This paper will show how the banking system works and how banks are working to improve their services, and thus the quality of services in order to gain satisfied customers. In the banking world, it is increasingly difficult to achieve competition based on new services, price and distribution channels. Quality has become a basic factor of economic activity and an important factor in the operation of successful banks. The task of every successful bank is to understand the needs of clients and know how to meet their expectations. The problem of the research is to see what the quality of the banking service is in and whether it meets the needs of clients. The methods I will use in this paper are quality indicators. The purpose of the research is to better measure the quality of services that banks now provide to as many service users as possible. The goal is to include the future expectations of service users. This test helps the bank to obtain information on the quality of services offered by the competition. The conclusion of the research is that if banks want to improve their business, they must pay more attention to noticing and improving their qualities.