The article focuses on the issues related to the networking in the platform development of ecosystems based on the analysis of the experimental transformation of network structures in governance following the principles of the new systemic approach. The problem of networking is setting on the basis of platforms and varieties of the organizational structures according to the type of governance. The platform basis of the network structures development in governance has been rationalized from the methodological perspective and exemplified by such kinds of networks as distribution, franchise and outsourcing. The network structures are characterized by efficient performance and appeal for the potential participants willing to be integrated, which explains their expansion and popularity. The digitalization gives new opportunities to the companies which make for the use of the innovative forms of production, consumption and exchange via digital cooperation. New digital structures eliminate barriers between the industries, create potential for cross-functional products and service development. The results of the networking in the platform development of ecosystems confirm the experimental nature of the transformation in the network structures in governance, which makes the ground for further elaboration of the methodology applied for the systemic analysis in the ecosystems’ economy development.