This article is considered method of estimation of company’s sustainability in building sector. It presents results of research interconnection between type of company’s financial sustainability and profitability.

In this article the need to increase the equity of commercial banks in Ukraine and its ability to increase at the expense of hybrid instruments, taking into account the world experience the use of hybrid instruments to improve the capitalization of banks.

The article is devoted to research of problems of improvement of the system of relative indexes of financial results. The methodical approach to analysis of the state of financial effectiveness from kind of economic activities of the industrial enterprises have been offered.

The authors take the problem of forming the optimal enterprise capital structure as the element of financial security strategy, analyze the main factors that influence on the owned and debt capital correlation, generalize the methods of optimization.