Theoretical and applied provisions for the construction and use of administrative systems in enterprise management, taking into account Euro-integration processes have been developed. Thus administration is considered as a kind of management activity, on the basis of documentation, office work, information support and formalization of management procedures provides purposeful influence of a management subsystem on a management technology managed at all stages. The generalized structure of administration systems in enterprise management is given. The theory and methodology have been developed, organizational and methodical provisions of accounting and analysis of economic activity of enterprises with the definition of priority stimulator objects, updated composition of functions, tasks and modification of principles in accordance with the conditions of investment and innovation development with the use of modern methodological support of the Due Diligence model have been developed.