Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 October 2021 to be submitted to HMRC.
Company accounts filing deadline
Deadline for filing your annual accounts is 9 months after your company’s financial year ends.
Corporation tax payment
Corporation tax payment due for year end 31 December 2021, for those companies not liable to pay their liability by instalments.
CT61
End of CT61 quarterly period.
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 30 September 2021 to be submitted to HMRC.