Knowledge centre
Deadlines, guides and straight answers
The dates that carry penalties, and the questions business owners ask us most. Written for directors, not for accountants.
Accounting deadlines calendar
The dates worth putting in your diary
Fixed dates apply to everyone. The rest depend on your company year end, which we track for you.
- 5 April
- End of the tax year for individuals. Last chance for personal allowances, ISA and pension planning.
- 19 April
- Final PAYE submission for the previous tax year.
- 31 May
- P60s must be with all employees.
- 6 July
- P11D and P11D(b) due for benefits provided to employees and directors.
- 31 July
- Second Self Assessment payment on account due.
- 5 October
- Deadline to register for Self Assessment if you had new income in the previous tax year.
- 31 January
- Self Assessment return, balancing payment and first payment on account all due.
- Monthly, 19th
- CIS returns due, including nil returns. PAYE and NIC payable by the 22nd if paying electronically.
- Quarterly, +1 month and 7 days
- VAT return and payment due after each quarter end.
- 9 months after year end
- Company accounts due at Companies House. Corporation tax payable one day later.
- 12 months after year end
- Company tax return (CT600) due to HMRC.
- Annually
- Confirmation statement due at Companies House, separate from the accounts.
Guides
Organised by topic, in plain English
Limited Companies
Self Assessment
Making Tax Digital
HMRC questions
Answers we give most weeks
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