Derbyshire tights manufacturer Pretty Polly has seen a growth in sales in recent years.
More than 90% of Pretty Polly's products are designed, developed and manufactured at its factory in Bridge Foot, Belper.
The firm has also become a favourite of female singers, including Rihanna, Jessie J, Una Foden of The Saturdays, X-Factor girl group Little Mix and model Paris Hilton.
Sales boss Eugene Culhane said: "Our international market has absolutely exploded. We have developed fantastic business with Macy's, Bloomingdale's and Urban Outfitters and a lot of celebrities are picking up on our products, including Jessie J and Paris Hilton."