The contemporary accounting system must respond to the challenges of society, the environment, the needs for development and innovation in various fields, and in order to achieve performance, a good collaboration of the government with the business environment is necessary. The role of public-private partnership (PPP) in the development of the accounting system implies the existence of an adequate institutional platform, including the legal framework, in the field of accounting, aimed at providing users with reliable information about real achievements in ensuring the sustainable development of both business and the state. Financial statements should reflect reliable information, on the participation of business, which assumes most of the risks, and on the participation of the public sector providing social services. Author put forward a hypothesis: the result of effective interaction PPP, based on the mechanisms for allocating grants, the implementation of innovative projects, financing the activities of capital, requires adequate reporting, which entails its improvement.