In the context of the implementation of the socio-economic model of sustainable development, the state is intended to form a medium in which the economy can safely function. In this process, the state is a macroeconomic subject, acting as a manufacturer of quality public services, the owner of the capital, an effective manager in finding decisions, the Institute for the Development of Society and Business Interaction Tools. The practice of interaction between the state and business has developed many instruments of its implementation, one of which is a public-private partnership (PPP), an institutionally enshrined system of business environment involving into the creation and reconstruction of socially significant objects that promotes the investment process and the efficiency of public resources. To involve a business unit in PPP, to implement its financing mechanism, assess its impact on the growth of equity capital, to display in the financial statements require an effective institutional platform for the execution of PPP projects, which is based on its concept. As part of this article, the author conducted a study according to the scheme: disclosure of the concept of PPP, the overall characteristics of the institutional platform for the implementation of PPP in the Republic of Moldova (PM), the content analysis of the legislative framework for the implementation of PPP projects in innovation.