Tax deadlines calendar
Every key UK tax date for the year ahead, plus your company’s own deadlines.
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- Reply within one working day
- Xero Gold Partner
Make it yours
Add your dates to include your own company and VAT deadlines.
A general guide, not advice for your circumstances. Book a free consultation to check your own figures.
When is the Self Assessment deadline?
Online returns are due by 31 January after the end of the tax year, which is also when any tax you owe must be paid. Paper returns are due by 31 October.
When do I pay corporation tax?
Most small and medium‑sized companies pay nine months and one day after the end of their accounting period. The company tax return (CT600) is due 12 months after the end of the period.
When are VAT returns due?
Most businesses file quarterly. The return and payment are usually due one calendar month and seven days after the end of each VAT period.
Want us to check your figures?
Book a free consultation and we’ll look at your own numbers.