Key dates for a new limited company
Your first accounts, confirmation statement and Corporation Tax deadlines.
These assume you started trading when the company was formed. Use the company check on this page to see the dates Companies House has published for your company.
- Tell HMRC you have started trading, within 3 months.
- First confirmation statement, 12 months plus 14 days. The fee is £50.
- First Corporation Tax payment, 9 months and 1 day after the end of the first accounting period.
- First company accounts at Companies House, 21 months after incorporation.
- First Corporation Tax return, 12 months after the end of the accounting period.
Check the exact dates on Companies House and your HMRC account, or with your accountant.
Letters about these deadlines go to your registered office. If that is our address, we log each one and email you the same day. See our address service for limited companies.
Last checked 28 September 2026