Modelling of an organization as a complex system

Organizations around the world executes by people and/or other types of resources thousands even millions operations per day, depending on its size. Managing of the organization requires to get to know almost each its element. The best way for identification of these elements is to create a model of the organization. Usually organizations reject to create such model because there is no standard approach how to create it and procedure requires too many information about the organization. In this paper we would like to show that is not so difficult to create model of the organization and to specify, based on our experience, minimal number of information which we use to create model of the organization as a complex system.