Prada Group’s Pasticceria Marchesi opens in Mayfair London Café Patiscceria Marchesi, a renowned Milan Café chain, has opened its doors in Mayfair, London. Marchesi has built a prestigious name for itself over the year, and is one of Milan’s oldest cafes. The Prada Group, which became one of the establishment’s primary shareholders in 2014, encouraged this recent expansion endeavor.