A weaker pound will deliver short-term gain, but businesses fear lack of investment.
Polls closed at 10 p.m. U.K. time, with final results expected at 7 a.m. on Friday.
Jo Malone, Michael Bloomberg, Christopher Bailey, James Dyson pen letters to The Times of London.
British Fashion Council said the bulk of respondents want to stay.
The event at the brand's Regent Street flagship put a spotlight on design and craftsmanship demonstrations.
Falling sales, profits weigh on companies' top earners.
Brand will slash product assortment and shift focus away from tourists to locals.
Column in Financial Times had mooted the idea amid reported shareholder discontent.
James joins the roster of faces including Kate Moss and Cara Delevingne, who have fronted the brand's beauty…
The latest iteration of the campaign features creative types and influencers from the Middle East.
Burberry, Snapchat team to promote grooming line.
Singer is making a stage, album comeback after four years.