Index Systems

Index, formerly Tappmo, is a retail software company that combines secure payments and personalized marketing to transform offline retail. Index provides a semi-integrated payments solution and fully hosted gateway for turnkey EMV, point-to-point encryption (P2PE) and processing flexibility. The company's point-of-sale (POS) integration enables retailers to build an account for every shopper, unify customer profiles across channels, drive opt-in to deliver personalized marketing, and optimize every campaign.