Rex released their first disks in September 1933, with the initial release bearing a catalogue number of 8000 or 8001.
The company was taken over by Decca Records in March 1937.
The label was discontinued in February 1948. In spite of War-time limitations, they had released approximately 2,250 disks.
The label name reappeared in 1965 as part of the Decca group.