If you are dissatisfied by the way in which HM Revenue & Customs (HMRC) have handled your online service affairs you can contact the HMRC Digital Service customer complaints team.
The Digital Service customer complaints team can only deal with complaints relating to HMRC's online services. They are unable to answer questions about any other subject matter.
If your complaint does not relate to HMRC online service please use the following link to 'Contact us' this will direct you to the office you should contact.
The HMRC Digital Service customer complaints team can be contacted either by email or letter.
The email service is currently unavailable whilst under development, please contact us by letter or call the Online Service Helpdesk on 0300 200 3600.
To use this service your information will be sent on a form via email. The following information will be requested on the form:
You will also be asked to summarise what you think has gone wrong. The team will look at your concerns and contact you as soon as possible.
If you wish to send additional supporting documentation you must contact the HMRC Digital Service customer complaints team by letter at the address below.
If you are completing the form as an agent and wish to provide comments about either general online service issues or several clients, please write direct to the HMRC Digital Service customer complaints team at the address below.
By submitting information direct to HMRC using one of the forms below your message is secure, but the email reply to you, which will be sent over the internet, is not. The team will contact you by your chosen method of communication. However, in more complex cases they will reply by letter.
These links are currently being upgraded please do not use them as your email will not be received.
To contact the HMRC Digital Service customer complaints team by letter, please use the address below.
HMRC Digital Service Complaints
The 'Complaints and putting things right' factsheet explains how your complaint will be dealt with.