The article is devoted to the problems of formation and development of sectoral corporate clusters and the infrastructure security of their formation and development in the system of the national economy. The role of the innovation infrastructure in the development of the national economy was determined, and a model was proposed for transferring the innovative product from the developer to the real economy. The main components of the production and infrastructure security of business entities when deploying an innovative business development model were outlined.
In scientific work the peculiarities of innovation processes in the activity of high-tech companies are determined. The functional and managerial components of ensuring the security of development of high-tech companies are determined on the basis of establishing centers of responsibility for the support of innovative projects. The model of support of sustainable innovation development is developed and the algorithm of formation of the structure of business of high-tech companies with the purpose of strengthening of organizational security of out-of-date development is offered. The recommendations on harmonization of innovation development and security of commercial activity for high-tech companies are given.