Osborne produces fortified wines from Andalucía, Spain, drawing on Pedro Ximenez and Muscat of Alexandria—grapes central to the region's sherry tradition. The winery's portfolio centers on dark, sweet expressions: the VORS Sibarita, a blend of Muscat of Alexandria and Pedro Ximenez, stands as its highest-rated release; the Venerable and Oro Pedro Ximènèz Jerez-Xeres-Sherry follow, each built on the rich, raisin-forward character Pedro Ximenez brings to fortified wine. These wines have been assessed by Decanter, Wine Spectator, Wine Enthusiast, and Wine Advocate. Osborne's focus is on the concentrated, oxidative styles that define Andalusian fortified winemaking—wines built for contemplation rather than casual consumption.