The study considers accounting and auditing as active participants in the regional economic system and its transformation processes. The place and role of the accounting system in the economy at the micro, meso, macro and mega levels are analyzed, with an emphasis on the regional level. Comparative characteristics of accounting for different spheres of economic activity – banking, budgetary, commercial, non-commercial – have been performed. An organizational and information audit model has been developed that is applicable to any audit objects generated in the financial accounting system. The problems of developing the accounting and auditing system are outlined using the example of the economy of the Donetsk People's Republic before and after joining the Russian Federation, their integration into the all-Russian system, and ways to solve organizational, methodological, and personnel problems are proposed.
