This paper describes the controlling function as a modern tool for improving control within a hotel company, and how hotel „Hilton Imperial Dubrovnik“ uses controlling. It was also the first hotel in Dubrovnik to be built to a high standard, modeled on the best practices of Europe at that time. It is part of the US international hotel group Hilton Worldwide, one of the largest and fastest growing hotel groups, and one of the top hotels in the world and a leader in the global hotel market. It currently has more than 4,115 hotels, 680,000 rooms in its portfolio and is spread across 93 countries. The introduction of controlling can be done in two ways. The first way is to join new jobs and tasks to the existing services, which is the case with the Imperial Hotel. The second way is to introduce an independent organized service, which depends on the state of development of the company and the degree of resistance or acceptance of new business tasks of employees. Controlling at the Hilton Hotel is guided by a management-oriented concept, which means that the partial system is within the guidance system. The task of a management-oriented concept is to direct activities. The value system is based on the vision, mission and goals of the company, and controlling is charged with encouraging and professional support in the process of defining these categories. Hilton Imperial is described through for segments: planning, quality control, information system and human potentials. Hilton has a clearly defined vision, mission and goals at the Hilton Group level. Planning is a continuous activity aimed at defining the goals and possible ways in which these goals can be achieved. In this activity various reports are made as the basis of which decisions are made. Despite the hotel's good information system, which uses a variety of application solutions that connect guests and employees that affect each other simpler and faster business operations at the hotel there is no automated control system at the Hilton, the responsible person must review and compare the actual situation with the plan. The hotel has a well-developed human resources department, which is essential for quality business.