Churchill's operates in Porto, the storied fortified wine region of northern Portugal's Duriense valley. The winery draws on the indigenous grapes of the Douro—Touriga Nacional, Tinta Roriz, Tinto Cao, and others—to craft both Port and dry table wines. The Estates Grande Reserva Douro blends five of these varieties into a structured red; the Vintage Port and Tawny Port showcase the region's traditional fortification methods, layering complexity through oxidative aging and time in wood. Wine Enthusiast and Decanter have rated the winery's core releases, with the Estates Grande Reserva, Vintage Port, and Tawny Port each scoring in the low 90s. The house balances the weight and dark fruit character typical of Douro reds with the elegant, aged profiles that define classic Port.