Founded in 1725 by Irishman Thomas Barton, Barton & Guestier (B&G) is Bordeaux’s oldest winehouse, offering a wide portfolio of French AOC and IGP wines from major regions. Now headquartered at Château Magnol in Haut-Médoc, it is a global brand present in over 130 countries, known for its iconic red seal, sustainability, and focus on both quality and accessibility.