Use the online Corporation Tax service to file your limited company or organisation’s Company Tax Return with HM Revenue and Customs (HMRC).

You may also be able to use this service to file your accounts jointly with Companies House.

Online services may be slow during busy times. Check if there are any current problems with HMRC services, or times they won’t be available.

Start now on HMRC online services

Before you start

To use HMRC’s Corporation Tax service you’ll need your:

You’ll also need your Companies House password and authentication code if you’re filing your accounts jointly with Companies House - register online with Companies House if you haven’t already.

Company accounts

Create these in the online ‘accounts template’ or upload either:

  • your limited company’s statutory accounts
  • the accounts required by your unincorporated association’s rules

Corporation Tax calculations

Enter these in the online ‘computations template’ or upload your own calculations.

When you can file jointly with Companies House

You can file your accounts jointly with Companies House if both of the following apply:

You can also file your accounts with Companies House separately if you can’t file them jointly.