Every HMRC and Companies House deadline you need to know, in one place. Filter by your business type, download a PDF, or build a personalised calendar with ICS export.
Fixed deadlines shown month by month, April to March. Recurring and variable deadlines are listed separately below.
6 April
New tax year begins
5 April
Tax year ends
31 May
P60 deadline
No fixed deadlines this month.
31 July
Second payment on account
6 July
P11D deadline
22 July
Class 1A NIC payment
No fixed deadlines this month.
No fixed deadlines this month.
31 October
Paper Self Assessment deadline
5 October
Register for Self Assessment
No fixed deadlines this month.
No fixed deadlines this month.
31 January
Online Self Assessment deadline
31 January
First payment on account
31 January
Balancing payment due
No fixed deadlines this month.
No fixed deadlines this month.
These repeat monthly or on each payday throughout the year.
Monthly deadline for paying PAYE, National Insurance, and student loan deductions to HMRC electronically.
22nd of each month
Report employee pay and deductions to HMRC on or before each payday via your payroll software.
On or before payday
Submit an EPS if you need to reclaim statutory payments or report no payments for the month.
19th of each month
Submit your VAT return and pay any VAT due. The deadline is one calendar month and seven days after your VAT quarter ends.
1 month + 7 days after quarter end
Contractors in the Construction Industry Scheme must file monthly returns and make deductions to HMRC.
19th of each month
These depend on your specific year-end, VAT quarter, or registration date.
You must register for VAT within 30 days of your taxable turnover exceeding £90,000 in a rolling 12-month period (2024/25 threshold).
Within 30 days
If you use the Annual Accounting Scheme, submit your return within 2 months of your accounting period end.
2 months after period end
Pay your Corporation Tax bill within 9 months and 1 day of your company's accounting period end.
9 months + 1 day after year-end
Interest from the due date
File your CT600 return with HMRC within 12 months of the end of the accounting period.
12 months after year-end
£100 if up to 3 months late, £200 after
Large companies (profits over £1.5m) must pay Corporation Tax in quarterly instalments starting in month 7 of the accounting period.
Quarterly instalments
Private limited companies must file annual accounts with Companies House within 9 months of the accounting reference date.
9 months after year-end
£150 if up to 1 month late, escalating to £1,500
New companies must file their first set of accounts within 21 months of incorporation or 3 months after the accounting reference date, whichever is longer.
21 months after incorporation
File a confirmation statement with Companies House within 14 days of the anniversary of incorporation or the last statement.
14 days after anniversary
Company can be struck off
Report changes to company officers, registered office, or share capital within 14 days of the change.
Within 14 days
Update the People with Significant Control register and notify Companies House within 14 days of any change.
Within 14 days
Set dates that apply to everyone in the same way each year. Examples: 31 January for Self Assessment, 31 May for P60s. These never change.
Obligations that repeat monthly or per pay period. Examples: PAYE due by the 22nd each month, FPS submissions on every payday.
Dates that depend on your specific circumstances — your company year-end, VAT quarter, or registration date. Use our builder to calculate yours.
Get a clean PDF of every deadline relevant to your business type. Print it, pin it, or save it — never miss a filing date.
Select your tax obligations and year-end date. We'll calculate your specific deadlines and let you export them to your calendar app.
We track every deadline for you through our Compliance Vault™ system. Your Evidence Pack keeps records audit-ready, Deadline Lock ensures nothing is missed, and your Portfolio Reporting Pack gives you clean numbers when you need them.
With 16 years in practice and published service standards, we keep your books, filings, and payments running to a clear, documented rhythm.
Whether you're a sole trader filing once a year or a limited company juggling monthly payroll, quarterly VAT, and annual accounts — we keep you compliant year-round.