There is a need for knowledge and preparation in the environment that is constantly changing and influencing the company's business. For this reason, planning is very important not only to run an existing company but, also to open a new one. This paper analyzes the function of management planning using the example of a restaurant with Swiss specialties that is planned to open. Through eight planning stages goals are being set without which it is impossible to plan, the awareness of the surrounding environment is established and so is the environment within the company. In order for a business to operate, it is very important to be aware of its environment, both external and internal. It can very quickly lead to problems if not attended properly. Planning facilitates work and business to such an extent as it enables high readiness for uncertain situations, changes and opportunities because potential scenarios have been developed and alternatives have already been found. Evaluation of alternatives allows accurate assessment of every idea and the rejection of bad and expensive alternatives, which seemed cost-effective. Budgeting is a supplement to help you see how much the set goals have been achieved. As an addition to the analysis the survey was added to this paper, which revealed that respondents were familiar with Swiss specialties and would come to such a catering facility and that the business venture could be successful. By analyzing the planning function and the survey, the potential success of the business idea was determined, and planning was an inevitable part to prevent and alleviate the difficulties that will certainly be found on the path to achieving the goals.