Ailsa Bay distillery was built to meet needs for malt whisky for blended whiskies. In May 2010 the group bought four brands from C&C Group, including Tullamore D.E.W., for €300m. In September they sold the three minor brands (Irish Mist, Carolans, Frangelico) to Gruppo Campari for €129m, so in effect, Grants paid €171m for the Tullamore D.E.W. brand and its production facilities. In September 2014, William Grant & Sons, bought Drambuie llqueur for an estimated price of about £100 million. In March 2020, the company made the decision to switch production at three of its distilleries to create approximately five million litres of ethanol over an eight-week period to produce hand sanitiser during the Covid-19 pandemic. In that same month, William Grant & Sons closed all of its visitor centres indefinitely due to the same pandemic. In June 2020, the company made the decision to reopen some of its visitor centres with increased hygiene measures. In September 2020, Fistful of Bourbon the company first bourbon was launched in the American market. In February 2022, William Grant & Sons launched its first low-alcoholic spirits Atopia. Distilleries Distilleries owned by William Grant & Sons: Ailsa Bay distillery Balvenie distillery Convalmore distillery is a former whisky distillery in Dufftown, closing operations in 1985. William Grant & Sons bought the distillery in 1992, for the warehouses, to increase warehousing capacity for Glenfiddich. The Convalmore distillery produced whisky for other brands. The name Convalmore however is used for selected whiskies, although the distillery never produced a whisky under their own name. The brand name is owned by Diageo. Girvan grain distillery Glenfiddich distillery Kininvie distillery Ladyburn distillery closed in 1975 Tullamore distillery (Ireland) Brands The company's leading single malt Scotch brand is Glenfiddich, the best-selling single malt Scotch in the world as of 2016. Roughly 1.22 million cases of Glenfiddich were sold in 2017. Another Grant single malt Scotch whisky also made the top ten list of best-selling Scotch whiskies in 2017: The Balvenie (#6). Another very popular blended whisky is Monkey Shoulder. In 2021 the company's leading blended whisky, Grant's, was the number three in the world's best-selling Scotch whiskies behind Johnnie Walker and Ballantine’s. William Grant & Sons brands include: Brandy: Three Barrels, The Raynal Bourbon: Fistful of Bourbon Canadian whisky: Gibson's Finest Gin: Hendrick's, Verano Irish whiskey: Tullamore D.E.W. Liqueur: Drambuie, Solerno Low-alcoholic spirit: Atopia Mixed drinks: Taboo Rum: Sailor Jerry, Old