Cosner Gallery and its newly opened 1130 Sherbrooke Ouest location extend the gallery’s longstanding focus on Canadian art into a more central and high-profile part of downtown Montreal. Their spaces serve as both refined viewing rooms and entry points into a broader art market network. While the gallery’s scope includes international painters, its bread and butter remains 20th-century Canadian masters—names like Marc-Aurèle Fortin, Jean Paul Lemieux, and Jean-Paul Riopelle figure prominently. Alongside its exhibition program, Cosner offers collection management services that include sales, acquisitions, and evaluations, positioning itself as a trusted intermediary between collectors and the often opaque world of historical art. With its emphasis on expert guidance and market literacy, the gallery operates as much like a consultancy as a retail space—part showroom, part brokerage for Canadian art’s legacy.