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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.

For all complaints

Sign in to your account to submit a complaint online. Go to Help then look for Complaints within the Your Account category.

Alternatively, you can write to us at:

Complaints resolution
Capital One
PO Box 5281

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

After you've made a complaint

  • We'll get in touch, so you know we've got your complaint.
  • We'll try to resolve your complaint as soon as possible. If it's complicated, we'll use a specialist team to look into things. This may take a little extra time, but we'll keep you up to date with what's happening.
  • We'll let you know the outcome.

Other useful information / FAQs