Capital One strive to give the best products and services to you. Unfortunately, sometimes things can go wrong. By letting us know, it gives us the opportunity to improve and put it right for you.

What we're going to need

In order to deal with your complaint, we’re going to need a few things from you. Best if you have these at the ready before you start.

  • Name and Address
  • Account details
  • A description of your complaint and how it affected you
  • When it happened
  • The best time and number to contact you between the hours of 8am-7pm Monday to Friday
  • If your complaint is regarding PPI please see the dedicated PPI Complaints page.

Please select your preferred option

Make a complaint online

Resolver is a totally free tool that connects consumers directly to the people that can resolve their complaint.

By following this link you will be redirected to their site to generate your online complaint email. You can make changes and attach any documents to support your complaint.

Important – Resolver is an independent service provider that does not act on behalf of Capital One. Capital One has no control over and takes no responsibility for the content that appears on websites linked to our site that are owned by Resolver or its affiliates

Write to us instead

Write to us

If you'd like to raise your concerns via post, please write to us at:

Complaints Resolution
Capital One
PO Box 5281

Make a complaint online instead

What we do next

Our team will take the information you supply and record it on our system. We'll acknowledge your concerns and make time to contact you to try and resolve it quickly and easily. Where it's more complex, we’ll acknowledge your complaint and investigate it fully, keeping you informed.

We aim to deal with your complaint as quickly as possible, and we will provide you with your 'final response' within 8 weeks. If we have been unable to reach a conclusion on your complaint by this time we will explain why and tell you when you can expect our final response.

Other useful information / FAQs