Practical products and tools for water marketers that actually work.
Watertech Investor Masterlist 2026
The Watertech Investor Masterlist 2026 is a curated database of more than 250 investors who actively fund innovations in water, wastewater, environmental treatment and sustainability.
This list has been specifically compiled for founders and commercial leaders in the water sector who need fast access to investors that actually deploy capital in this industry. Every entry is manually curated to ensure relevance, accuracy and direct fundraising value.
What is included
• 250+ targeted investors focused on Watertech, CleanTech and Environmental Innovation
• Segmented by investor type: VC, PE, Corporate and Impact
• Investment focus and typical ticket sizes
• Key decision makers for outreach
• Clean, simple and ready to use spreadsheet format
Who it is for
• Early stage and growth stage Watertech companies
• Founders preparing for Pre Seed, Seed or Series A
• Business development and fundraising teams
• Accelerators and advisors in the water sector
Why it matters
Fundraising in Watertech is slow because the right investors are hard to find. This list gives you an immediate shortcut by showing you who is active, what they invest in and how to approach them.
Format
Excel spreadsheet, available for instant download after purchase.
Disclaimer
The data in this list is based on publicly available information and internal market knowledge. No guarantee is given for completeness or accuracy. The list is intended for general guidance in the fundraising process only.
Practical products for Water Technology Companies
Built by people who understand the water industry from the inside, Interius Solutions combines deep market knowledge with hands-on marketing expertise.
We help companies sharpen their positioning, strengthen their visibility, and ensure their technology gets the recognition it deserves.
We stand for clear opinions, honest partnerships, and following through on what we promise.
We are bold in our thinking and not afraid to stand out or challenge conventional approaches. We know what we believe in and are willing to voice our opinion when it matters.
We act competently and credibly, always prioritizing honest partnerships, even when honesty is uncomfortable or comes with consequences.
And we stay loyal to our partners by following through on what we promise. We do not leave projects unfinished, and we do not leave people behind.
Once a year, we create a physical calendar featuring powerful images from the world of wastewater treatment. It celebrates the infrastructure and the people behind one of the most essential industries in the world.
The initiative goes beyond the product itself. Proceeds are dedicated to supporting organizations working to improve access to clean water and sanitation.
Over the past years, we have supported initiatives such as Viva Con Agua, Tandia, WeWater, and Sungai Watch in their efforts to create lasting impact.
For us, social responsibility is not an add-on. It is part of how we think, how we operate, and how we contribute to the industry we are part of.
FAQs
Here you’ll find answers to common questions about our products, the purchasing process, and access after checkout.
What happens after purchase?
After completing your purchase, you’ll receive all relevant information via email.
How do I access my purchased product later?
You can access your purchase anytime using the information and access details sent to you via email after completing your order.
Do I receive an invoice?
Yes. An invoice will be generated automatically and sent to you after your purchase.
What payment methods are available?
We offer secure payment via trusted payment providers. Available methods may vary depending on your location.
Who are these products for?
Our products are created for marketing professionals and teams working in the water technology industry.