HM Revenue & Customs

How do I change my contact details using the Business Tax Dashboard service?

To change your contact details:

Please note: Email address changes made using the dashboard will only change the details for the specified tax record. If you want to change the email address for your Government Gateway online account, please log in and follow the 'Change details' link in 'Your account' which you can access from the left hand navigation menu on the 'Your HMRC services' page.