The aim of the research was to analyze and reach a conclusion on how the actual state and the means of achieving the functions of management in Elektroprivreda Čapljina consistent with theoretical assumptions. Using questionnaires and interview we wanted to determine ways of exercising certain functions of management of the company. The goal was to get answers to questions about how thoroughly planned and carried out operations control set of plans, how much attention is given to creating an efficient organizational structure, how much is invested in the advancement and development of the employees and how the ways of keeping and motivating employees is relevant to business performance. The theoretical part od thesis analyzes basic concepts essential for understanding the concept covered by the present work. Within the theoretical part analyzes the five basic functions of management, based on which is designed questionnaire required for empirical research. Empirical research was conducted in all three sectors of Elektroprivreda Čapljina (production, distribution, supply). The questionnaire was completed by 28 employees in management positions (directors, heads of departments and their assistants). First we conducted analysis of the responses to each survey question individually and then attended for testing the set research hypotheses. The research hypotheses were tested using the statistical package SPSS (Statistical analysis software package), where they are used to test the selected questions from the questionnaire. The results showed that the proposed hypotheses for planning and control can be accepted as true, while for the hypotheses of the functions of organization, personnel management and leadership can not be accepted as true. The contribution of this work results in a better understanding of the role of the functions of management of the company and the importance of their interdependence in achieving business goals and success. Based on questionnaires and interviews we get a realistic picture of the commitment of managers exercising particular functions, their focus on the motivation of employees in the exercise of certain functions and the state of the management company in its entirety. Management of the Company remains to improve the implementation of certain elements of the functions of management, with the aim of efficient functioning of enterprises and increasing success.