The diploma thesis is focused on influence of the economic environment to the business value. The goal of the thesis is a corporate valuation of the entity to 31.12.2009 in recent time of unstable market and financial crisic and how is the business value changeable depenging on business cycle. At the beginning summary of theoretical data concerning business cycle theories is introduced, followed by a description of business cycle and GDP of the Czech Republic from 1996 to 2010. Key part of the thesis is the corporate valuation according to Discounted Cash Flow (DCF) analysis. The last chapter is based on comparison of the business value year after