The objective of this bachelor thesis was to describe the principle of loyalty programs, to think about their value for customers and their impact on the customer's loyalty. The Bonus program, loyalty program of Česká spořitelna, is described in more detail as an example. The first chapter describes loyalty in general, the second one says how to achieve it. There are examples of several loyalty programs principles in the third chapter. Last two chapters contain information about Česká spořitelna and detailed analysis of the Bonus program.Cílem této bakalářské práce bylo popsat princip věrnostních programů, posoudit, jak jsou přijímány zákazníky a zda přispívají k budování loajality k retailerovi. Podrobněji tato práce analyzuje Bonus progra...