Dates and deadlines

Avoid the panic of short deadlines or, worse, missed ones with our calendar of key events in the accounting year, including upcoming changes to legislation and cutoff dates for tax return submissions. From corporation tax to VAT, we’ve got all the milestones covered, to bring peace of mind by heading off investigations and fines. We’ll also send these by email if you’re subscribed to our fortnightly newsletter.

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.

How we help

Whether you need tax planning or business advice, outsourced accounts or help with software, we've got it all covered. Take a look at our full list of services.