Corporation tax is a tax on the profits of limited companies and some other organisations (for example clubs, societies, associations and charities). It is self–assessed which means it is up to the company (not HM Revenue and Customs) to work out how much corporation tax is payable.
The owners of a business may decide to form a company at any time. Once you've registered your company with Companies House you will need to register it for Corporation Tax. A company needs to register within three months of any business activities starting. You may get a penalty if you register late.
When the decision has been made to become a company, the first step is to register with Companies House.
In order to register, either:
Once Companies House has approved the company, a certificate of incorporation will be issued. This will show the date of incorporation and the company registration number (which is unique).
Companies House will inform Her Majesty’s Revenue and Customs (HMRC) of the formation of a new company.
HMRC will send a letter to all newly formed companies. The letter will include the company’s 10-digit Unique Taxpayer Reference (UTR).
The company must register for corporation tax (the tax paid by companies) online within three months of any business activities starting.
A limited company must keep details of:
Any corporation tax due must be paid electronically by nine months and a day after the accounting period end.
For example – a company with a year-end 31 December 2018 must pay any corporation tax due by 1 October 2019.
You can register or "incorporate" a limited company online if:
Use this form to register (incorporate) a private or public company.Read more
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