In this section:
  • File returns and manage your Corporation Tax account

File returns and manage your Corporation Tax account

Using Corporation Tax Online What you can do online for Corporation Tax and how to set up and manage your online account

Accounting periods for Corporation TaxWhat a Corporation Tax accounting period is and when you may have to change it

Preparing to file your Company Tax ReturnWhat you need to consider when you need to file a Company Tax Return; includes record-keeping, signing up for Corporation Tax Online and software options

Help to file your Company Tax Return Links to: beginner's guides to Corporation Tax Online; tax help to complete your return; Online Services Helpdesk contact details

Log in to Corporation Tax Online now Go direct to Corporation Tax Online to submit your Company Tax Return now if you are already a registered user