Jas Hennessy & Co., or more simply
Hennessy, is a
cognac house with headquarters in
Cognac,
France. Jas Hennessy & Co. sells about 50 million bottles a year worldwide, or more than 40 percent of the world’s cognac, making it the world's largest cognac producer. It is owned by Moët Hennessy, which is in turn owned by
LVMH (66%) and
Diageo (34%).