The article is devoted to the study of the issue of accounting and analytical supportfor management decision-making. The article defines the importance of the formation of effectivesystems of accounting, management accounting and analysis, as well as the interrelationshipsbetween them, which will contribute to increasing the effectiveness of accounting and analyticalsupport for management decision-making. Some problems of regulatory and legal regulation ofaccounting support of management decisions are identified, including those related to the formationof the accounting policy of the enterprise. Peculiarities of management accounting in the system ofaccounting and analytical support for management decision-making have been studied. Including, theelements of accounting and management accounting, information needs of users at each stage ofmanagement decision-making are considered. The formation of a system of financial analysis at theenterprise as a basis for analytical support of management decision-making is considered. Theclassification of financial analysis, the sequence of financial analysis and the principles of financialanalysis are given.