Company accounts filing deadline
Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends, unless Companies House grants a discretionary three-month extension.
CT61 payment
Due date for income tax for the CT61 period to 31 March 2021.
Corporation tax payment
Corporation tax payment due for year end 30 June 2020, for those companies not liable to pay their liability by instalments.
Corporation tax
End of corporation tax financial year.
CT61
End of CT61 quarterly period.