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If you need complain about the HMRC you have some choices:

  • Complain online: use your Gateway user ID and password, login to your HMRC account, and use the HMRC complaints form in order to make write your complaint.
  • You can also complain through the phone by calling the HMRC customer service – call the specific department that you like to complain about.
  • I will list here the main departments complaints phone numbers for you to make your life easy:
    Income Tax complaints: 0300 200 3300
    Tax credits complaints: 0345 300 3900
    Self Assessment complaints: 0300 200 3310
    National Insurance complaints: 0300 200 3500
  • If you experienced serious misconduct by any of HMRC staff, send your complaint to:
    HM Revenue and Customs PO Box 64353 London EC3P 3AW United Kingdom

  • Your HMRC Complaint

  • Submit Your HMRC

  • Nearly done – we just need a little info
  • Check your case before we send it off

Fill this HMRC complaints form.

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Attach file

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Allowed file types [ jpeg, jpg, png, doc, pdf, xls, xlsx, docx ]

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