1 January 2023 – Due date for Corporation Tax due for the year ended 31 March 2022.

19 January 2023 – PAYE and NIC deductions due for month ended 5 January 2023. (If you pay your tax electronically the due date is 22 January 2023).

19 January 2023 – Filing deadline for the CIS300 monthly return for the month ended 5 January 2023. 

19 January 2023 – CIS tax deducted for the month ended 5 January 2023 is payable by today.

31 January 2023 – Last day to file 2021-22 self-assessment tax returns online.

31 January 2023 – Balance of self-assessment tax owing for 2021-22 due to be settled on or before today unless you have elected to extend this deadline by formal agreement with HMRC. Also due is any first payment on account for 2022-23.

1 February 2023 – Due date for corporation tax payable for the year ended 30 April 2022.

19 February 2023 – PAYE and NIC deductions due for month ended 5 February 2023. (If you pay your tax electronically the due date is 22 February 2023)

19 February 2023 – Filing deadline for the CIS300 monthly return for the month ended 5 February 2023. 

19 February 2023 – CIS tax deducted for the month ended 5 February 2023 is payable by today.