Dates & deadlines
Important accounting dates and deadlines
From self-assessment to corporation tax return deadlines, here is a comprehensive list of important accounting dates and deadlines.
31 October 2021
Paper deadline for self-assessment
Deadline for paper submission of self-assessment tax return for tax year ended 5 April 2020.
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 2020 to be submitted to HMRC.
01 November 2021
Corporation tax payment
Corporation tax payment due for year end 31 January 2021, for those companies not liable to pay their liability by instalments.
07 November 2021
VAT return
Due date for September VAT returns unless exempted.
19 November 2021
Monthly postal PAYE/class 1 NICs/student loan payment
If you pay by cheque through the post, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.
CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
21 November 2021
Intrastat
Due date for payment of supplementary declarations for October 2021.
22 November 2021
Monthly electronic PAYE/class 1 NICs/student loan payment
If paying electronically, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.
30 November 2021
Company accounts filing deadline
Deadline for filing your annual accounts is 9 months after your company’s financial year ends.
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