How to Make a Complaint to Bank of Ireland

Step-by-step process for raising and escalating customer disputes

Olesya Krasavtseva
Fact-checked by Olesya Krasavtseva
Content Editor at Prostobank Consulting Prostobank Consulting Logo
Updated: 01.09.2026
Table of Contents

Encountering service errors, unexpected fee charges, or unresolved account discrepancies can be stressful. When everyday customer service channels fail to correct a mistake, raising a formal complaint ensures your dispute is handled under structured regulatory guidelines.

Bank of Ireland UK provides formal dispute resolution channels for personal and business customers. Understanding how to log your grievance, what evidence to include, and when you are eligible to involve the independent ombudsman helps you navigate the resolution process effectively.

Key Information

Category Details
Methods Online complaint form, telephone support, secure mobile app message, or postal mail
Processing Time Formal acknowledgement within 3 working days; full resolution review typically takes up to 8 weeks
Eligibility Active or former Bank of Ireland UK account holders and borrowers
Key Requirements Account sort code and account number, clear timeline of events, and relevant supporting documents or receipts

If you have any complaints regarding the servicing at the bank, you can make a complaint in one of the following ways:

  1. by visiting the nearest branch
  2. by calling on 0818-200-365 from Great Britain, or +353-1-404-4000 from abroad
  3. by mailing to Bank of Ireland, Group Customer Complaints, Floor 1, Newlands Cross Business Centre, Clondalkin, Co. Dublin, D22 W324
  4. by the bank’s website

Troubleshooting Common Complaint Submission Issues

  • MFA or Secure App Message Delivery Failure
    Cause: Outdated mobile contact information or temporary network connection drops preventing secure message submission.
    Simple Fix: Check your cellular signal, restart your mobile application, and verify your registered contact details.
    Fallback Action: Send your written complaint via postal mail or call customer service to log the dispute verbally over the phone.
  • Online Complaint Portal Form Freezing
    Cause: Stale browser cache data or uploading heavy document attachments that exceed the secure form's file size limit.
    Simple Fix: Compress your document scans into standard PDF files under 5MB, clear your browser cookies, and retry submission in an incognito window.
    Fallback Action: Download a printable complaint form from the bank's website and mail your documents directly to the customer relations team.
  • Locked Account Access While Dispute Is Pending
    Cause: Automated fraud security holds triggered by unusual activity that formed part of your reported dispute.
    Simple Fix: Contact the fraud or security department directly with your complaint reference number to verify your recent transactions.
    Fallback Action: Ask your assigned complaint investigator to liaise with internal security teams to review your account restrictions.

Pro-Tip: Keep a detailed written log of every phone call, reference number, and name of the representative you speak with regarding your dispute. Maintaining an organized record prevents miscommunication during long investigations and provides clear evidence if you escalate your case to the Financial Ombudsman Service.

Frequently Asked Questions

What happens if Bank of Ireland does not resolve my complaint within eight weeks?

Customers waiting on a final outcome can feel frustrated if weeks pass without a definitive answer. Under UK regulatory standards, financial institutions have up to eight weeks from the date you first raised your grievance to issue a formal written final response letter. If the bank fails to resolve your dispute within this window—or if you disagree with their final decision—you gain the formal right to take your case to the independent Financial Ombudsman Service (FOS) without paying a fee. One limitation is that you must refer your complaint to the Ombudsman within six months of receiving the bank's final response letter. To proceed, visit the Financial Ombudsman website and submit your reference number along with your correspondence history.

Can I claim compensation for distress or financial loss caused by the bank's error?

When a bank error causes missed bills, damaged credit histories, or considerable administrative stress, customers often request financial compensation. During a formal complaint investigation, adjudicators assess whether the bank's actions directly caused financial loss, inconvenience, or distress, and they can award compensatory payments to put things right. An exception is that compensation amounts are calculated based on proven direct impact rather than speculative estimates, meaning clear documentation of your losses is required. State the specific financial loss and practical impact clearly in your initial written complaint so the investigator can evaluate your compensation request.

Official Bank Information

Bank of Ireland (UK)

SWIFT Code: BOFIGB2B

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