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Water Purification Startups

Updated October 2026

Companies in the water purification sector developing innovative solutions and technologies.

Explore 142 recently funded water purification companies with verified founder contact information and fundraising data.

Total Companies
142
Total Funding
$378.5M
Avg Funding
$15.1M
Global Reach
8
countries

Top Cities for Water Purification

Oberlin
Zürich
Los Angeles
Houston
Ecublens
Bengtsfors

Recently Funded Companies

Export
Oberlin, United States

CoreWater Technologies has developed proprietary technology that effectively adsorbs forever chemicals (PFAS) from water.

$4.9M raised
Feb 2025

Founder Contacts

41,000+ verified contacts

Zürich, Switzerland

CellX Biosolutions is the Sustainable treatment of chemical waste.

$1.9M raised
Feb 2025

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

Sylmar Group invests in legacy businesses in the water industry and explores transformative technologies.

$130.0M raised
Feb 2026

Founder Contacts

41,000+ verified contacts

Houston, United States

USA Water Holdings provides water and wastewater operations, infrastructure development, and maintenance services.

$10.0M raised
Feb 2024

Founder Contacts

41,000+ verified contacts

Ecublens, Switzerland

BNovate Technologies develops automated water monitoring solutions, specializing in microbiological analysis through flow cytometry.

$4.2M raised
Feb 2025

Founder Contacts

41,000+ verified contacts

Bengtsfors, Sweden

NSS Water specializes in innovative water purification technology for high-tech sectors such as semiconductors.

$794K raised
Feb 2026

Founder Contacts

41,000+ verified contacts

New York, United States

Blueland is a eco-friendly refillable cleaning supply retailer.

$20.0M raised
Feb 2022

Founder Contacts

41,000+ verified contacts

Austin, United States

Antelope Water Management partners invests in sustainable water solutions.

$470K raised
Feb 2022

Founder Contacts

41,000+ verified contacts

Calgary, Canada

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

$3.2M raised
Aug 2025

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

Hydropleap provides advanced environmental-friendly technological water treatment solutions.

$4.8M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Miami, United States

HOPE Hydration is a water-tech & media startup transforming global hydration.

$20.0M raised
Jul 2025

Founder Contacts

41,000+ verified contacts

Toronto, Canada

Xatomsdevelops novel photocatalysts to create efficient and sustainable water treatment.

$2.0M raised
Jun 2025

Founder Contacts

41,000+ verified contacts

Sherbrooke, Canada

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

$1.7M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Oxford, United Kingdom

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

$6.0M raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Houston, United States

AtmoSpark slashes building energy costs with breakthrough moisture capture technology

$300K raised
Mar 2025

Founder Contacts

41,000+ verified contacts

Emeryville, United States

Sepion is an advanced membrane company offering a platform suite of highly-tunable nanoscale membranes for multiple industrial markets.

Feb 2025

Founder Contacts

41,000+ verified contacts

Miami, United States

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

$250K raised
Feb 2025

Founder Contacts

41,000+ verified contacts

San Diego, United States

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

$1.0M raised
Jan 2025

Founder Contacts

41,000+ verified contacts

Los Angeles, United States

OceanWell produces fresh water from the deep sea to help solve the water crisis.

$11.0M raised
Nov 2024

Founder Contacts

41,000+ verified contacts

Cosenza, Italy

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

$384K raised
Oct 2024

Founder Contacts

41,000+ verified contacts

Lausanne, Switzerland

BE WTR makes a variety of hygienic water taps for offices and other businesses.

$45.6M raised
Oct 2024

Founder Contacts

41,000+ verified contacts

Vancouver, Canada

Ionomr makes Aemion‚Ñ¢ & Pemion‚Ñ¢, next-gen ion-exchange materials for breakthrough clean technology applications involving electrochemistry.

Oct 2024

Founder Contacts

41,000+ verified contacts

Woburn, United States

ZwitterCo provides membrane solutions for the treatment of highly-impaired wastewater.

$58.4M raised
Jul 2024

Founder Contacts

41,000+ verified contacts

Irvine, United States

ZenWTR is a vapor distilled alkaline water bottled in recyclable ocean-bound plastic.

$24.2M raised
Dec 2023

Founder Contacts

41,000+ verified contacts

Thiais, France

Adionics provides ionic solutions for salt separations, lithium, and iodide extractions.

$27.4M raised
Nov 2023

Founder Contacts

41,000+ verified contacts

Showing 76 to 100 of 142 companies

About the Water Purification Startup Ecosystem

The water purification sector is an active area of startup innovation and venture capital investment. Companies in this space are developing new technologies, platforms, and services that address evolving market needs and create new business opportunities.

Funding Trends in Water Purification

Water Purification companies raise capital across various funding stages, from early seed rounds to late-stage growth financing. Investor interest in this sector is driven by the size of the addressable market, the pace of technology adoption, and the potential for scalable business models.

Growth Outlook

The water purification sector is expected to continue evolving as technology advances, market dynamics shift, and new opportunities emerge. Companies that demonstrate strong product-market fit, efficient growth, and clear competitive advantages are well-positioned to attract continued investment.

Water Purification Funding Breakdown

Here is how funding is distributed among the 142 water purification companies tracked in the VCBacked database.

Average Funding
$15.1M
Total Funding Tracked
$378.5M
Countries Represented
8

Distribution by Funding Stage

Other25 companies

Top Cities for Water Purification

1.Los Angeles
2 companies$141.0M
2.Houston
2 companies$10.3M
3.Miami
2 companies$20.3M
4.Oberlin
1 companies$4.9M
5.Zürich
1 companies$1.9M

Related Industries

Companies in the water purification sector often overlap with or complement businesses in adjacent industries. Exploring related verticals can help you discover additional companies, identify partnership opportunities, and understand the broader competitive landscape.

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