Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,706 pages of information and 232,164 images on early companies, their products and the people who designed and built them.
1913 Four of the Riley brothers started a new business focused on manufacturing entire automobiles. The Riley Motor Manufacturing Company was located near Percy Riley's Riley Engine Co in Aldbourne Road. The company offered the 10 and the 12/18. The first new model, the 17/30, was introduced at the London Motor Show that year.