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.

CT61

End of CT61 quarterly period.