Altano

Altano is owned by Symington Family Estates Vinhos S.A., headquartered in Portugal. No. The ultimate owner of Altano, Symington Family Estates Vinhos S.A., is headquartered in Portugal, not in the United States.

Symington Family Estates is a leading producer of premium port and Portuguese wines, owning several prestigious houses including Graham's, Dow's, and Warre's. It is one of the largest vineyard owners in the Douro Valley and a pioneer in sustainable winemaking.