This paper theoretically elaborates the concepts of management, functions management, organizing and organizational structure. Management as a process can be perceived through the analysis of managerial functions. These are: planning, organizing, human resources management, guidance and controlling. The most important part of every organization is its organizational structure. Every organization has its own structure, in other words, its system of internal connections and relations. The functioning of some organization is mostly defined by the surroundings which it is part of. The factors that form an organization have an influence on shaping of an organizational structure. The factors that are shaping an organization are divided into internal and external factors. The more favorable those factors are, the more efficiently the goals of that organization get achieved. The practical part of this paper presents the general data about the leading Croatian financial agency in the area of providing financial and electronic services. This work analyzes and describes the internal organizational structure of that financial agency. The special emphasis with analysis of organizational structure was put on department of business network and the regional center in Zagreb. The organization of work and business and the execution of work related tasks in all organizational units is carried out through the management of subordination and coordination. The higher level organizational units managers organize the work, give the guidelines, orders and instructions to the lower level organizational units managers. Fina financial agency follows the global trends, continuously develops new services and contributes to the development of the broader community and society as a whole. The strategical goals of Fina are based on its mission, vision and organizational values. There are three emphasized organizational values which help Fina to achieve its strategical goals. These are: devotion to its clients, proactivity and professionalism.