Paper deadline for self-assessment
Deadline for paper submission of self-assessment tax return for tax year ended 5 April 2023.
Company accounts filing deadline
Deadline for filing your annual accounts is 9 months after your company’s financial year ends.
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 October 2022 to be submitted to HMRC.
Electronic PAYE settlements
You must pay any tax and national insurance owed under a PSA by 22 October after the tax year the PSA applies to (19 October if you pay by post).
Quarterly electronic PAYE/NIC payment
Q2 (2023/24) PAYE/NIC payment due where paid electronically in order to avoid automatic interest charge.