According to Nairametrics, the report stated that the affected institutions were sanctioned for “delays in resolving customer complaints to failure to comply with the Bank’s directives.” AdvertisementAccording to the report, the CBN received 23,129 complaints from consumers of financial services in 2025, representing a 10.53% increase from the 20,925 complaints recorded in 2024. In 2022, the CBN issued a guide on how aggrieved customers can complain about financial institutions such as commercial banks. Olayemi Cardoso, governor, CBN, recently said that the CBN and deposit money banks are reviewing excessive transaction alerts and customer charges amid complaints from bank users over confusing debit notifications and deductions. Cardoso said the apex bank had set up a quarterly engagement structure involving its consumer protection team, deposit money banks and the top 10 microfinance banks to address unresolved customer complaints.