Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,143 pages of information and 233,681 images on early companies, their products and the people who designed and built them.
Hooper and Co of Piccadilly, London coachbuilders, were also makers of aeroplanes in WWI
1806 Company established.
1895 Incorporated as a limited company.
1914 Coach and motor-coach builders. Specialities: motor-coach building and repairs; designed and built motor bodies for many members of the European and British royalty; builders of State carriages, dress carriages, plain carriages. 
c1939 they became part of Daimler
1946 at 54 St. James Street.
1991 Following the collapse of the Reliant Group, acquired Metrocab from the receivers.