The article outlines the survey that examined the implementation of the transformation of controlling in companies belonging to the global concern. First part describes different phases of implementation within the transformation. In second part are presented the results and knowledge from research to determine the level of implementation of controlling transformation. The survey describes the share based on the defragmentation of tasks and main tasks of controlling transformation, the allocation of the declared time within the individual activity groups and movement of activities from centre of expertise to business partner and vice versa. At the end, article outline that the controlling transformation is a must, but the companies need to review and adapt the transformation plan, only then the transformation could be successful.