The article considers the processes of globalization in conditions of high turbulence of business, developing today on the basis of digitalization and qualitatively new information exchange, which leads to a significant transformation of social relations. In the field of transformation of business architecture and management technologies, an understanding is formed that the competitive advantages of companies can be best realized through the joint use of common resources, competencies, network effects, and institutional conditions. This circumstance determines the need for economic and managerial research of new objects, which includes the "business ecosystem". The purpose of the study is to substantiate the directions of creating institutional conditions necessary for the establishment and functioning of ecosystems as a new organizational and economic form of doing business in the conditions of ensuring self-preservation of the natural ecosystem. The authors used an institutional approach to the subject of the study, based on the synthesis of economic and organizational theory, systems theory, innovation theory, and the concept of sustainable development. The main results are based on the generalization of historical stages of formation and comparative characteristics of functioning of different models of business ecosystems in banks, determination of value properties of complex banking products.