Tax and business calendar
Details of compliance and regulatory deadlines.
31 January 2023
Midnight deadline to pay any outstanding tax you owe from 2021/22.
First payment on account
Midnight deadline to pay half of any tax owed for 2022/23.
Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2022 to be submitted to HMRC.
Company accounts filing deadline
Deadline for filing your annual accounts is 9 months after your company’s financial year ends.
Personal tax returns (online)
Midnight deadline to submit online self-assessment tax returns for 2021/22.
01 February 2023
Corporation tax payment
Corporation tax payment due for year end 30 April 2022, for those companies not liable to pay their liability by instalments.
07 February 2023
Due date for December VAT returns unless exempted.
19 February 2023
Monthly postal PAYE/class 1 NICs/student loan payment
If you pay by cheque through the post, monthly payments due for PAYE, class 1 NICs and student loan deductions from January 2023.
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
21 February 2023
Due date for payment of supplementary declarations for January 2023.