The amazing evolution of information technologies subdue the contemporary civilization to a challenge in terms of communication methods and processes, as well as for their environment. Although communication methods and processes have an impact on macroeconomic and organizational processes, information modeling procedures appllied in informational processes can be successfully used in institution economic activities modeling. This is just one of the aspects of casual use of information technologies. The main role played by information technologies in business development institution is their primary role – as communication technologies. The purpose and role of information system is to provide senior (and medium) management quick and easy access to information about key factors, decisive in achieving the overall institution goals as well as efficiently and effectively exercising the managerial control. Models that are included in the information system must respond to the strategic decision process characteristics, different from the process appropriate for tactical or operational levels.