Deadlines
Every deadline, and the next one marked.
The dates that apply to a small business or a landlord in a normal year. On a package they live in our diary and the portal turns amber six weeks before each one; this page is the same list for anyone, with the next date highlighted.
The calendar
Fixed dates first, then the ones that follow your year end.
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31 Januaryevery year
Self assessment return and balancing payment; first payment on account
Sole traders, landlords, directors
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5 Aprilevery year
Tax year ends; last day for pension and ISA contributions against it
Everyone
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6 Aprilevery year
New tax year; new rates and thresholds; MTD income tax starts for those over £50,000 (2026)
Everyone
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19 Aprilevery year
Final payroll submission of the year and any PAYE for March
Employers
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31 Mayevery year
P60s to every employee
Employers
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6 Julyevery year
P11D benefits in kind filed; class 1A NI by 22 July
Employers with benefits
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31 Julyevery year
Second payment on account
Sole traders, landlords, directors
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7 Augustevery year
MTD income tax first quarterly update (quarter to 5 July); then 7 November, 7 February, 7 May
Sole traders and landlords in MTD
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5 Octoberevery year
Register for self assessment if newly self-employed or a new landlord
New sole traders and landlords
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Nine monthsafter your year end
Corporation tax due nine months and one day after the company year end
Limited companies
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Nine monthsafter your year end
Accounts due at Companies House nine months after the year end; CT600 twelve months after
Limited companies
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Quarterlyafter your year end
VAT return and payment one month and seven days after the quarter end
VAT-registered
Payments on account apply when last year's bill was over £1,000 and less than 80% was collected through PAYE. Where a date falls on a weekend the deadline is the date itself for returns and the next working day only for some payments; we work to the date.
Six weeks before
How a deadline is met on a package.
Six weeks before each date the portal turns amber and lists what we need: the last bank statement, the mileage, the figure for stock, a yes or no on a dividend. You upload or answer; we prepare; you approve in the portal with one click; we file the same day and the portal turns green with the HMRC or Companies House receipt attached. If nothing has come back at three weeks, Wendy rings. Nobody on a package has paid a late-filing penalty since 2017.
Pick a package, or ask which one fits.
Sole trader or landlord £45 a month, limited company £125, VAT-registered £195, all plus VAT, everything in. Tell us what the business is and where you are with it and one of the three of us rings back the same working day with a straight answer, including which package you do not need.