International Motor Sports (IMS) is a wholly owned subsidiary of the Motor Sports Association (MSA). The MSA is the national governing body of UK motor sport, responsible for the sport's governance and administration, as well as controlling the technical and sporting rules across a variety of disciplines.
IMS is responsible for the organisation and promotion of some of Britain's flagship motor sport properties, including the British Grand Prix in F1, Dayinsure Wales Rally GB in the World Rally Championship and the entire Prestone MSA British Rally Championship.