The objective of this paper is to conduct multifaceted analysis of the profitability of public companies operating on the Warsaw Stock Exchange with regard to the sectors of activity. This paper is of a theoretical and empirical nature. The study group were public companies listed on the Warsaw Stock Exchange, in the following sectors: construction, information technology, electrical engineering industry, food industry, media, wholesale and retail. The study used information from the annual reports of public
companies (especially financial statements) which are published on the websites of individual companies. The analysis of data disclosed by public companies included in the research group was a research method used in the present study.