Capital One Complaints 0844 220 4118

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Complaints: 0844 220 4118

Capital One was founded in 1996 and has grown to become one of the UK’s top ten credit card issuers. They pride themselves in providing simple and easy services to their customers and are general renowned for having excellent customer services. It is part of their promise to help their customers succeed with credit. Whenever your finances are concerned, the slightest issue can be a worry, so we’ve put together this handy guide to the Capital One complaints process.


Before you do lodge a complaint, there are some essential things you’ll need to prepare before your call.


What You’ll Need

  • A brief description of your complaint
  • What you’d like to achieve by lodging your complaint
  • Any relevant personal details.
  • Your Capital One account details


Once you have all this information, you are ready to make your complaint.


To complain by phone

The easiest way to complain is by phone. Capital One has a large customer service department who will aim to solve issues at the earliest opportunity. You can contact them on 0844 220 4118


To complain in writing 

If you would prefer to complain in writing, you can write to the Capital One complaints department at the following address;

Complaints Resolution
Capital One
PO Box 5281

Be sure to include the following information:

  • Your name and address
  • Your account number
  • Details of your complaint
  • A daytime telephone number


If you’re still unhappy… 

If you don’t agree with the response that you are given, you can contact the Financial Ombudsman Service (FOS) within 6 months of Capital One’s final response. You can write to them at:


The Financial Ombudsman Service
Exchange Tower
E14 9SR


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