The sector's total tax contribution reached 71.4 billion pounds (84.7 billion euros, USD 90.9 billion) in the year to March 31, up 7.4 per cent on the previous year, the study by consultancy PwC for the City of London Corporation showed.
The figures represent 11.5 per cent of the British government's total tax receipts over the 12-month period and the equivalent of almost a quarter (23.3 per cent) of financial services' turnover.
The powerful British Bankers Association warned recently that international banks based in Britain were ready to move some of their activities elsewhere starting early next year.
Finance minister Philip Hammond and Brexit minister David Davis yesterday met representatives of Britain's banking, insurance, asset management and market infrastructure sectors to listen to their concerns.
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In a joint statement afterwards, the ministers said: "Our financial services sector makes a crucial contribution to our economy and we will work together to ensure it continues as the hub for both Europe and the rest of the world."
However, she has said she is seeking "maximum possible access" for British businesses, and ministers have indicated they may be willing to pay the EU for this.
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