Corporation Tax

Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2021 to be submitted to HMRC.

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

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

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

End of CT61 quarterly period.

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