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Pre-Seed Water Purification Companies

Explore 17 water purification startups that raised pre-seed funding. Access verified founder contact information and fundraising data.

Total Companies
17
Total Funding
$13.4M
Avg Funding
$791K
Cities
16

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$250K
raised

Roshan Water™ enables "anywhere by anyone" to do environmental monitoring with on-demand water testing that provides real-time results.

Sep 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Cologne, Germany
$655K
raised

NUNOS develops biological treatment systems that convert livestock slurry into liquid fertilizer and recycle nitrogenous wastewater.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Headington, United Kingdom
$718K
raised

Pure Capture Innovations develops advanced carbon-based adsorbent materials designed to eliminate persistent micropollutants from water.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Headington, United Kingdom
$718K
raised

Pure Capture Innovations develops advanced carbon-based adsorbent materials designed to eliminate persistent micropollutants from water.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Berlin, Germany
$2.7M
raised

Porelio is an environmental technology that provides purification technologies for water and industrial chemicals.

Jul 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Rosario, Argentina
$250K
raised

NotFossil is a biotechnology company that offers hydrocarbon bioremediation services for wastewater treatment.

Jul 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Brooklyn, United States
$2.0M
raised

Wisewell is a sustainability-driven clean water technology company developing high-quality, easily accessible drinking water solutions.

Apr 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$281K
raised

Analytics for waste water treatment based on real-time automated microscopy

Mar 2026
Pre-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

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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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

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

Groningen, The Netherlands
$364K
raised

IonIQs is committed to supporting industries in their journey towards sustainability.

Dec 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Sariyer, Turkey
$120K
raised

Algbio treats wastewater and captures CO2 with microalgae to produce biofuels, bioplastics, biomaterials and generate carbon credits.

Nov 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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Get verified contact info for decision-makers at 17 funded startups

41,000+ verified emails
Unlimited exports
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Wells, United Kingdom
$506K
raised

Rookwood Operations provides solution to remove excess phosphate , enabling reuse in agriculture and reducing reliance on mined resources.

Oct 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Las Cruces, United States

Evus develops a permanent magnet induction heating and antifouling device, to solve industrial biofouling and corrosion-related problems.

Oct 2021
Pre-Seed

Founder Contacts

41,000+ verified contacts

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