Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,686 pages of information and 232,152 images on early companies, their products and the people who designed and built them.
Premier Motor Co of Birmingham
1906 Produced four and six cylinder cars made in Belgium and sold under the Premier name. 
Premo was a motorcycle produced in 1909, by the Premier Motor Co. This was the name used by the company for the two-stroke Rex model they sold.
They used the Premo name until late in 1909, when an injunction was taken out against them by the Premier Cycle Co of Coventry. They then became PMC. There was never any connection between the two firms.
1906 Premier Motor Co of Cornwall Street, Birmingham.
1906 Premier Motor Co of Aston Road.
1912 The company turned to selling Rex-JAP models with V-twin JAP engines and Rex frames traded only through their own retail outlet. Rex-JAP were motorcycles produced from 1912 to 1916, by the Rex Motor Manufacturing Co of Coventry, and sold by the Premier Motor Co of Birmingham. They produced a range of singles and V-twins using JAP engines in their existing frames. To begin with the machines had two-speeds and belt drive, but by 1914 there were only V-twin engines, but with three speeds and all-chain drive. They continued until 1916, but were not revived after the war.
1906-1907 Produced an automobile of their own design
1912-1913 Produced the Motorette automobile
1913-1917 For a list of the models and prices see the 1917 Red Book
1913 Patent applications. Alfred Pilkington and Premier Motor Co., Ltd : Foot-boards or rests used or in connection with motor-cycles and the like. 26,099. A. Pilkington and Premier Motor Co., Ltd.; Spring suspension side-cars and the like.