Charles Heidsieck is the smallest of the Grandes Marques champagne Houses. Based in the Reims region of Champagne, it is one of the best-known producers for both vintage and non-vintage cuvée. It has been part of EPI group since 2011. The house was founded in 1851 by the French champagne maker Charles Camille Heidsieck, who became known as Champagne Charlie.