Mateusz co-operates with Polish and international clients advising mostly on civil law, corporate law, and administrative law. He participates in merger and acquisition projects by preparing due diligence reports and drafting transaction documentation. He also deals with the registration proceedings of commercial companies and partnerships. Since June 2014, Mateusz is a legal adviser at the Circuit Chamber of Legal Advisers in Warsaw. He graduated with distinction from the Department of Law and Administration at Warsaw University in 2010. Mateusz also participated in the English and European Law course managed by the British Law Centre.