Banks have already begun to take action to shift operations out of the UK, with the governor of Frances central bank warning on Saturday that Britains financial services were at risk of losing their right to operate across the EU.
Investment banks have reacted immediately to Britains referendum result, with some of the Citys largest institutions approaching regulators to secure licences and lining up executives to relocate.
The big US banks JPMorgan Chase, Goldman Sachs, Bank of America, Citigroup and Morgan Stanley have large operations employing tens of thousands of people in the UK. They are now preparing to shift some of this work to cities such as Dublin, Paris and Frankfurt.
The danger to the UKs financial services sector was highlighted in comments on Saturday morning from Frances central bank governor, who warned that banks would lose passporting rights to operate in the EU if Britain leaves the single market.
François Villeroy de Galhau said on Saturday it was paradoxical to allow the City of London to operate by the EUs rules and not be a member of the European Economic Area in the manner of Norway.
The governor of the Banque de France and ECB governing council member told French radio: There is a precedent, it is the Norwegian model of European Economic Area, that would allow Britain to keep access to the single market but by committing to implement all EU rules.
...