This thesis is focused on disadvantaged groups in the labor market, to which persons after imprisonment. The aim of this work is to assess the possibility of integrating these people back into the labor market. Attention is paid to the possibilities of today's prisons while working with inmates before leaving the prison, during their re-socialization. Furthermore this thesis focuses on the subsequent cooperation with other institutions, whose activity is to help these individuals after their release and their subsequent integration back to the labor market.