Banking and financial services
Guidance for complaints involving banks and regulated financial-service providers, including unresolved provider complaints.
Start a petitionIssues this sector may cover
- Failed transfer or ATM dispute
- Unauthorised debit
- Unresolved account or loan complaint
Information to gather
- Transaction reference, date and amount
- Account statement or relevant receipt
- Bank complaint ticket and correspondence
Popular complaint guides
How to complain about a failed bank transfer
Keep the transaction reference and first submit the complaint through the bank's verified complaint channel.
How to complain about an unauthorised bank debit
Secure the account, identify the disputed transaction and retain the bank complaint reference and response.
Official starting source
Confirm the current channel and requirements directly with the responsible institution.
CBN consumer complaint guidance ↗PetitionDesk route information reviewed 2026-08-11.