3.4M
raised

Kumulus develops and operates machines that turn air into fresh drinking water

May 2025
Seed

Founder Contacts

41,000+ verified contacts

$680K
raised

Sunda Technology Global is a manufacturing company that designs and produces automatic hand-pump water charge collection systems.

Apr 2025
Seed

Founder Contacts

41,000+ verified contacts

Sherbrooke, Canada
$1.7M
raised

BioAlert Solutions is a continuous monitoring device used to detect legionella pneumophila.

Mar 2025
Seed

Founder Contacts

41,000+ verified contacts

Oxford, United Kingdom
$6.0M
raised

Seloxium is innovative research that makes it possible to extract necessary metals in an environmentally friendly manner.

Mar 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Houston, United States
$300K
raised

AtmoSpark slashes building energy costs with breakthrough moisture capture technology

Mar 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Miami, United States
$250K
raised

Worlds first BevTech company, hyper focused on Exponentially Increasing the Quality and Utility of Daily Drinking Water, Globally.

Feb 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

San Diego, United States
$1.0M
raised

Cloud is a technology company building water filtration products for the smart home.

Jan 2025
Seed

Founder Contacts

41,000+ verified contacts

Washington, United States
$3.1M
raised

Resource Monitor offers a unified hardware and software platform for groundwater production and management.

Dec 2024
Seed

Founder Contacts

41,000+ verified contacts

Cosenza, Italy
$384K
raised

WembraneX's goal is to make wastewater treatment facilities more cost-effective.

Oct 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Showing 51 to 75 of 118 companies

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118 Water Seed Startups (October 2026) — Page 3 | VCBacked