The company was founded on June 1, 1935, and named after its owner, the American financier Clarence Dillon,[1] who bought Château Haut-Brion in 1935.
In 1993, Prince Robert of Luxembourg, son of the Duchesse de Mouchy and great-grandson of Clarence Dillon, joined the Board of Directors.
Prince Robert of Luxembourg is a member of the Board of Directors of La Cité du Vin Foundation and President of its Cultural Committee.
On November 17, 2015, Domaine Clarence Dillon's scope of activities broadened with the creation of two new companies, both based in its headquarters, a mansion house located in the heart of Paris Golden Triangle.
In October 2018, Prince Robert of Luxembourg and Domaine Clarence Dillon joined Primum Familiae Vini, an international association of 12 of the world's finest wine producing families.