Based on the literature, the author presents the development of the corporate controlling function, its basic tasks, and the development of the role of the controller. Based on the results of the literature, a questionnaire survey was conducted among Hungarian controllers and managers. Based on the answers of the respondents, the author gives a
...n idea of the situation of the work of controller. According to the results of the descriptive, non-representative, guiding research, the respondents think about the ideal role of controlling similarly to those described in the literature, but it differs from those experienced during work. Controllers mainly take the role of reporters in the organizations of respondents, the roles of decision supporter navigators and advanced business partners are less frequent. Respondents tend to agree that the future may bring changes to controller tasks, and their role will be strengthened.