A graduate employee from Big Four accounting giant EY Australia has been sacked over allegations he and another man accessed prime minister Anthony Albanese's personal bank account.

The junior employees were seconded to Australia’s largest bank as part of a contingent of EY consultants advising on the lender’s mortgage system.

The junior employees were seconded to Australia’s largest bank as part of a contingent of EY consultants advising on the lender’s mortgage system.