Some of London’s top restaurants are opening branches in Dubai because of a “tax tsunami” in the UK and better work ethic abroad, according to a leading restaurateur.

James Robson, a co-owner of Fallow in St James’s Market, regarded as the capital’s hottest restaurant, serving 1,000 people a day, has just signed a deal to open an outpost in the Gulf.

Other restaurants have opened in Dubai , including the celebrity hotspot Scott’s in Mayfair, the two Michelin-starred Indian venue Gymkhana, and the upmarket Chinese restaurant Park Chinois. Isabel’s, a Mayfair institution enjoyed by politicians, has opened in Abu Dhabi.…