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Water Startups

Updated August 2026

Companies in the water sector developing innovative solutions and technologies.

Explore 366 recently funded water companies with verified founder contact information and fundraising data.

Total Companies
366
Total Funding
$457.6M
Avg Funding
$18.3M
Global Reach
9
countries

Top Cities for Water

Houston
Singapore
Las Vegas
Brooklyn
Oslo
Geneva

Recently Funded Companies

Export
Houston, United States

Katz Water Technologies purifies water using streamlined simplified equipment that utilizes waste energy.

$750K raised
Aug 2021

Founder Contacts

41,000+ verified contacts

Singapore, Singapore

Hydroinformatics Institute is a water-as-a-service company that combines computing for water resources with AI to support decision-making.

Aug 2021

Founder Contacts

41,000+ verified contacts

Houston, United States

HEQ Deepwater is an energy company that focused on the acquisition of the deepwater gulf.

$400.0M raised
Aug 2021

Founder Contacts

41,000+ verified contacts

Las Vegas, United States

NXT Water produces purified water for sustainability and functional health.

$1.6M raised
Aug 2021

Founder Contacts

41,000+ verified contacts

Brooklyn, United States

Aerflo is a portable soda maker that offers transportable method of carbonating sparkling water.

$10.0M raised
Aug 2024

Founder Contacts

41,000+ verified contacts

Oslo, Norway

Ocean Oasis is a water company that develops a new and sustainable way of producing fresh water using wave power.

$6.7M raised
Aug 2024

Founder Contacts

41,000+ verified contacts

Geneva, Switzerland

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

$1.2M raised
Aug 2025

Founder Contacts

41,000+ verified contacts

Riga, Latvia

Empyrio provides an innovative on-site solution for sustainable sewage sludge utilization for small and medium waste water treatment plants.

Aug 2025

Founder Contacts

41,000+ verified contacts

Brooklyn, United States

ChemFinity Technologies is a chemical company that offers critical metal recovery, water purification, and gas separation services.

Aug 2025

Founder Contacts

41,000+ verified contacts

Grand Junction, United States

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

$3.7M raised
Aug 2024

Founder Contacts

41,000+ verified contacts

San Antonio, United States

Streamline Innovations focuses on innovative and sustainable gas and water treatment solutions.

Aug 2025

Founder Contacts

41,000+ verified contacts

Las Vegas, United States

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

$1.1M raised
Aug 2025

Founder Contacts

41,000+ verified contacts

Houston, United States

CryoDesalination develops a desalination process that will improve people's lives around the world by providing access to clean water.

$256K raised
Aug 2021

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

Founder Contacts

41,000+ verified contacts

Tacoma, United States

Cleantech / ClimateTech company Ending PFAS 'Forever Chemical' pollution through wastewater treatment and sensing technologies.

$600K raised
Aug 2025

Founder Contacts

41,000+ verified contacts

Boulder, United States

AquaRealTime provides early warning and mitigation of harmful algal blooms and other water contamination using IOT sensors and analytics.

$175K raised
Aug 2024

Founder Contacts

41,000+ verified contacts

Sedgefield, United Kingdom

G2O is a UK-based graphene innovation and application company whose patented technology is aimed at tackling the world’s water shortage.

$345K raised
Aug 2021

Founder Contacts

41,000+ verified contacts

New York, United States

AdvanceH20 is an online platform that offers monitoring & data informatics platforms for water treatment.

$256K raised
Aug 2021

Founder Contacts

41,000+ verified contacts

Olive Branch, United States

Glanris makes a sustainable, low cost hybrid filtration media that removes organics as well as metals from water.

$1.8M raised
Aug 2022

Founder Contacts

41,000+ verified contacts

Auckland, New Zealand

Hydroxsys has been identified by an expert panel as one of the world's most innovative cleantech companies.

$54K raised
Aug 2023

Founder Contacts

41,000+ verified contacts

Houston, United States

Energy Water Solutions helps to reducing produced and flowback water disposal costs using evaporative disposal technology.

$1.9M raised
Jul 2024

Founder Contacts

41,000+ verified contacts

Vic, Spain

Createch360 is a developer of an operational platform designed to improve energy efficiency and chemical dosage.

$3.7M raised
Jul 2022

Founder Contacts

41,000+ verified contacts

Berlin, Germany

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

$2.7M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Morrisville, United States

NALA Membranes provides environmental services with an intention to bring new reverse osmosis membranes.

$10.8M raised
Jul 2026

Founder Contacts

41,000+ verified contacts

Austin, United States

Infinity Water Solutions provides water management solutions, including recycling, reuse, and disposal, to the oil and gas industry.

$10.0M raised
Jul 2024

Founder Contacts

41,000+ verified contacts

Showing 26 to 50 of 366 companies

About the Water Startup Ecosystem

The water 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

Water 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 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 Funding Breakdown

Here is how funding is distributed among the 366 water companies tracked in the VCBacked database.

Average Funding
$18.3M
Total Funding Tracked
$457.6M
Countries Represented
9

Distribution by Funding Stage

Other25 companies

Top Cities for Water

1.Houston
4 companies$402.9M
2.Las Vegas
2 companies$2.7M
3.Brooklyn
2 companies$10.0M
4.Singapore
1 companiesUndisclosed
5.Oslo
1 companies$6.7M

Related Industries

Companies in the water 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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