Part of Vickers
1911 Vickers formed the Vickers Ltd (Aviation Department).
1928 Vickers acquired Supermarine to extend the aircraft made by Vickers Aviation to include flying boats[1]
1930 Vickers continued to be the sole proprietor of Vickers Aviation[2]
1933 Constructors of aircraft, component parts and accessories. Works: Weybridge Works, Weybridge. Head Office: Vickers House, 6 Broadway, Westminster, London S.W.1.[3]
1933 Advertisement in Who's Who in British Aviation.
1939 At government request, all of Vickers aviation interests were transferred to Vickers-Armstrongs