Kerisac was founded in 1920 by Edmond Guillet and is located in the town of Guenrouët, in the Loire-Atlantique département (Brittany). The Guillet family combines tradition and modern technology to produce high quality cider. In 2001, they obtained the certification "Produced in Brittany" dedicated to promote the region of Brittany, its know-how and quality products.
The Guillet family uses only the best apples to achieve the perfect balance of sweet and sour tastes. The apples are harvested between September and December, and then left to ripen for 3 weeks. At this stage, the apples are pressed, filtered and bottled. The cider is then stored and maintained at a low temperature.