Aliança produces wines from Bairrada, a region in Portugal's Beiras known for structured reds built on indigenous and international varieties. The winery's portfolio centers on Baga, the region's signature grape, alongside Merlot, Cabernet Sauvignon, and traditional Portuguese cultivars like Touriga Franca, Tinta Roriz, and Tinta Barroca. Quinta das Baceladas Bairrada, a blend of Merlot, Baga, and Cabernet Sauvignon, represents the winery's approach to combining local character with broader appeal. The single-varietal Baga Bairrada showcases the grape's natural structure and aging potential. Foral dos Quatro Ventos draws on a field blend of Touriga Franca, Tinta Roriz, and Tinta Barroca—varieties that define Portugal's traditional wine identity. These wines have been assessed by Wine Spectator, Wine Enthusiast, Wine Advocate, Decanter, and Falstaff.