LONDON, ENGLAND - MAY 13: A general view of the Bank of China in the City of London on May 13, 2016 in London, England. There are 250 foreign banks set up in the UK, contributing to tax revenue and employing thousands of people. Mark Boleat, Chairman of the Policy and Resources Committee for the City of London, has previously described the UK's membership to the EU as one of the reasons for this strong position, arguing that it allows financial institutions to operate "throughout the whole of the EU without separate authorisation in each country". (Photo by Dan Kitwood/Getty Images)
