Change contact details

Companies who are registered and enrolled to use the HMRC Corporation Tax Online Service, can follow links within the ‘About your organisation’ page to change their contact details online.

Changing contact details online is secure and any changes will update HMRC’s records and the companies’ online records within 48 hours (although this may take slightly longer over a weekend or Bank Holiday).

Login and select your service 'Corporation Tax (CT)'. You'll then be taken to 'Your HMRC Services' page.

This is the Corporation Tax Online service landing page for companies.

You can change company details by selecting 'About your organisation' from the At a glance page

  1. To change the company contact details select 'About your organisation' from the left-hand menu.

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