The World’s Most Awarded Blended Scotch Whisky. Founded in 1846 by John Dewar, John Dewar & Sons Ltd has grown from a small wine and spirits merchant shop in Perth, Scotland, to become a global brand. Dewar’s blends up to 40 of Scotlands finest single-malt and grain whiskies to create Dewars White Label. Each is hand-picked to create this full, round whisky. Dewar’s started this process one hundred years ago with its first master blender. Its how Dewar’s made it then. Its how they make it now.