HM Revenue & Customs (HMRC) Online Services Helpdesk case reference number

This field is mandatory and must be completed to allow your case to be identified. 

This box can only contain numbers and must be 10 characters in  length.

You have the following options:

• Enter the HMRC Online Services Helpdesk case reference number. Once you submit the form your complaint will go directly to the Online customer service complaints team who will investigate and contact you again shortly.

  If you do not have a HMRC Online Services Helpdesk case reference number but have a problem with one of the listed online services and you want it to be investigated, please contact the HMRC Online Services Helpdesk on Tel 0300 200 3600. For VAT please contact the VAT Online Services Helpdesk on Tel 0300 200 3701.

• An adviser will then investigate and try to resolve any problem you may be having with the online service.