Ensuring a high level of validity and accuracy of measures taken to regulate socio-economic development of the region is possible on the basis of the application of marketing technologies, which determines the need for marketing information-analytical tools to justify various actions of state institutions. In methodological terms, we rely on analytical and theoretical developments of specialists who have investigated the role of marketing in regional management, as well as marketing tools in all processes of management of socio-economic system. The hypothesis consists in the assumption of the growth of the quality of public administration by expanding the information base of the systems of management of socio-economic processes on the basis of regularly conducted marketing research, differentiated by key areas for the region. The purpose of the research is to substantiate the peculiarities of the use of marketing methods and the process of conducting research in the framework of information support of public administration and expansion of the information base the systems of management socio-economic processes of the region. Objectives of the research: clarification of the levels of implementation of state marketing; determination of structural and functional blocks in intra-regional policy, as well as justification of the direction of marketing research within the framework of public administration; proposal of a mechanism for control of satisfaction assessments in the implementation of regional programs. As scientific novelty define the author's substantiation of the key directions of marketing research in public administration and filling the mechanism of control of satisfaction with their implementation. © 2025 Elsevier B.V., All rights reserved.