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Water Purification Startups

Updated July 2026

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

Explore 135 recently funded water purification companies with verified founder contact information and fundraising data.

Total Companies
135
Total Funding
$248.9M
Avg Funding
$10.0M
Global Reach
10
countries

Top Cities for Water Purification

Singapore
Miami
Toronto
Sherbrooke
Oxford
Houston

Recently Funded Companies

Export
Singapore, Singapore

Hydropleap provides advanced environmental-friendly technological water treatment solutions.

$4.8M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Miami, United States

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

$20.0M raised
Jul 2025

Founder Contacts

30,000+ verified contacts

Toronto, Canada

Xatomsdevelops novel photocatalysts to create efficient and sustainable water treatment.

$2.0M raised
Jun 2025

Founder Contacts

30,000+ verified contacts

Sherbrooke, Canada

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

$1.7M raised
Mar 2025

Founder Contacts

30,000+ 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

30,000+ verified contacts

Houston, United States

AtmoSpark slashes building energy costs with breakthrough moisture capture technology

$300K raised
Mar 2025

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ 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

30,000+ verified contacts

Cosenza, Italy

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

$384K raised
Oct 2024

Founder Contacts

30,000+ 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

30,000+ 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

30,000+ verified contacts

Woburn, United States

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

$58.4M raised
Jul 2024

Founder Contacts

30,000+ 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

30,000+ verified contacts

Thiais, France

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

$27.4M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Hadley, United States

Aclarity is a VC-backed cleantech startup developing and selling water treatment systems to clean the world's water and wastewater.

$15.9M raised
Nov 2023

Founder Contacts

30,000+ verified contacts

Sherbrooke, Canada

Wave-Powered Sustainable Desalination Solutions for Coastal Communities and Industries facing Water Scarcity

$9.3M raised
Sep 2023

Founder Contacts

30,000+ verified contacts

Bristol, United Kingdom

Matter. is a company that provide solutions for capturing, harvesting, and recycling microplastics from wastewater.

$10.0M raised
Aug 2023

Founder Contacts

30,000+ verified contacts

Somerville, United States

Onvector develops non-chemical water treatment technologies that utilizes plasma.

$2.5M raised
Jul 2023

Founder Contacts

30,000+ verified contacts

Santiago, Chile

Remote Waters designs and manufactures water treatment plants for communities and new ultrafiltration filters for water reuse

$90K raised
Jan 2024

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Drip manufactures water which has naturally filtered and enriched with minerals from deep of England's South Downs.

$5.0M raised
Jan 2025

Founder Contacts

30,000+ verified contacts

Tallinn, Estonia

Spacedrip is the creator of wastewater treatment robots that turn wastewater into pristine water.

Jan 2026

Founder Contacts

30,000+ verified contacts

Trondheim, Norway

CrayoNano is a semiconductor company, manufacturer of hybrid material based UV-C LEDs for disinfection.

$1.6M raised
Dec 2021

Founder Contacts

30,000+ verified contacts

Golden, United States

Silver Bullet provides a cost-effective and environmentally responsible water treatment solutions.

$1.5M raised
Dec 2022

Founder Contacts

30,000+ verified contacts

Showing 76 to 100 of 135 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 135 water purification companies tracked in the VCBacked database.

Average Funding
$10.0M
Total Funding Tracked
$248.9M
Countries Represented
10

Distribution by Funding Stage

Other25 companies

Top Cities for Water Purification

1.Miami
2 companies$20.3M
2.Sherbrooke
2 companies$11.0M
3.Singapore
1 companies$4.8M
4.Toronto
1 companies$2.0M
5.Oxford
1 companies$6.0M

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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135 Water Purification Startups (2026) — Recently Funded Companies, Investors & Rounds | VCBacked