Stevens said: “David Solomon is quite right to identify Brexit as the predominant factor in the growing risk to the City of London’s status as the primary financial services centre in this time zone.
“The consequences of the current erosion of that status accelerating, as Goldman Sachs’ projections indicate, are dire for the UK economy as a whole, given financial services is our principal remaining globally competitive sector.
“But the more immediate danger lies in the damage already being inflicted upon UK government tax take – and this at a time of unprecedented fiscal strain and fragile international confidence in UK Gilts.
“When will the Labour government realise that a clear expression of an intention to re-join the EU is now the only way to head off a financial crisis which could prove fatal to its survival in office.”