EN
In the article the Author formulated the diagnosis of the financial-economic condition of companies listed on Warsaw Stock Exchange. As the research tool the simple correspondence analysis with doubling was used. This method was discribed in detail in the methodological part of the article. The weaknesses and strengths of these firms were underlined. The diagnosis was assigned on the base of profitability, activity, debt, liquidity ratios and quarterly rate of return. The statistical data concerned the companies from Construction sector in the fourth quarter 2008.