Selecting the wrong NI category can lead to HMRC penalties or overpaying Employer Contributions. Use our quick tool to identify the correct letter for your employee and ensure your payroll is compliant from the start.
Zaypay: NIC Category Finder
Is the employee age 21 or over?
*Disclaimer: The “Zaypay NIC Category Finder” is for informational purposes only and does not constitute professional tax or legal advice.
Zaypay accepts no responsibility for incorrect NIC category applications, financial losses, or HMRC penalties resulting from the use of this tool or from incorrect data entered by the user. Always verify results with official HMRC guidance or a qualified payroll professional before finalising your payroll run.