William Grant & Sons Ltd is an independent, family-owned Scottish company that distills Scotch whisky and other selected categories of spirits. It was established in 1887^[1] by William Grant, and is run by Grant's descendants as of 2018.^[2] It is the largest of the handful of Scotch whisky distillers remaining in family ownership.^[3]

The company is the third largest producer of Scotch whisky (8% market share), shipping about 7.6 million cases per year, with brands including Glenfiddich and Balvenie.^[4][5] The first and second largest, respectively, are Diageo (34.4%), and Pernod Ricard.^[6][7] The company is registered at The Glenfiddich distillery in Dufftown.^[8] The main operational headquarters are located at Strathclyde Business Park, North Lanarkshire. Sales and marketing headquarters are in Richmond, London. The company is a member of the Scotch Whisky Association.^[9][3]