The monograph discusses the theoretical and methodological foundations and experience of modeling economic systems related to the synthesis of existing and development of new models based on the method of analysis, optimization and management of integration business processes, the model of which is presented in the form of a set of interconnected business processes (portfolio of business processes) .The monograph will be useful to scientists, business process modeling specialists, engineer-economists, undergraduates, doctoral students and senior students of economic and economic-mathematical specialties of universities.