Dates and Deadlines
Your essential financial calendar
Visit our Dates and Deadlines page to ensure you’re always prepared. This essential resource compiles key calendar information, including VAT, CIS, tax returns, and more, providing all the crucial deadlines and details you need. Whether you’re a business owner or an individual taxpayer, our comprehensive calendar keeps you informed and ready to act on every significant financial event throughout the year. Stay ahead of your financial obligations and optimise your planning with our guide, designed to help you manage your responsibilities effectively and efficiently.
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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