Symington Family Estates is one of the key producers of fortified wines in the Douro. The company owns famous Port names such as Graham's, Dow's and Warre's, as well as properties such as Quinta do Ataíde.
Dating back to 1670, Warre's is the oldest Port house in existence. After 200 years of family ownership it was acquired by the Symington family in the early 20th century.