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Tax calendar
Keep the key tax deadlines in view. The next upcoming date is highlighted automatically.
Tax year 2026
10Jan
VAT return for December
VAT return and payment for December / Q4 (one month later where a permanent filing extension applies).
10Mar
Income tax prepayment Q1
First quarterly prepayment of income tax.
10Jun
Income tax prepayment Q2
Second quarterly prepayment of income tax.
31Jul
Tax return (without an adviser)
Filing deadline for last year's income tax return when filed without tax advice.
10Sep
Income tax prepayment Q3
Third quarterly prepayment of income tax.
10Dec
Income tax prepayment Q4Up next
Fourth quarterly prepayment of income tax.
Please note: if a deadline falls on a weekend or public holiday, it moves to the next working day. With professional tax advice the filing deadlines are extended considerably — we keep track of your dates for you.
Important: This tool provides a non-binding automated first assessment and does not replace tax advice. For a binding assessment, please book a meeting.