www.dailymail.co.uk/news/article-5377965/Jamie-Olivers-Italian-restaurant-empire-racks-debts.html#article-5377965
Brexit is going to cause lots of problems for many years to come, but it's just a cheap shot blaming brexit. I've eaten in his Italian places twice and it was pretty shit food and bad value. Brexit or not I'm sure it wouldn't make much difference to his buisness this quickly.