HM Revenue & Customs

Online Service Complaints - Agent

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Please use this form to send HM Revenue & Customs (HMRC) information about your Online Service complaint.

The quickest way to resolve online issues is to use our online contact form or to phone our online services helpdesk. To use the online contact form please select the ‘Get help with this page link’ if it is showing at the bottom of the page you need help with. To contact the online services helpdesk contact 0300 200 3600 or for VAT help 0300 200 3701.

Before you use this form, you must use one of these methods to get the help you need. If you have contacted us and you still want to complain, you must provide us with the reference number we gave you. Reference numbers from our online form are 12 characters, made up of letters and numbers, and reference numbers from the online service helpdesk are 5 or more digits.

Agent details

 Help for Postcode:
 Help for Agent ID:
 Help for Client's full name (if applicable):
 Help for Client Tax Reference:
 Help for Email address:

HMRC will endeavour to contact you by your chosen method in the first instance. However, in certain complex cases HMRC may reply by letter.

Please select your chosen method from the check boxes below:

Which service do you want to comment on?

Please tick the appropriate check box(es) below:

Complaint details

Use the space below to tell HMRC about your complaint.

Please note: The maximum space for your comments is 2000 characters.