Dates and deadlines

If there’s one thing we, as accountants, understand about running a business, it’s the sheer and overwhelming number of dates and deadlines to always bear in mind.

That’s why we put together a list of important business dates and deadlines you absolutely need to know about in the coming tax year – so you can stay one step ahead.

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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We don’t run by the hour – let’s change the perception that everything has to be done by our time.