Management is a process aimed at achieving goals through certain strategies and resources that the company has at its disposal with the indispensable factor of human labor. The key activities that define management itself as a process and all events related to it and the relationship of managers in business in general are called management functions. Management functions are indispensable in the business of any company that wants to operate successfully, and they include: planning, organizing, staffing, directing and controlling. Management functions as extremely organized business processes allow the manager to influence the business as a whole, from the very beginning to the final process of launching a certain output on the market. Management functions are actively used in the business of all business entities, including banks, which include a very wide range of products and services. It is important to emphasize that each company in business is unique as well as its environment that affects its business. Thus, the functions of management, as the main processes in business, will not be strictly applicable to a particular "management style" but will be flexible. This work presents all management functions and their execution in the business of OTP Bank. Proper application of management functions, with available resources and the work of the shell of power, it is inevitable that the achievement of the set goals of the company will be achieved.