Mercer Wine Estates Acquires Four Brands from Woodinville’s Avallé, Completing Vine-to-Bottle Integration in Columbia Valley

Prosser-based multigenerational grower formalizes longstanding grape supply relationship by absorbing Matthews, Tenor, Jaine, and Single Barrel along with key winemaking and executive talent Mercer Wine Estates, a multigenerational family-owned winegrower based in Prosser, Washington, has acquired four premium wine brands from Woodinville-based Avallé. The deal, which closed on March 10, 2026, brings the Matthews, Tenor, […]