Nowadays, the environment of the company in which it operates is highly variable and extremely dynamic, requiring a well-thought organization of the manager, and it is important that companies have good quality human resources and qualified and professional staff, and managers. It is precisely the management of the company that takes care of all changes in the environment and its main task is recognising change and adaptation in the shortest possible time at the lowest cost. The basis for the resistance of company to external and internal changes and successful business is in a properly set organisational structure of the company itself. Therefore, one of the main tasks in the management function of organizing is the selection of the right organisational structure, as it establishes the work of all employees involved in the creation and creation of the final product or service. The organisation of a company's business itself depends on the type of company, its size, the subject of the business and the like. This paper will first define the organisation, the function of organisation and the organisational structure conceptually and theoretically. The second part of the paper will present and explain the managerial function of organizing on the example of the hotel Aminess Maestral as well as the organisational structure of the company Laguna Novigrad and the hotel Aminess Maestral.