
We have put together a set of free resources for UK business owners, sole traders, landlords and individuals - the same tools and information we use every day with our clients. Use them to get a quick estimate, check a deadline, or simply understand the rules. If you would like one of our accountants to look at your situation properly, every resource here ends with a free 15-minute consultation.
Free UK Tax Calculators
These calculators are built and maintained in-house by our own accountants and are updated to reflect the latest HMRC rates and thresholds. They are provided as a guide to help you estimate your position and do not replace tailored advice; please confirm any figure with us before relying on it for filing or planning.
Key UK Tax Deadlines
The deadlines that catch UK businesses out most often. We track these for every client - but it helps to know them yourself.
Deadline
When
Applies to
Self Assessment online filing
End of January, following the tax year
Sole traders, landlords, directors, anyone with untaxed income
Self Assessment payment
End of January, with the return
All Self Assessment taxpayers
Payments on account
End of January and end of July
Self Assessment taxpayers above the threshold
VAT returns
One month and seven days after the VAT period end
VAT-registered businesses
Corporation tax payment
9 months and 1 day after company year-end
UK limited companies
Corporation tax return (CT600)
12 months after company year-end
UK limited companies
Annual accounts (Companies House)
9 months after company year-end (private companies)
UK limited companies
Confirmation statement
At least once every 12 months
UK limited companies
Payroll (RTI)
On or before each payday
Employers running PAYE
P60s to employees
By 31 May
Employers running PAYE



