City Service SE, together with its subsidiaries, provides facility management and integrated utility services in Lithuania, Poland, Spain, and Latvia. The company engages in the administration of apartment buildings, dwelling houses, and building management process; maintenance and cleaning of commercial real estate, and public territories and premises; construction and maintenance of gas stations; commercial real estate management and building maintenance; intermediary activities of an electronic money institution; technical maintenance of heating systems; supply chain management; management and renovation of energy resources; and supply of materials. It is also involved in the maintenance and repair of engineering systems; energy management and renovation; technical and energy audit of buildings; site management and cleaning of premises; petrol station maintenance; and debt management. In addition, the company engages in the sale of electricity; asset management; and provides IT, energy saving solution, client service center, debt collection, insurance, accommodation services. City Service SE is headquartered in Vilnius, Lithuania. City Service SE is a subsidiary of UAB Unit Invest.