Due to increasing popularity and sales, in 1991 the company changed its name to "The Original Ugg Co." In 1999, Whitworth sold the company name and the British UGG trade mark to Deckers Outdoor Corporation, renaming his company the Celtic Sheepskin Company.
Proizvajalec čevljev »Hide & Feet« v Newqayu, Cornwall je začel s proizvodnjo Ugg škornjev leta 1973, in leta 1990 Nick Whitworth in njegova žena Kath, sta kupila podjetje in registrirala »UGG« kot blagovno znamko v Veliki Britaniji.