1 October 2021 – Due date for Corporation Tax due for the year ended 31 December 2020.

19 October 2021 – PAYE and NIC deductions due for month ended 5 October 2021. (If you pay your tax electronically the due date is 22 October 2021.)

19 October 2021 – Filing deadline for the CIS300 monthly return for the month ended 5 October 2021.

19 October 2021 – CIS tax deducted for the month ended 5 October 2021 is payable by today.

31 October 2021 – Latest date you can file a paper version of your 2021 self-assessment tax return.

1 November 2021 – Due date for Corporation Tax due for the year ended 31 January 2021.

19 November 2021 – PAYE and NIC deductions due for month ended 5 November 2021. (If you pay your tax electronically the due date is 22 November 2021.)

19 November 2021 – Filing deadline for the CIS300 monthly return for the month ended 5 November 2021.

19 November 2021 – CIS tax deducted for the month ended 5 November 2021 is payable by today.

1 September 2021 – Due date for Corporation Tax due for the year ended 30 November 2020.

19 September 2021 – PAYE and NIC deductions due for month ended 5 September 2021. (If you pay your tax electronically the due date is 22 September 2021)

19 September 2021 – Filing deadline for the CIS300 monthly return for the month ended 5 September 2021.

19 September 2021 – CIS tax deducted for the month ended 5 September 2021 is payable by today.

1 October 2021 – Due date for Corporation Tax due for the year ended 31 December 2020.

19 October 2021 – PAYE and NIC deductions due for month ended 5 October 2021. (If you pay your tax electronically the due date is 22 October 2021.)

19 October 2021 – Filing deadline for the CIS300 monthly return for the month ended 5 October 2021.

19 October 2021 – CIS tax deducted for the month ended 5 October 2021 is payable by today.

31 October 2021 – Latest date you can file a paper version of your 2021 self-assessment tax return.

1 August 2021 – Due date for Corporation Tax due for the year ended 31 October 2020.

19 August 2021 – PAYE and NIC deductions due for month ended 5 August 2021. (If you pay your tax electronically the due date is 22 August 2021)

19 August 2021 – Filing deadline for the CIS300 monthly return for the month ended 5 August 2021. 

19 August 2021 – CIS tax deducted for the month ended 5 August 2021 is payable by today.

1 September 2021 – Due date for Corporation Tax due for the year ended 30 November 2020.

19 September 2021 – PAYE and NIC deductions due for month ended 5 September 2021. (If you pay your tax electronically the due date is 22 September 2021)

19 September 2021 – Filing deadline for the CIS300 monthly return for the month ended 5 September 2021. 

19 September 2021 – CIS tax deducted for the month ended 5 September 2021 is payable by today.
 

1 July 2021 – Due date for Corporation Tax due for the year ended 30 September 2020.

6 July 2021 – Complete and submit forms P11D return of benefits and expenses and P11D(b) return of Class 1A NICs.

19 July 2021 – Pay Class 1A NICs (by the 22 July 2021 if paid electronically).

19 July 2021 – PAYE and NIC deductions due for month ended 5 July 2021. (If you pay your tax electronically the due date is 22 July 2021).

19 July 2021 – Filing deadline for the CIS300 monthly return for the month ended 5 July 2021. 

19 July 2021 – CIS tax deducted for the month ended 5 July 2021 is payable by today.

1 August 2021 – Due date for Corporation Tax due for the year ended 31 October 2020.

19 August 2021 – PAYE and NIC deductions due for month ended 5 August 2021. (If you pay your tax electronically the due date is 22 August 2021)

19 August 2021 – Filing deadline for the CIS300 monthly return for the month ended 5 August 2021. 

19 August 2021 – CIS tax deducted for the month ended 5 August 2021 is payable by today.

1 June 2021 – Due date for Corporation Tax due for the year ended 31 August 2020.

19 June 2021 – PAYE and NIC deductions due for month ended 5 June 2021. (If you pay your tax electronically the due date is 22 June 2021)

19 June 2021 – Filing deadline for the CIS300 monthly return for the month ended 5 June 2021.

19 June 2021 – CIS tax deducted for the month ended 5 June 2021 is payable by today.

1 July 2021 – Due date for Corporation Tax due for the year ended 30 September 2020.

6 July 2021 – Complete and submit forms P11D return of benefits and expenses and P11D(b) return of Class 1A NICs.

19 July 2021 – Pay Class 1A NICs (by the 22 July 2021 if paid electronically).

19 July 2021 – PAYE and NIC deductions due for month ended 5 July 2021. (If you pay your tax electronically the due date is 22 July 2021)

19 July 2021 – Filing deadline for the CIS300 monthly return for the month ended 5 July 2021.

19 July 2021 – CIS tax deducted for the month ended 5 July 2021 is payable by today.