The core activity of Hydroswiss SA is the development and implementation of solutions for water treatment and purification, including: wastewater treatment (Waste Water), drinking water treatment (Drink Water), desalination (Desalination), industrial water treatment (Industrial Water), treatment of process water in the paper industry (Paper Mills Process), leachate treatment (Leachate Treatment), fishery water treatment (Fishery Water), electrodialysis (Electrodialysis), and sanitary water treatment (Sanitized Water). The company also offers solutions for energy generation from waste and biomass, including: bio-oil production (Bio-oil), energy generation from waste (Waste To Energy), and energy generation from biomass (Sludge To Energy). Furthermore, Hydroswiss SA also offers solutions for wastewater treatment and energy generation from LNG (Liquefied Natural Gas).