Champagne Marie de Moy is a second brand of Champagne GH Martel, a leading brand of the Champagne Group GH Martel. GH Martel is one of the major Champagne producers and the biggest as a family-owned and run business. The 4th generation of the Rapeneau family is already actively involved in the company. The family also owns 200 hectares in Champagne and the oldest cellar of the whole Champagne region situated in Reims and registered as a UNESCO World Heritage Site.