Resources
Useful Tools & Key Dates
The deadlines that matter and the official links you need — all in one place.
Key Tax Dates
Self Assessment
- 5 April
- End of the tax year.
- 5 October
- Register for Self Assessment if you are newly self-employed or have new untaxed income.
- 31 October
- Paper tax return deadline.
- 31 January
- Online tax return deadline, balancing payment for the previous year and first payment on account.
- 31 July
- Second payment on account.
Limited Companies
- 9 months after year end
- Annual accounts due at Companies House (private companies).
- 9 months + 1 day
- Corporation Tax payment due for most companies.
- 12 months after year end
- Company Tax Return (CT600) due to HMRC.
- Every 12 months
- Confirmation statement filed at Companies House.
VAT & Making Tax Digital
- 1 month + 7 days
- VAT return and payment due after the end of each VAT period.
- April 2026
- MTD for Income Tax applies to sole traders and landlords with qualifying income over £50,000.
- April 2027
- MTD for Income Tax extends to qualifying income over £30,000.
- April 2028
- MTD for Income Tax extends to qualifying income over £20,000.
Useful Links
Guides & Answers
Practical articles from our team and answers to the questions we hear most often.
Dates are a general guide. Your own deadlines depend on your circumstances and year end — we track them for every client.
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