Mommessin produces wines from Bourgogne, drawing on the region's classical varieties and terroirs. The winery's Saint-Amour bottlings—Les Péchers and Les Grandes Mises—are built from Gamay, the bright, mineral-driven grape of Beaujolais's northern crus. Both have earned recognition from Wine Enthusiast, Wine Spectator, and Decanter. The winery also makes Corton, a Pinot Noir from the prestigious Côte de Beaune appellation, where the variety achieves structure and depth. Across its range, Mommessin works within Burgundy's established framework of small-parcel viticulture and traditional winemaking, focusing on the distinctive character each vineyard site expresses.