Retail Computer Solutions (RCS) are one of the UK's leading Epos systems software development companies. RCS provide a one stop shop for all your retail epos system requirements. RCS Epos Solutions include epos and stock control, e-commerce integration, customer accounts, mobile computing, weigh scale intergartion (Avery & Bizerba), CRM & Customer Loyalty.A selection of our retail epos markets include farm shops, deli's, garden centres, supermarkets, FMCG's, departments stores, fashion retailers, food halls, gift shops, visitor attractions, angling retailers and non food stores. Retail Epos, Epos Systems, Epos Software, Epos Solutions.