1 March 2025 – Due date for Corporation Tax due for the year ended 31 May 2024.

2 March 2025 – Self-Assessment tax for 2023-24 paid after this date will incur a 5% surcharge unless liabilities are cleared by 1 April 2025, or an agreement has been reached with HMRC under their time to pay facility by the same date.

19 March 2025 – PAYE and NIC deductions due for month ended 5 March 2025 (If you pay your tax electronically the due date is 22 March 2025).

19 March 2025 – Filing deadline for the CIS300 monthly return for the month ended 5 March 2025.

19 March 2025 – CIS tax deducted for the month ended 5 March 2025 is payable by today.

1 April 2025 – Due date for corporation tax due for the year ended 30 June 2024.

19 April 2025 – PAYE and NIC deductions due for month ended 5 April 2025. (If you pay your tax electronically the due date is 22 April 2025).

19 April 2025 – Filing deadline for the CIS300 monthly return for the month ended 5 April 2025.

19 April 2025 – CIS tax deducted for the month ended 5 April 2025 is payable by today.

30 April 2025 – 2023-24 tax returns filed after this date will be subject to an additional £10 per day late filing penalty for a maximum of 90 days.

1 August 2024 – Due date for corporation tax due for the year ended 31 October 2023.

19 August 2024 – PAYE and NIC deductions due for month ended 5 August 2024. (If you pay your tax electronically the due date is 22 August 2024)

19 August 2024 – Filing deadline for the CIS300 monthly return for the month ended 5 August 2024. 

19 August 2024 – CIS tax deducted for the month ended 5 August 2024 is payable by today.

1 September 2024 – Due date for corporation tax due for the year ended 30 November 2023.

19 September 2024 – PAYE and NIC deductions due for month ended 5 September 2024. (If you pay your tax electronically the due date is 22 September 2024)

19 September 2024 – Filing deadline for the CIS300 monthly return for the month ended 5 September 2024. 

19 September 2024 – CIS tax deducted for the month ended 5 September 2024 is payable by today.

1 June 2024 – Due date for corporation tax due for the year ended 31 August 2023.

19 June 2024 – PAYE and NIC deductions due for month ended 5 June 2024. (If you pay your tax electronically the due date is 22 June 2024).

19 June 2024 – Filing deadline for the CIS300 monthly return for the month ended 5 June 2024. 

19 June 2024 – CIS tax deducted for the month ended 5 June 2024 is payable by today.

1 July 2024 – Due date for corporation tax due for the year ended 30 September 2023.

6 July 2024 – Complete and submit forms P11D return of benefits and expenses and P11D(b) return of Class 1A NICs.

19 July 2024 – Pay Class 1A NICs (by the 22 July 2024 if paid electronically).

19 July 2024 – PAYE and NIC deductions due for month ended 5 July 2024. (If you pay your tax electronically the due date is 22 July 2024).

19 July 2024 – Filing deadline for the CIS300 monthly return for the month ended 5 July 2024. 

19 July 2024 – CIS tax deducted for the month ended 5 July 2024 is payable by today.

1 May 2024 – Due date for corporation tax due for the year ended 30 July 2023.

19 May 2024 – PAYE and NIC deductions due for month ended 5 May 2024. (If you pay your tax electronically the due date is 22 May 2024).

19 May 2024 – Filing deadline for the CIS300 monthly return for the month ended 5 May 2024. 

19 May 2024 – CIS tax deducted for the month ended 5 May 2023 is payable by today.

31 May 2024 – Ensure all employees have been given their P60s for the 2023/24 tax year.

1 June 2024 – Due date for corporation tax due for the year ended 31 August 2023.

19 June 2024 – PAYE and NIC deductions due for month ended 5 June 2024. (If you pay your tax electronically the due date is 22 June 2024).

19 June 2024 – Filing deadline for the CIS300 monthly return for the month ended 5 June 2024. 

19 June 2024 – CIS tax deducted for the month ended 5 June 2024 is payable by today.