Henry Poole & Co

In 1806 James Poole, a modest lad from Shropshire, opened a linen drapers shop near Brunswick Square and by the Battle of Waterloo in 1815 he was making military tunics. [The business moved to Regent Street in 1822 and later Old Burlington Street; on James Poole's death in 1846 his son Henry inherited the company.] Henry Poole's reputation grew as he went on to serve the future Emperor Napoleon and Queen Victoria. However, it was King Edward VII who created a social hub around Henry Poole's Mayfair premises and established him as a leader of fashion. [By the early 1900s] Henry Poole was the largest tailoring establishment of its type in the world, employing 300 tailors and 14 cutters. [The firm moved to 15 Savile Row in 1982.]

Henry Poole & Co's own words, unedited, quoted from henrypoole.com.