The companies that function in the context of the knowledge-based economy, more and more often combine two crucial aspects while creating paths of professional development for the employees. The companies stimulate adults' educational activity for the employees' personal fulfilment, but also for their own business goals. Thus, the aim of this article is to draw attention to the need for continuous professional development of the employees in Polish companies. An important issue is also emphasizing the relation between the functioning of the managers and the human resources policy of the company within the scope of training and personnel development. The basis for the theoretical deliberations is the description of the companies’ activity in learning economy and the changes on the training market. The part dealing with the results analysis presents the issue of the employees' educational activity and its evaluation concerning the training and educational systems in organizations. The discussion in this article is summed up by the practical postulates which are based on the research results and which facilitate the analysed employees' development processes.