Casa de Cello is a family’s winegrower business for 4 generations. The Quinta de Sanjoanne, situated in the middle of "Entre-Douro e Minho” region, near Amarante, was submitted to a total restructure of its vineyards. Nowadays, 14 ha of vineyards are managed, with the following grape varieties - Arinto, Alvarinho, Loureiro, Avesso, Malvasia Fina and Chardonnay, from which Quinta de Sanjoanne and Leiras Mancas wines are made.