Skip to main content

Corporation Tax – deadlines for filing and paying

If you run your business as a limited company, you’ll need to pay Corporation Tax each year on the company’s profits. Here are the key facts you need to know about filing your Company Tax Return and paying any Corporation Tax due.

What are the penalties for late filing or late payment?

If you don’t file your Company Tax Return by the deadline, you will have to pay penalties.  

If your return is a day late  the penalty is £100, plus a further £100 if the return is more than three months late. If your tax return is six months late, HMRC will write telling you how much Corporation Tax they think you must pay. This is called a ‘tax determination’ and you can’t appeal against it. 

Use our Corporation Tax Calculator to find out how much you will owe for the current tax year.

End of Article
Share this content

Brought to you by:

AAT Business Finance Basics

AAT Business Finance Basics are a series of online e-learning courses covering the core financial skills every business needs. They draw from AAT’s world-leading qualifications and will quickly build your knowledge on key topics including bookkeeping, budgeting and cash flow.

Visit partner's website

Register with Informi today:

  • Join over 30,000 like-minded business professionals.
  • Create your own personalised account with curated reading lists and checklists.
  • Access exclusive resources including business plans, templates, and tax calculators.
  • Receive the latest business advice and insights from Informi.
  • Join in the discussion through the comments section.