A powerful marketing instrument for buyers’ involvement, client data collecting and analytics, advertising campaigns launch. The cloud-based loyalty program provides flexibility when client reward rules change. It delivers cost reduction and client identification in all aspects, customer retention, essential client database increase. A cloud-based program aimed to increase clients’ loyalty is versatile, can be used by companies from different business spheres: retail trade, shops, fuel retail, HoReCa, beauty shops, cinemas, vendors, individual solutions. There is one database on clients and purchases: questionnaires, website, mobile application, and others. Determination of targeted audience together with consumer features. Client groups formation on common purchasing characteristics. Launch based on advertising campaigns analytical data.