Rishi Sunak has offered financial services firms the prospect of closer access to EU markets than outlined in the Brexit trade deal, after Boris Johnson conceded that this aspect of the agreement fell short of UK hopes.

With MPs and experts still poring over the 1,246-page details of the agreement ahead of votes in the Commons and Lords on Wednesday, increasing focus has fallen on the relative lack of provision for the service sector, which makes up about 80% of the UK economy.