Knappogue Castle Whiskey is a renowned producer of premium Irish single malt whiskey, recognized for its high-quality craftsmanship and rich history. The brand was founded with a commitment to preserving the authentic methods of whiskey making, which includes the use of copper pot stills and triple distillation for smoothness.

They offer a variety of expressions, including the widely celebrated 12, 14, and 16-year-old single malts. The distillery is particularly known for its limited-edition offerings, such as the prestigious 1951 vintage and their Cask Finish Series, where their whiskey is aged in exclusive wine casks from esteemed wineries like Chateau Pichon Baron and Marchesi di Barolo​.