In the paper, the concept of informationbase (IB) is described. The IB is a top layer of the information system (IS). The IB layer uses information systems database and existing application programs to provide a structured set of reports and graphs, directly and permanently available to the user. The informationbase described in the article acts as an intelligent and very agile information manager. At appropriate times, it activates predefined options for report generation, supplies the reports with parameters, stores generated information into a well-organized database and manages the authorization of information retrieval.