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Dates and deadlines

Keep this list by your side

As a business owner, there are scores of dates and deadlines that you have to juggle. Miss one and it could end up costing you.

We’ve put together a special list of all the important dates and deadlines that you can’t afford to miss or forget about. You’ll find everything you need to know from PAYE and tax return deadlines to some one-off dates. It’s all designed to be read at a glance – the ultimate tool for a busy business owner.

07 December 2025

  • VAT Return Submission and Payment (online)

    Month or quarter-end 31 October 2025.

19 December 2025

  • CIS Return

    Payments made to subcontractors in the month to 5 December 2025.

  • PAYE, NIC and CIS Payment (postal)

    Month-end 5 December 2025.

22 December 2025

  • PAYE, NIC and CIS Payment (electronic)

    Month-end 5 December 2025.

30 December 2025

  • Self Assessment

    Payment of 2024/25 tax via PAYE coding out online return submission.

31 December 2025

  • Corporation Tax Returns

    31 December 2024 year ends.

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