RMG is the is the holding company responsible for a range of media rights management businesses involving the following racecourses (the shareholders): Aintree, Ayr, Bangor, Beverley, Carlisle, Cartmel, Catterick Bridge, Cheltenham, Chester, Epsom Downs, Exeter, Goodwood, Hamilton Park, Haydock Park, Huntingdon, Kelso, Kempton Park, Ludlow, Market Rasen, Musselburgh, Newbury, Newmarket, Nottingham, Perth, Pontefract, Redcar, Salisbury, Sandown Park, Thirsk, Warwick, Wetherby, Wincanton and York.

The business interests include: Racing UK (satellite and cable television distribution of Racing UK racing to residential and commercial customers in the UK and Ireland); Racing UK Online; GBI Racing (a JV between Racing UK and At The Races which distributes British and Irish racing pictures for betting overseas); Turf TV (a JV with Ascot Racecourse and Timeweave which provides UK racing pictures and data to UK and Irish bookmakers); and Racing Plus newspaper.