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Water Purification Startups

Updated August 2026

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

Explore 138 recently funded water purification companies with verified founder contact information and fundraising data.

Total Companies
138
Total Funding
$714.8M
Avg Funding
$28.6M
Global Reach
12
countries

Top Cities for Water Purification

Houston
Donostia-san Sebastián
San Francisco
Puidoux
Clearwater
Rhenen

Recently Funded Companies

Export
Houston, United States

Blackbuck Resources Designs, Builds, and Operates Water Infrastructure and Provides Services for the oil and gas industry.

Jul 2022

Founder Contacts

41,000+ verified contacts

Donostia-san Sebastián, Spain

Surphase is an engineering company that provides monitoring services for sustainable water treatment.

$2.7M raised
Jul 2024

Founder Contacts

41,000+ verified contacts

San Francisco, United States

Upwell Water provides capital to ensure a sustainable water future.

$100.0M raised
Jul 2024

Founder Contacts

41,000+ verified contacts

Puidoux, Switzerland

Droople is a cleantech company that focuses on preserving water using smart tools and information technology.

$1.4M raised
Jun 2022

Founder Contacts

41,000+ verified contacts

Clearwater, United States

Water es Vida Technologies is a manufacturer and distributor of oxygen-enriched Kaqun water wellness products.

$3.4M raised
Jun 2026

Founder Contacts

41,000+ verified contacts

Rhenen, The Netherlands

SolarDew provides a brand-new method for generating pure drinking water from nearly any source of tainted, contaminated, or salty water.

$930K raised
Jun 2026

Founder Contacts

41,000+ verified contacts

Nice, France

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

$2.9M raised
Jun 2025

Founder Contacts

41,000+ verified contacts

Salem, United States

AquaBack Technologies develops self-cleaning, compact, and lightweight water purification devices and systems.

$110.0M raised
Jun 2023

Founder Contacts

41,000+ verified contacts

São Paulo, Brazil

Aegea is a private sector sanitation company in Brazil.

$327.8M raised
Jun 2026

Founder Contacts

41,000+ verified contacts

Nechanice, Czech Republic

Green-Future is an eco-friendly technology that turns plastic waste into new raw materials on an industry level.

$4.3M raised
Jun 2024

Founder Contacts

41,000+ verified contacts

Milan, Italy

Aquanexa is an industrial utility group that specializes in management, and digitalization of water networks, and associated assets.

$9.3M raised
Jun 2025

Founder Contacts

41,000+ verified contacts

Sherman, United States

Gridwater is a professional commercial and residential wastewater service provider.

$1.0M raised
Jun 2026

Founder Contacts

41,000+ verified contacts

Furlong, United States

Boomerang Water sanitizes, fills, and caps glass and aluminum bottles of water on-site for immediate sale and consumption.

$11.6M raised
Jun 2023

Founder Contacts

41,000+ verified contacts

Göteborg, Sweden

Atium is developing a new generation of water treatment technologies for heavy metal removal.

$640K raised
Jun 2024

Founder Contacts

41,000+ verified contacts

Lexington, United States

PowerTech Water is a wastewater solution company that offers a chemical-free water treatment platform.

$2.8M raised
Jun 2023

Founder Contacts

41,000+ verified contacts

San Diego, United States

Climatetech, watertech, circular economy

Jun 2025

Founder Contacts

41,000+ verified contacts

Boston, United States

At Harmony Desalting our mission and promise is to secure water, always for people all around the world.

Jun 2025

Founder Contacts

41,000+ verified contacts

Tarragona, Spain

JOLT is supplying next-generation activated electrodes & protective coating solutions for hydrogen & water treatment electrolysis

$6.5M raised
Jun 2023

Founder Contacts

41,000+ verified contacts

Manchester, United Kingdom

Molymem improves the functionality of filtering membranes used in separation operations, such as the elimination of industrial pollutants.

May 2023

Founder Contacts

41,000+ verified contacts

Osterreicher, Austria

Waterdrop encourage to drink more water with its flavored cubes dissolving in water to enrich it with fruit & plant extracts.

$116.9M raised
May 2026

Founder Contacts

41,000+ verified contacts

Edinburgh, United Kingdom

IBAIA's multi-sensing technology detects contaminants by combining photonics and electrochemical sensors.

$5.1M raised
May 2024

Founder Contacts

41,000+ verified contacts

Vancouver, Canada

Acuva’s purification system is a novel water treatment concept

$3.0M raised
May 2022

Founder Contacts

41,000+ verified contacts

Woburn, United States

Gradiant provides advanced water treatment solutions to tackle critical water challenges for various industries.

May 2026

Founder Contacts

41,000+ verified contacts

Montréal, Canada

Create your own healthy and customized water at home

$1.1M raised
May 2023

Founder Contacts

41,000+ verified contacts

Parma, Italy

Iride Acque studies new industrial wastewater purification processes.It is possible to purify wastewater without incurring exorbitant costs.

$3.5M raised
May 2026

Founder Contacts

41,000+ verified contacts

Showing 26 to 50 of 138 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 138 water purification companies tracked in the VCBacked database.

Average Funding
$28.6M
Total Funding Tracked
$714.8M
Countries Represented
12

Distribution by Funding Stage

Other25 companies

Top Cities for Water Purification

1.Houston
1 companiesUndisclosed
2.Donostia-san Sebastián
1 companies$2.7M
3.San Francisco
1 companies$100.0M
4.Puidoux
1 companies$1.4M
5.Clearwater
1 companies$3.4M

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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138 Water Purification Startups (2026) — Recently Funded — Page 2 | VCBacked