Are lie detector (polygraph) tests legal in Australia?

Frequently Asked Questions

Are lie detector (polygraph) tests legal in Australia?

Yes. Polygraph and EyeDetect® testing is legal for private use, workplace investigations and certain legal contexts. Court admissibility varies by jurisdiction and case type. Seek legal advice if you plan to use results in court.

How accurate are polygraph and EyeDetect® tests?

When conducted by trained professionals under proper protocols, accuracy can be in the 90–98% range. Results depend on question quality, cooperation and test conditions.

How long does a test take and when will I get results?

Most sessions take 1.5–2.5 hours including the pre-test interview. In many cases a written report is available within 24 hours.

Can my employer request or consider a polygraph test?

Employers may consider credible, third-party evidence as part of an internal investigation. Discuss with HR and obtain legal guidance about your situation.

Will my results be kept confidential?

Yes. We operate with strict discretion and only share results with you and any party you authorise in writing.

How much does a polygraph test cost in Australia?

Pricing depends on complexity, location and urgency. Call 0419 313 121 for a fast quote.

Do you handle infidelity, false allegations and workplace matters?

Yes — see our detailed pages on infidelity testing, false allegations, and workplace misconduct.

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