IR35 for Contractors

Invest only fifteen minutes now to evaluate and prove your IR35 status

Use our quick and free online test to analyse and check your IR35 status, and access key professional services to help you with any issues.

Developed by experts in both IR35 and employment law, this solution uses AI to reach a sound judgment on your IR35 status.

Take the FREE Test Membership for contractors
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What are the benefits?

Why take this test?

  • In case of investigation it is essential to prove that you have conducted due diligence to assess your status.
  • The test is quick, easy, free and highly accurate. The most powerful and comprehensive online test available, developed by leading tax experts.
  • Trusted by over 100,000 contractors

What you will get?

  • Your IR35 status and whether you need to take action
  • An assessment of your IR35 status based on case law
  • Option to purchase certification documents, repair packages, legal assistance and our tax investigation insured membership.
Take the FREE Test
The IR35 AI lawyer

Get your IR35 status in writing

After passing the test, buy your unique IR35 Status Determination Statement that demonstrates to your clients, insurers and HMRC that you are outside IR35. The Statement costs just £59.99 and will:

  • Indicate your evaluated IR35 status and level of risk
  • Explain the important factors impacting your IR35 status
  • Include a status certificate
  • Include an optional sign-off sheet for your client to confirm the accuracy of your answers, strengthening your defence against HMRC investigation

When you register with us, you will also receive Beat IR35 – a comprehensive eBook published by ContractorCalculator. With this book:

  • Find out all you need to know about IR35
  • Receive guidance on ensuring that your remain fully compliant
Take the FREE Test
Beat IR35 Book Cover

How the testing works - our process


Enter basic personal details and sign up

Take test

Take fifteen minutes to answer a questionnaire about the contract


Receive a test result that indicates your IR35 status

Status Determination Statement

Buy Status Determination Statement to prove your status to clients and HMRC

Take the FREE Test

Trusted by over 100,000 contractors