The Cott Corporation is a supplier of private label carbonated soft drinks distributing to Canada, the United States, Mexico, the United Kingdom, and Europe.arry Pencer, a clothier from Montreal, Canada, began to import Cott sodas into Quebec, Canada, in 1952. In 1955 Pencer acquired the Canadian rights to the Cott label and established Cott Beverages (Canada) Ltd., to bottle the Cott line of sodas.