Intrnal accounting controls, in accounting, relate to the method of keeping the books of account, the manner of recording and handling accounting records. The goal of intrnal accounting controls is to improve the way we work effectively by eliminating business problems. It is of utmost importance for every organization to make quality business decisions, timely and carefully considered, with the quality of information gathered and implementation. We view information as the desired reports of internal control systems within an organization and serve as a basis for making day-to-day operational or strategic decisions. The key management and I or management of an organization are those who, by their wisdom, based on the definitions given above from the standpoint of the organization's internal activities, have the task of increasing the efficiency, or more precisely, the efficiency of their organization's operations. Interviewing Head of Accounting at Vinkoprom d.o.o. it becomes clear that the introduction of an internal accounting control system is important for any business that wants to survive in the market and successfully compete with its competitors. The company realized that if they wanted to move forward, they had to invest in themselves and in those who make up the organization. Therefore, a system like this was exactly what was needed. The system gave an opportunity to see the problems, losses in certain segments, the possibility of change and improvement, as well as an insight into all the good and positive things that are in the company. The research concludes that the implementation of internal accounting controls is important for business decision-making, precisely because of the information and opportunities it provides, and the reward system for employees and the simultaneous implementation of previously set goals.