ESCP Business School (French: École Supérieure de Commerce de Paris) is a French business school and grande école founded in Paris and based across Europe with campuses in Paris, Berlin, London, Madrid, Turin, and Warsaw. It is consistently ranked among the best business schools in Europe. In France, ESCP is one of the most prestigious and selective grandes écoles. It is known as one of the trois Parisiennes (three Parisians), together with HEC Paris and ESSEC. Established in 1819, it is considered the world's oldest business school.