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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
$53.5M
Avg Funding
$2.1M
Cities
23

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Menlo Park, United States
$6.8M
raised

Bulwark Dynamics develops autonomous maritime vessels for logistics, featuring GPS-denied navigation, AI-powered systems, and manufacturing.

Sep 2026
Seed

Founder Contacts

41,000+ verified contacts

Menlo Park, United States
$6.8M
raised

Bulwark Dynamics develops autonomous maritime vessels for logistics, featuring GPS-denied navigation, AI-powered systems, and manufacturing.

Sep 2026
Seed

Founder Contacts

41,000+ verified contacts

Ohio, United States
$849K
raised

Caddis Tech is a Water technology company developing autonomous aquatic drones for sustainable monitoring, treatment, and pathogen control.

Sep 2026
Seed

Founder Contacts

41,000+ verified contacts

Newport Beach, United States
$275K
raised

EFAS Technologies is a SaaS company that develops and offers generator-based artificial intelligence leak locators.

Sep 2023
Seed

Founder Contacts

41,000+ verified contacts

Nice, France
$2.4M
raised

cosma is a multi-disciplinary expertise in underwater robotics, navigation and data collection at sea, as well as data science.

Sep 2026
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Mexico City, Mexico
$9.7M
raised

microTERRA is a plant-based food company that creates sustainable and functional food ingredients.

Sep 2024
Seed

Founder Contacts

41,000+ verified contacts

$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

Lyon, France
$2.3M
raised

Tree Water is an engineering company that specializes in the treatment, recycling, and reuse of industrial wastewater.

Sep 2026
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

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41,000+ verified emails
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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

Miami, United States
$500K
raised

Nature Based Solutions at Scale

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

Barcelona, Spain
$593K
raised

4BlueTech is a climate tech company developing AI-driven carbon capture and biotechnologies to reduce and trace CO₂ emissions.

Sep 2023
Seed

Founder Contacts

41,000+ verified contacts

Global Scientific Research Institute - Hazardous Waste Management And Innovation offers waste treatment services.

Aug 2025
Seed

Founder Contacts

41,000+ verified contacts

Grand Junction, United States
$3.7M
raised

H2Plus offers a patented water treatment technology that works on eliminating PFAS/PFOS chemicals on contact with no harmful byproduct.

Aug 2024
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Las Vegas, United States
$1.1M
raised

WAVR Technologies offers sustainable water solutions with next-gen atmospheric water harvesting systems.

Aug 2025
Seed

Founder Contacts

41,000+ verified contacts

Penryn, United Kingdom

Oxi-Tech Solutions has designed and patented a novel method and process for the production of ozone in-situ.

Aug 2025
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

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

Boulder, United States
$3.0M
raised

Biota is a data science company that offers wastewater testing, monitoring and tracking of sources of pollutants, and analytical solutions.

Jul 2026
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Forestport, United States
$2.6M
raised

Nirvana Water Sciences develops life-enhancing beverages by combining pure water, innovations of science, and care for the environment.

Jul 2023
Seed

Founder Contacts

41,000+ verified contacts

Milan, Italy
$1.2M
raised

VisioNing is a cleantech company that offers proprietary technology solutions for treatment and valorization of agro-industrial wastewater.

Jul 2025
Seed

Founder Contacts

41,000+ verified contacts

Stuttgart, Germany
$892K
raised

hydrop systems develops smart solutions to measure and manage household water consumption.

Jul 2026
Seed

Founder Contacts

41,000+ verified contacts

Toronto, Canada
$1.9M
raised

RainStick is a recirculating shower that saves 80% energy and 80% water.

Jul 2024
Seed

Founder Contacts

41,000+ verified contacts

Zürich, Switzerland
$2.2M
raised

BottlePlus is a reusable water bottle brand that focuses on sustainable eco-friendly materials for manufacturing water bottles.

Jul 2024
Seed

Founder Contacts

41,000+ verified contacts

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