Category: Tax Diary

Tax Diary June/July 2025

1 June 2025 – Due date for corporation tax due for the year ended 31 August 2024.

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

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

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

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.

31 July 2025 – Pay second self-assessment payment on account for 2024-25.

Source:HM Revenue & Customs | 01-05-2025

Tax Diary May/June 2025

1 May 2025 – Due date for corporation tax due for the year ended 30 July 2024.

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

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

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

31 May 2025 – Ensure all employees have been given their P60s for the 2024/25 tax year.

1 June 2025 – Due date for corporation tax due for the year ended 31 August 2024.

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

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

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

Source:HM Revenue & Customs | 09-04-2025

Tax Diary April/May 2025

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 May 2025 – Due date for corporation tax due for the year ended 30 July 2024.

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

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

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

31 May 2025 – Ensure all employees have been given their P60s for the 2024/25 tax year.

Source:HM Revenue & Customs | 06-03-2025

Tax Diary March/April 2025

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.

Source:HM Revenue & Customs | 03-02-2025

Tax Diary February/March 2025

1 February 2025 – Due date for Corporation Tax payable for the year ended 30 April 2024.

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

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

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

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.

Source:HM Revenue & Customs | 01-01-2025