Urgency of the research. Organizational and economic mechanism plays more and more important role in modern market condition. Its implementation is conditioned on a base of an object and management subject, abandoning freedom of choice of economic decisions after them. Actual scientific researches and issues analysis. The question of determination of essence and structure of mechanism of management, structurisation and forming an organizational and economic mechanism of management of a company have been studied by many domestic and foreign authors like : L. I. Abalkin, I. V. Aleksyeyev, O. I. Volkov, I. O. Halitsa, O. M. Hrebeshkova, M. H. Hreshchak, I. I. Hruznov, M. P. Denysenko, O. K. Dobykina, L. Ye. Dovhan', S. A. Zhdanov, V. I. Zakharchenko, S. V. Kas'yanyuk, O. V. Kendyukhov, N. M. Korsikova of and others. Uninvestigated parts of general matters defining. The study of literary sources, generalization of domestic enterprises’ management experience in modern terms testifies the imperfection of existent mechanisms of effective management of a corporation in the context of its dynamic development. The research objective. Using the functional and target scheme of cooperation of corporation’s functional subsystems, and also a model, methods and organizational and economic instruments of management, our mission is to form an adequate mechanism that provides the increase of corporation’s efficiency due to different sources of an activity’s improvement. The statement of basic materials. The article exposes economic reasons of the self-weighted approach to the construction of an effective organizational and economic mechanism of corporation’s management. An effective corporate management model is built and the basic stages, methods and instruments of organizational and economic mechanism of corporation’s management are analyzed. Conclusions. An effective organizational and economic mechanism of corporation’s management solves the following problems: providing an effective labor; realization an estimation of an efficiency’s level of subdivisions and corporation on the whole; providing an optimal choice of direction of corporation’s perfection; providing the innovative development of corporations.