RDP is the largest supplier of EpoS systems to the independent convenience retail sector in the UK. We have more than 3,700 sites, which together turn over more than £3.3bn/year in FMCG products. Our MediaMaster estate contains more than 1,420 sites, and continues to grow fast. Crucially, we see every transaction that goes through every store, so we can measure the ROI of each campaign, whilst also comparing it to a set of control stores.