1 August 2026 – Due date for Corporation Tax due for the year ended 31 October 2025. 19 August 2026 – PAYE and NIC deductions due for the month ended 5 August 2026. (If you pay electronically, the due date is 22 August 2026.) 19 August 2026 –

1 July 2026 – Due date for corporation tax due for the year ended 30 September 2025. 6 July 2026 – Complete and submit forms P11D return of benefits and expenses and P11D(b) return of Class 1A NICs for 2025-26. 19 July 2026 – Pay Class 1A NICs for

1 June 2026 – Due date for corporation tax due for the year ended 31 August 2025. 19 June 2026 – PAYE and NIC deductions due for month ended 5 June 2026. (If you pay your tax electronically the due date is 22 June 2026). 19 June 2026 – Filing

1 April 2026 – Due date for corporation tax due for the year ended 30 June 2025.19 April 2026 – PAYE and NIC deductions due for month ended 5 April 2026 (If you pay your tax electronically the due date is 22 April 2026).19 April 2026 – Filing

1 March 2026 – Due date for Corporation Tax due for the year ended 31 May 2025.2 March 2026 – Self-Assessment tax for 2024-25 paid after this date will incur a 5% surcharge unless liabilities are cleared by 1 April 2026, or an agreement has been

1 February 2026 – Due date for Corporation Tax payable for the year ended 30 April 2025.19 February 2026 – PAYE and NIC deductions due for month ended 5 February 2026. (If you pay your tax electronically the due date is 22 February 2026)19 February

1 January 2026 – Due date for Corporation Tax due for the year ended 31 March 202519 January 2026 – PAYE and NIC deductions due for month ended 5 January 2026. (If you pay your tax electronically the due date is 22 January 2026).19 January 2026 –

1 December 2025 – Due date for Corporation Tax payable for the year ended 28 February 2025. 19 December 2025 – PAYE and NIC deductions due for month ended 5 December 2025. (If you pay your tax electronically the due date is 22 December 2025). 19

1 November 2025 – Due date for Corporation Tax due for the year ended 31 January 2025. 19 November 2025 – PAYE and NIC deductions due for month ended 5 November 2024. (If you pay your tax electronically the due date is 22 November 2025.) 19

1 October 2025 – Due date for Corporation Tax due for the year ended 31 December 2024. 19 October 2025 – PAYE and NIC deductions due for month ended 5 October 2025. (If you pay your tax electronically the due date is 22 October 2025.) 19 October