IR35 Checker

Assess your employment status for tax purposes with this comprehensive IR35 checker tool.

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About This Tool

This IR35 Checker tool helps contractors, freelancers, and businesses determine whether a working arrangement falls inside or outside IR35 regulations. Based on HMRC guidelines, the tool evaluates key factors including control, substitution, mutuality of obligation, financial risk, and integration. Answer simple questions about your working arrangement to receive a detailed assessment of your IR35 status, along with explanations and recommendations.

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How to Use

Answer all questions about your working arrangement using the form inputs.
Click the 'Check IR35 Status' button to analyze your responses.
Review your IR35 status (Inside, Outside, or Borderline).
Examine the detailed breakdown of how each factor contributed to your score.
Read the recommendations for next steps based on your assessment.

Frequently Asked Questions

Find Quick Answers

What is IR35?

IR35 is tax legislation in the UK designed to identify 'disguised employment' where workers provide services through an intermediary (like a limited company) but would be employees if engaged directly. Being 'inside IR35' means you're treated as an employee for tax purposes.

How accurate is this IR35 checker?

This tool is based on HMRC's CEST (Check Employment Status for Tax) guidelines and evaluates the same key factors. However, it provides an indicative assessment only. For definitive determination, consult a tax professional or use HMRC's official CEST tool.

What factors does the tool consider?

The tool evaluates five key factors: Control (who directs the work), Substitution (can someone else do the work), Mutuality of Obligation (ongoing work expectation), Financial Risk (who bears financial responsibility), and Integration (how integrated you are into the client's organization).

What should I do if I'm assessed as 'Inside IR35'?

If assessed as inside IR35, you may need to pay employment taxes (PAYE and National Insurance). Consult with a tax advisor to review your contract and working practices, and consider whether you need to adjust your arrangements or tax payments.

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