In Focus:
Water solutions and expertise from Finland

Solutions for challenging water treatment

Our solution

WatMan Engineering is a Finnish manufacturer of customized water treatment systems. Since being established, our primary focus has been to design, manufacture and supply innovative water treatment equipment of the highest quality to customers who demand more. Our team’s experience helps us design the most suitable process for each purpose. We manufacture and test each piece of equipment individually to constantly maintain high quality and to ensure customer satisfaction. Reverse osmosis, desalination, demineralization, ultrafiltration – whichever water treatment is required – we know how to do it.

Benefit for the customer

  • Tailored solutions for each purpose.
  • High energy efficiency.
  • Plug-and-play containerized solutions available

Competitive advantage

We design processes and equipment for a purpose. We combine everything from process design to production and commissioning under one roof to make sure project schedules and quality are under our control. We use only high-quality European- and US-made components.

Customer segment

Industry, farming (irrigation), marine.


WatMan Engineering Ltd Oy is located in Lahti, Finland. Established in 1995, the company employs 15 people. It is part of the Vestum Group, listed on Nasdaq Stockholm. The company has obtained ISO 9001 and ISO 14001 certification.


Over 50 seawater desalination units delivered to 24 cruise vessels since 2008. Customers include Meyer Werft, Meyer Turku, Royal Caribbean International and Norwegian Cruise Line. Other references include Wärtsilä and Teollisuuden Voima.


Juha Lintujärvi
+358 400 846 114