Overview
Exact dates depend on the client’s accounting periods, VAT quarters, payroll frequency and Companies House record. Use this calendar as a prompt and rely on the personalised portal deadlines and official accounts for the actual due date.
Who this applies to
UK companies, employers, VAT-registered businesses, CIS contractors and Self Assessment clients.
Key points
- Company accounts are normally due 9 months after a private company’s financial year end, with special first-account rules.
- Corporation Tax is usually due 9 months and 1 day after the accounting period, while the return is due 12 months after it.
- Confirmation statements have a company-specific review period and filing deadline.
- Payroll, VAT and CIS dates repeat throughout the year.
- Bank holidays and payment-clearing times should be considered.
Important dates and deadlines
Common dates include: 19th for postal PAYE/CIS payment and CIS monthly returns; 22nd for electronic PAYE/CIS payment; one month and 7 days after a VAT period for the usual VAT Return and payment; 31 July for the second Self Assessment payment on account; 31 October for most paper Self Assessment returns; and 31 January for online returns, balancing payments and first payments on account.
Practical checklist
- Open the client portal deadline record.
- Confirm Companies House dates against the public register.
- Check HMRC online accounts for VAT and PAYE periods.
- Allow processing time before the deadline.
- Retain submission and payment evidence.
Frequently asked questions
Why does my company have different dates from another company?
Accounting periods, incorporation dates, VAT quarters and confirmation-statement review periods differ.
Does a weekend extend every deadline?
No. Some payments must clear by the displayed date, so plan ahead.
How Accountants4All can help
Support matched to your circumstances
Accountants4All uses the portal to track company-specific statutory dates and can send structured requests before records are due.
Official sources and further reading
Figures and dates can change and special rules may apply. This resource is general guidance and not a substitute for personalised professional advice.
Read the full tax disclaimer