In a modern business environment, management plays a key role in the successful management and administration of the company. Management represents a set of activities and processes that plan, organize, manage and control the work of the organization with the aim of achieving the set goals and achieving successful business results. The importance and role of business management are indispensable factors for achieving the organisation's competitive advantage, sustainability and growth. The subject of this research is to present management functions through theoretical aspects, and then present them through the prism of an interview on the example of a selected company, which in this case is Brina d.o.o. Literature which has an expert aspect to meet all the criteria for the preparation of the final paper was used for the preparation of the paper and the presentation of theoretical research bases. However, in addition to the theoretical basis in the paper, the purpose of the paper was to show how management functions in Brina d.o.o. are manifested, and the results are obtained through the interview method. The research problem of the work indicates how rooted management functions are in the management business of Brina d.o.o. in order to understand the level of management of the company. In the part of the paper related to research, the structure of Brina d.o.o. is presented, where all development schemes of the company are presented, from the very beginning to the present day, and management structures are described together with positions within the company. In addition to the presentation of the company's activities and development cycle, through in-depth interviews with company representatives, related to the performance of management functions, results pertaining to the existence and reallocation of management functions in the business structure of Brina d.o.o. Thereafter, a discussion on the results of the survey was presented and recommendations for practice were provided.