EC sales list (paper)
Paper deadline to report the value of goods and services supplied to VAT-registered businesses in EU member states.
VAT return
Due date for VAT returns and payments for quarter ending 30 November.
Corporation tax payment
Corporation tax payment due for year-end 31 March 2020, for those companies not liable to pay their liability by instalments.
CT61
End of CT61 quarterly period.
Company accounts filing deadline
Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.