Umowa zlecenie or umowa o pracę in Poland: which is safer for business? business in Poland, JDG, Sole proprietorship in Poland, ZUS 16 Sep. 2026 3 min read (0) Umowa zlecenie or umowa o pracę in Poland: which is safer for business? Umowa zlecenie or umowa o pracę in Poland is a question almost every entrepreneur faces. The correct ... Read more