How to complain to Capital One UK.

Type: Credit
Region: UK
Escalate to: Financial Ombudsman Service
Response deadline: 8 weeks

Details checked 2026-06-02

Keep a written record of your complaint reference. If Capital One cannot resolve it within 8 weeks, the Financial Ombudsman can review it for free.

Complain to Capital One UK first and ask for a written final response. If they reject you or the deadline passes, you can take it to the Financial Ombudsman Service for free, and their decision is binding on the company.

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Details compiled for convenience. Always confirm the current contact on Capital One UK's own site. A self-serve tool, not a law firm. Not legal advice.