Philip Treacy le Bon, Kate Moss, Christy Turlington and Stella Tennant modelling in return for keeping Treacy's hats, which were all black. In 1994, he opened up his boutique at 69 Elizabeth Street, in Belgravia, London, right beside Isabella Blow's resicence at number 67. Treacy has designed hats for Alexander McQueen (another discovery of Isabella Blow), including his 1999 "white collection" for Givenchy Haute Couture in Paris, for Karl Lagerfeld at Chanel, and for Valentino, Ralph Lauren, Donna Karan, Versace and Rifat Özbek. In January 2000, he became the first milliner for 80 years to be invited to exhibit at the Paris
Keith Treacy his Barnsley's career went bad after needing rehabilitation. Treacy then scored his first Barnsley goal on 22 November 2014, in a 2-1 loss against Chesterfield. However, just six months into his contract, he left Barnsley by mutual consent in January 2015, after he had made 16 appearances. Treacy returned to Ireland and joined struggling Premier Division side Drogheda United midway through the season. His two goals in eight games was not enough to help his side avoid being relegated on the final day of the season, and he left the club to sign for another Premier Division side, St Patrick's