Русско-англо-русский юридический словарь

A law firm is a business entity formed by one or more lawyers to engage in the practice of law. The primary service rendered by a law firm is to advise clients (individuals or corporations) about their legal rights and responsibilities, and to represent clients in civil or criminal cases, business transactions, and other matters in which legal advice and other assistance are sought. (Wikipedia)

I am a qualified attorney in Italy and I regularly advise clients on matters of international investment law, international arbitration and public international law. (Paolo Vargiu — University of Leicester)