Your company tax return is due 12 months after the end of the accounting period it covers.
Next due—
Check the date against your own records.
Late filing penalties
If the return is late three times in a row, the £200 penalties rise to £1,000 each.
- 1 day late: £200
- 3 months late: another £200
- 6 months late: HMRC estimates your tax and adds 10% of the unpaid tax
- 12 months late: another 10% of any unpaid tax
Get reminded before it's due
Regmindr tracks this and the rest of your FCA calendar, and emails your team before each deadline. Set it up from your year end in about two minutes.
Sources
This page is a summary, not legal or regulatory advice. The rules in the sources above take precedence.