They possess over 200 hectares of agricultural land. Their aim is to produce high-quality wines, with a distinct personality resulting from a special emphasis on their natural and authentic character.
In the XIXth century its two main estates – Quinta de Paços (Barcelos) and Casa do Capitão-Mor (Monção) – had already gained international prestige, attested by the most ancient prizes known in the region of the Minho: in the USA Centennial Exhibition (1876), and at the Exhibition of Portuguese Wines in Berlin (1888).