VAT return
Due date for September VAT returns unless exempted.
CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 30 November 2022 to be submitted to HMRC.
Corporation tax payment
Corporation tax payment due for year end 31 January 2023, for those companies not liable to pay their liability by instalments.
Paper deadline for self-assessment
Deadline for paper submission of self-assessment tax return for tax year ended 5 April 2023.