The dissertation deals with the issue of school work in commercial environment. The author clarifies principal terms, defines the legislative frame of a school work and brings examples from history. He mentions experiences of cooperation between academies of art and commercial subjects in Czech republic and Slovakia and also in abroad. In the practical part of the dissertation, based upon own design product and experience, the author explains what influence a commercial subject has on a school work. The design product in the dissertation is a company mascot for Škoda Auto. The author brings closer the development of the mascot from various perspectives and presents the final design. Chapters about author experience from a study stay at Academy of Arts, Architecture and Design in Prague (Czech republic) are to be found in the dissertation too. It also summarizes briefly successful cooperation projects of Institute of Industrial Design and various commercial subjects.