This diploma thesis deals with loyalty and tools which could deepen the loyalty of customers. The thesis provides theoretical background of the theme and outlines essence of the customer loyalty for consequent proposition of tools for its creation. At the beginning of this thesis the conception of loyalty is supported by basic facts of marketing theory, e.g. marketing communication, marketing mix and brand. The thesis continues with essence of loyalty, aspects of loyalty, its drivers, possibilities of satisfaction and loyalty meassurement and effects of loyalty with focus on banking sector. Further this part defines the banking sector, specifics of banking product and developement trends in banking. Partially the influence of current econom...