Tax Diary July/August 2025

Posted on 6 June, 2025 in Tax Advisory and Planning

1 July 2025 - Due date for corporation tax due for the year ended 30 September 2024.

6 July 2025 - Complete and submit forms P11D return of benefits and expenses and P11D(b) return of Class 1A NICs.

19 July 2025 - Pay Class 1A NICs (by the 22 July 2025 if paid electronically).

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

19 July 2025 - Filing deadline for the CIS300 monthly return for the month ended 5 July 2025.

19 July 2025 - CIS tax deducted for the month ended 5 July 2025 is payable by today.

1 August 2025 - Due date for corporation tax due for the year ended 31 October 2024.

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

19 August 2025 - Filing deadline for the CIS300 monthly return for the month ended 5 August 2025.

19 August 2025 - CIS tax deducted for the month ended 5 August 2025 is payable by today.

Source: HM Revenue & Customs Fri, 06 Jun 2025 00:00:00 +0100

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