The article deals with the issues of global integration of the accumulated arrays of information models of capital construction objects into a common space of information models, created according to the principles of organization and big data processing. The problems of geoinformation binding of information models, organization of means and places of their storage, methods of processing and providing access to interested subjects are considered. It is proposed to create a common space of information models according to a distributed decentralized scheme with direct interaction between state and commercial participants, both in terms of business integration, and in terms of joint data management and implementation of replication technologies.