EN
The aim of the paper is to analyse benefits and negative aspects of issuing shares by Polish companies and trading them on the stock market before Poland's entry to the EU. Moreover, the authoress analyses the opportunities and threats which appeared upon integration of Poland's securities market with the uniform structure of the European market. She also presents the results of the survey on expected benefits resulting from achieving the status of a public company and inconvenience connected with this. The authoress analyses crucial consequences of public issue of shares and their introduction to the stock market starting with the period preceding Poland's entry to the EU and then examines the effects of the European integration. The conducted analysis allows her to conclude that Poland's entry to the EU created better prospects of development for Polish companies financed through the issue of securities and their trading within the single market of securities in the EU.