Sainsbury’s is to sell most of its banking business to NatWest.
The agreement could see NatWest take on around one million customer accounts, as well as £1.4bn of unsecured personal loans, £1.1bn of credit card balances and £2.6bn of customer deposits.
The deal is expected to be completed in the first half of 2025.
Sainsbury’s said customers would “not need to take any action” and said there would be no immediate changes to their terms and conditions.
It comes after the chain announced in January it was winding down its banking division to focus on the retail side of its business.
NatWest is expected to receive around £125m from Sainsbury’s, on completion of the deal, to take on its core banking assets and liabilities.
The supermarket giant estimates it will return at least £250m in excess capital to shareholders after the sale goes through.
Its chief executive Simon Roberts said: “Today’s news means we will focus all our time and resources going forward on growing our core retail business, delivering great quality and value, week in, week out.”
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NatWest boss Paul Thwaite added: “This transaction is a great opportunity to accelerate the growth of our retail banking business at attractive returns, in line with our strategic priorities.
“As well as a complementary customer base, the transaction is expected to add scale to our credit card and unsecured personal lending business.”
The sale does not include Sainsbury’s Bank’s commission income businesses, such as insurance, cash points and travel money.
Argos Financial Services is also not included.
It comes after Sainsbury’s rival Tesco announced earlier this year that it was selling most of its banking arm to Barclays.
The deal was said to be worth up to £1bn.