Tirelli and partners law firm, usually cooperates  with high-level international law firms in United States (Miami, New York, Los Angeles), Netherlands (Amsterdam), United Kingdom (London) and Latin American countries: Brazil (Sao Paolo, Rio de Janeiro) Argentina (Buenos Aires, Rosario). The law firm is ready to provide a full assistance in all the cross border matters with its departments of international law, international criminal law and family law. The firm assists foreign clients for any legal issues in Italy.
Alexandro Matia Tirelli usually attend to hearings in the main Italian Courts (Rome, Milan, Naples, Turin, Genoa) and had been instructed by italian and international client to deal with cross border jurisdiction cases in Europe and in overseas countries, also attending  in the Courts of Paris, London, Rio de Janeiro , Sao Paolo, Caracas, Bogota and Tokyo, New York , Los Angeles  Mexico City