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Walis

Certified biological wastewater treatment plants for households, manufactured in Lithuania

Šiauliai, LithuaniaFounded 2021walis.ltWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-28

About Walis

Walis makes certified biological treatment plants for domestic wastewater, with a fibreglass body, a smart controller that reports faults to service technicians in real time, and nitrogen and phosphorus removal. The company states a 99.5% treatment efficiency and a 20-year warranty. It also offers design, installation and maintenance as a service package.

Its customers are owners of residential buildings, including those in municipalities that offer compensation for installing a treatment plant where sewer connection is not possible. The website also offers instalment purchase financing for the equipment.

Walis was founded in 2021 and is based in Šiauliai, Lithuania. Its plants are stated to be produced in Lithuania.

Product: Certified biological domestic wastewater treatment plants with a smart fault-reporting controller, plus design, installation and maintenance services.

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Website technologies

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  • Apache
  • Google Universal Analytics
  • Google reCAPTCHA
  • WordPress
  • jQuery