Läckeby Water Group AB, through its subsidiaries, provides construction services to water treatment and biogas production industries internationally. The company designs and builds treatment plants for the treatment of wastewater, drinking water, and sludge, as well as plants for biogas production and gas treatment.

The company also manufactures products for water treatment and biogas production industries. Its products include drum screens, heat exchangers, grit washers, decanters, shaftless screw presses, piston presses, shaftless screw conveyors, classifiers, gravity filters/pressure filters, spirals, biorotors, and receiving units.