Work out Corporation Tax

Use this service to work out a limited company’s Corporation Tax for an accounting period from 1 April 2023, including Marginal Relief.

It also tells you when to pay and when to send the Company Tax Return.

It takes around 2 minutes.

Before you start

You will need:

• the dates of the accounting period
• the company’s taxable profits
• how many associated companies it has

Is this page not working properly? (opens in new tab)