During the last years, there has been visible growth in the professional activity of women in Polish enterprises. In the Polish market, specialists in several given areas are needed, and there are more and more highly educated and qualified women entering the workforce. In the article, the main focus is on showing the differences in the employment possibilities of men and women in Polish enterprises. The differences were examined between women and men working in enterprises of the same size, and of different sizes. Age, education and origin of respondents were analyzed. The analyzes allow to judge further the economic development of Polish enterprises from the point of view of gender hiring practices.