Object of research: state regulation of the telecommunications sector. Purpose: substantiation of theoretical principles and development of practical recommendations for improving the mechanisms of state regulation of the telecommunications sector of Ukraine. Methods: hypothetical-deductive method of dissertation research methodology formation, deductive proof of research hypothesis, structural-functional analysis, a number of comparative methods, statistical method, prognostic method, theoretical-conceptual method. Results: solved the scientific problem of developing theoretical foundations and substantiation of scientific and applied recommendations for improving the mechanisms of state regulation of the telecommunications sector. Novelty: developed and scientifically substantiated model of domestic telecommunications development, based on which the forecast of domestic telecommunications needs in investment resources using an integrated analysis of trends in investment activity and potential demand in telecommunications, identified factors influencing the development of telecommunications, and areas expansion of investment activity; conceptual approaches to the application of foreign experience of state regulation of telecommunications investment activities in market reform and regulation, innovative development of the telecommunications sector have been improved, and methods for the effective functioning of the telecommunications services market have been identified; tools and forms of state regulation by implementing the internalization of the telecommunications sector, as innovative processes and the main directions of improving the management of telecommunications potential, which act as a holistic information and economic system aimed at achieving the optimal combination of long-term and current goals active implementation of new competitive services on the convergence of communication and informatization; received further development: methodological approaches to improving the legal mechanism of state regulation of telecommunications services markets, based on the optimal combination of legal, economic and organizational and management methods of regulation, which include new types of telecommunications services provided using the latest technologies, through: licensing, certification , distribution of frequency assignments, tax benefits or restrictions; scheme of normative-legal processes of demonopolization taking place in the branch and influences methods of telecommunication regulation through certain main directions of optimal tariff regulation, process-taking demonopolization and possibilities of non-discriminatory access to the public network of alternative operators. Implemented in the activities of: Koziivka district by the state administration of Ternopil region, Chabanivka village council of Fastiv district of Kyiv region, National University of Civil Defence of Ukraine. Areas of use: public administration, local government and self-government, public organizations.