 Concordia was re-established as "SG Wilhelmsruh" and resumed play in the Amateurliga Berlin (II) in the 1947–48 season.The next year the club was renamed "FC Concordia Wilhelmsruh" and played two more seasons in the Amateurliga as a mid-table side.The burgeoning Cold War that would divide the country into East and West Germany led to the formation of separate football leagues in the Soviet-occupied areas.