This paper is focused on administrative processes in manufacturing companies. It discusses about that the company should focus on its administrative processes and not just on manufacturing processes. In these processes a big potential is hidden. The article deals the concept of lean enterprise and defines all of its areas. Further it also shows the current status of administrative processes and the waste that occurs. Furthermore a proposal of workflow with the administrative processes is shown here with using methods of industrial engineering. Finally the two examples from practice are shown with using methods of industrial engineering in the administrative processes