Marcolino Sébo operates in Alentejano, Portugal's expansive southern wine region, known for its warm climate and bold red varieties. The winery produces wines across both traditional Portuguese grapes and international varieties. Its QP. Touriga Nacional and QP. Chardonnay each earned an average prestige rating of 87.0 from Wine Enthusiast and Wine Spectator. The Visconde de Borba Reserva, a blend of Aragonez, Trincadeira, Alicante Bouschet, and Tinta Caiada, achieved a 86.7 average rating from the same critics. Touriga Nacional, the flagship Portuguese variety, brings structure and dark fruit to the portfolio, while the Chardonnay offers a counterpoint in white wine expression. The Reserva blend showcases the region's capacity for complexity through its four-varietal composition, drawing on both indigenous and established grapes suited to Alentejano's terroir.