Corporation tax payment

Corporation tax payment due for year end 31 December 2021, for those companies not liable to pay their liability by instalments.

Corporation tax return

Filing deadline for corporation tax return self-assessment form CT600 for period ended 30 September 2021 to be submitted to HMRC.

Deadline for filing your annual accounts is 9 months after your company’s financial year ends.

End of CT61 quarterly period.

Corporation tax payment due for year end 30 November 2021, for those companies not liable to pay their liability by instalments.