Corporation tax payment
Corporation tax payment due for year end 31 May 2023, for those companies not liable to pay their liability by instalments.
Corporation tax
End of corporation tax financial year.
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 March 2023 to be submitted to HMRC.
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2023 to be submitted to HMRC.
Company accounts filing deadline
Check your company’s financial year-end. The deadline for both filing your annual accounts and paying your corporation tax bill is usually 9 months after the end of your company’s financial year, while your corporation tax return is due 12 months after the end of the accounting period it covers.