Commonwealth Bank has the highest customer ratings

ANZ has improved its customer satisfaction ratings and now ranks ahead of Westpac in the latest Roy Morgan Research survey.

Commonwealth Bank has the top rating among the big banks, with 80.5 per cent of its retail bank customers saying they are satisfied with the bank. National Australia Bank has a rating of 79.3 per cent, ANZ has 77.6 per cent and Westpac has 76.7 per cent.

Westpac's rating has fallen over the past couple of months.

Source: Banking Day