Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 137,400 pages of information and 221,179 images on early companies, their products and the people who designed and built them.
1901 Company established - presumably this was Harvey Du Cros (Company)
1913 Agents for Panhard cars.
1914 Motor car agents for Panhard-Levassor, motor car manufacturers, engineers and repairers, taxicab proprietors. Sole selling representatives for the famous Panhard cars in England. Employees 3,000. 
1920 Issued catalogue of their commercial vehicles. 
1920 Acquired by S. T. D. Motors Ltd, to expand body building capacity adjacent to their Talbot works, something which was necessary due to the inadequate capacity of their Darracq company subsidiary.
1920s The company produced goods and charabanc chassis.
1926 A fast, low frame six-cylinder bus was launched.
Bournemouth Corporation bought 15 Corporation model buses. These had front entrances and one man operating.
1927 Said to own the company operating the "Yellow taxi-cab" .