SG Sp. z o.o.  carried out its activity in the area of hiring and leasing real estate (mainly commercial space). The company also managed modern ETC shopping centers located in Swarzędz and Gdańsk. Each center consists of an Intermarché supermarket and a commercial complex including shops, cafes, restaurants, and various services. ETC has been carrying out its activity in Poland since 1994.ETC buildings cover the area of more than 12 ha, and its commercial space amounts to 30,000 sqm.