New employee tax code checker
Before you pay a new employee it’s necessary to decide the correct tax code to use. This involves a number of factors starting with whether or not they have a P45. In the worst case scenario using the wrong code could result in HMRC looking to you, the employer, to pay any shortfall in tax.
How to find the correct code
Our interactive flowchart will help you decide on the correct tax code in less than a minute. It’s based on HMRC's latest guidance and the PAYE Regulations.
Related Topics
-
Is it really the end of tax relief for homeworking?
In her 2025 Budget the Chancellor announced the end of tax deductions for “non-reimbursed homeworking expenses”. How might the loss of the deduction affect you and is there an alternative tax relief you can take advantage of?
-
HMRC threatens bogus penalties
Correspondence from HMRC suggests there's a penalty if you don't pay your self-assessment tax bill by Saturday, 31 January. This isn't strictly true, but what are your options if you can't pay on time?
-
HMRC updates guidance for claiming new allowance
Qualifying expenditure on plant and machinery can qualify for a 40% first-year allowance from 1 January 2026. HMRC has now updated its guidance to help make claims. What do you need to do?





This website uses both its own and third-party cookies to analyze our services and navigation on our website in order to improve its contents (analytical purposes: measure visits and sources of web traffic). The legal basis is the consent of the user, except in the case of basic cookies, which are essential to navigate this website.