In these days, organizations such as companies have to adapt to rapid environmental change in business in various way (divisional organization, SCM, SOA, outsourcing, etc.), but the way of current adaptation to the environmental changes does not work well. We propose a support system that is able to support in decision making of adaptive transformation in its own organizational structure based on collaboration among the autonomous resources (human, material, money, information). We define a set of the autonomous resources as an agent, and develop the support system in changing business environment, and evaluate its effectiveness. In this research, we develop a model that can describe a shift of organizations among centralized and decentralized structures, and simulate the shift in organizations by a multi-agent model, then discuss the results of simulation with respect to the effectiveness of our support system.
