October 7, 2026
November 2026:
1 November 2026 - Due date for Corporation Tax payable by companies with an accounting period ended 31 January 2026, unless the company is required to pay Corporation Tax by
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September 11, 2026
1 October 2026 - Corporation Tax payment is due for companies with an accounting period ending 31 December 2025, unless the company is required to make quarterly instalment payments.
5 October 2026 -
August 10, 2026
1 September 2026 - Due date for corporation tax due for the year ended 30 November 2025.
19 September 2026 - PAYE and NIC deductions due for month ended 5 September 2026. (If you pay your tax
July 8, 2026
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
June 8, 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
May 7, 2026
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
April 13, 2026
1 May 2026 - Due date for corporation tax due for the year ended 30 July 2025.
19 May 2026 - PAYE and NIC deductions due for month ended 5 May 2026. (If you pay your tax electronically the due date
March 13, 2026
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
February 11, 2026
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
January 16, 2026
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
December 15, 2025
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
November 7, 2025
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