Financial sustainability of corporations is an important multifactorial phenomenon that determines the competitiveness, solvency and capacity of the corporation to innovation and expanded reproduction. In connection with the complex and multipartite financial stability of corporations, the many writers who studied in this field, have different conceptual approaches to the interpretation of this financial category. The financial stability of corporations depends on external and internal factors, priority of which are: competition in the corporate segment, as effective demand for the products, factors and tendencies of development of the financial market.