Maciej specializes in commercial law, civil law and civil procedure law. He has extensive experience in providing comprehensive legal services to commercial companies, including issues related to anti-money laundering and financing of terrorism. He advises companies, whose shares have been admitted to trading on the Warsaw Stock Exchange and introduced to trading in the alternative trading system (NewConnect). He also advises entities on fulfilling information obligations under the MAR Regulation. His fields of expertise include sports law. Maciej provides support on international and national transfers and advises sports associations, clubs, players and managers.