This snapshot, taken on
, shows web content acquired for preservation by The National Archives. External links, forms and search may not work in archived websites and contact details are likely to be out of date.
The UK Government Web Archive does not use cookies but some may be left in your browser from archived websites.

Completing and filing your Company Tax Return

The Company Tax Return: the basics What is a Company Tax Return; when you need to submit it to HMRC; how to use from CT600 to calculate Corporation Tax due

How to complete and file your Company Tax Return Filling in your online or paper Company Tax Return; filing deadlines, directors' loans; R&D Relief; capital allowances; losses

How to change a Company Tax Return you've already filed What to do if you've made a mistake on your Company Tax Return; how and when to amend estimated, provisional or incorrect figures

Determinations: what if you don't file a Company Tax Return If you don't file your return, you'll be charged a penalty and HMRC will tell you how much Corporation Tax to pay

Business Link access to better business - opens Business Link homepage in a new window | © Crown Copyright | Terms & conditions | Privacy policy | Accessibility | Directgov straight through to public services - opens Directgov homepage in a new window