Barclays Group and Lloyds Group have topped a table among financial institutions for complaints received and upheld by the Financial Ombudsman Service (FOS)
Lloyds had 27,745 complaints, and Barclays had 24,457 cases brought to the FOS from 1 January to 30 June 2012.
According to new figures released by the FOS, five banking groups had complaints totalling 80,235 cases.
During the six-month period, FOS received a total of 135,170 new complaints, which represented a 27 per cent increase on last year, when 53 per cent of its total complaints were upheld.
Unsurprisingly, payment protection insurance (PPI) accounted for 63 per cent of all complaints received in the first half of the year. Paul Maddox, managing director of customer service at Barclays, said the bank has "worked hard to improve our complaints handling and are seeing fewer customers feeling the need to go to the FOS."
This story first appeared in economia.