With the development of informatization and digitalization, the joint use of IT infrastructure is increasingly carried out in order to expand innovative activities. Digital platforms (DP) are becoming a common mechanism of interaction. More and more small and medium-sized enterprises are developing innovative platforms and using the intermediary role of these innovations in various market segments and sectors. Global digitalization of economic activity makes the requirement for joint use of information resources and information infrastructure by market entities one of the key conditions for the development of innovative activities.