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Water Startups

Updated July 2026

Companies in the water sector developing innovative solutions and technologies.

Explore 363 recently funded water companies with verified founder contact information and fundraising data.

Total Companies
363
Total Funding
$75.7M
Avg Funding
$3.0M
Global Reach
7
countries

Top Cities for Water

Calgary
Honolulu
San Diego
Charlottetown
Bend
Houston

Recently Funded Companies

Export
Calgary, Canada

EnviCore is an R&D company that specializes in developing technologies that are essential for improving natural resource development.

Apr 2025

Founder Contacts

30,000+ verified contacts

Honolulu, United States

Elemental is a non-profit investor focused on scaling climate solutions and social impact for all communities.

$577K raised
Apr 2026

Founder Contacts

30,000+ verified contacts

San Diego, United States

Aquacycl provides bioelectrochemical technologies to address global challenges.

Apr 2024

Founder Contacts

30,000+ verified contacts

Charlottetown, Canada

SENTRY is a biological activity and water quality monitoring sensor platform.

Apr 2024

Founder Contacts

30,000+ verified contacts

Bend, United States

Wildfire Water Solutions is a comprehensive community protection solution for fire-prone areas.

$5.9M raised
Apr 2025

Founder Contacts

30,000+ verified contacts

Houston, United States

Enviro Water Minerals provides a full recovery desalination approach to freshwater production.

$118K raised
Apr 2024

Founder Contacts

30,000+ verified contacts

Adirondack, United States

Realm Artesian Water is a premium artesian water brand offering pure, high pH hydration in glass bottles.

$500K raised
Apr 2026

Founder Contacts

30,000+ verified contacts

Newark, United States

Aqua Science develops and manufactures custom reagents.

$256K raised
Apr 2022

Founder Contacts

30,000+ verified contacts

Tempe, United States

Cactus Materials specializes in semiconductor fabrication, space applications, and nano-materials.

$2.8M raised
Apr 2024

Founder Contacts

30,000+ verified contacts

Dublin, Ireland

Robeau delivers a smart water Solution dedicated to water management, water wastages and leaks detection in real time for buildings/cities

Apr 2023

Founder Contacts

30,000+ verified contacts

Denver, United States

AQUAOSO is a climate fintech company providing data, analytics and risk reports to financial institutions.

$100K raised
Apr 2022

Founder Contacts

30,000+ verified contacts

Rohnert Park, United States

Trevi Systems is dedicated to providing energy efficient water purification solutions.

$1.6M raised
Mar 2025

Founder Contacts

30,000+ verified contacts

Daresbury, United Kingdom

Evove uses nanotechnology and additive manufacturing to develop advanced membrane technology to reduce the impact of water filtration.

$6.9M raised
Mar 2023

Founder Contacts

30,000+ verified contacts

Itasca, United States

Lakeside Holding is a logistics company that provides ocean and air freight solutions for e-commerce and manufacturing companies.

$930K raised
Mar 2025

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Analytics for waste water treatment based on real-time automated microscopy

$281K raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Vancouver, Canada

Net Zero Biotechnology Solutions Company with significant Carbon Abatement applications

$243K raised
Mar 2025

Founder Contacts

30,000+ verified contacts

Amherst, United States

Elateq delivers an all-in-one water treatment system that simultaneously removes a wide range of water contaminants.

$200K raised
Mar 2024

Founder Contacts

30,000+ verified contacts

Esbjerg, Denmark

Exowave is a cleantech company with a patented technology to produce fresh water, clean electricity and P2X from ocean wave energy

$2.1M raised
Mar 2022

Founder Contacts

30,000+ verified contacts

Singapore, Singapore

MediSun develops modular desalination and brine recovery systems that convert brine into clean water, minerals, and energy.

$3.0M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

London, United Kingdom

InX Tech is a sustainability company that develops autonomous underwater vehicles powered by Hydrogen to collect data from the ocean.

$319K raised
Mar 2025

Founder Contacts

30,000+ verified contacts

London, United Kingdom

Utilizing AI agents to optimize transportation, energy, safety and assets across smart cities

$400K raised
Mar 2022

Founder Contacts

30,000+ verified contacts

Oulu, Finland

Sensmet developes breaktrough technology for real-time water analytics.

$1.7M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Chicago, United States

Current is a Chicago-based nonprofit hub accelerating water tech innovation and commercialization in the Great Lakes region.

$45.0M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

San Francisco, United States

SkyH2O operates as an industrial-grade water-generating system and independent water provider.

$1.5M raised
Mar 2023

Founder Contacts

30,000+ verified contacts

Los Angeles, United States

NEXT TFX is developing ultra-high-pressure membranes enabling efficient water purification and critical mineral recovery.

$1.3M raised
Mar 2026

Founder Contacts

30,000+ verified contacts

Showing 151 to 175 of 363 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 363 water companies tracked in the VCBacked database.

Average Funding
$3.0M
Total Funding Tracked
$75.7M
Countries Represented
7

Distribution by Funding Stage

Other25 companies

Top Cities for Water

1.London
3 companies$1000K
2.Calgary
1 companiesUndisclosed
3.Honolulu
1 companies$577K
4.San Diego
1 companiesUndisclosed
5.Charlottetown
1 companiesUndisclosed

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