what makes us different

Internationally accredited

All our Examiners are internationally accredited and associate members of the American Polygraph Association, among other organizations.

25+ years' experience

Our senior Investigators all have in excess of 25 years' experience in specialized investigative fields.

Driven by our strong moral compass

We are committed to acting in the best interest of our clients and to provide an ethical and professional service.

Diverse range of services

Our services extend beyond that of purely investigation. We offer post-investigative support, to guide our clients in terms of dealing with outcomes of investigations.

trusted by some big names


We understand that knowing matters. That is why we are here to help.

About Us

The Truth About the Polygraph - BY Dr. Tuvya Amsel

Dr Amsel is a senior criminal investigator and polygraph examiner with over 45 years of experience. He is the author of numerous articles, books and law enforcement manuals and regularly contributes to American and European polygraph magazines. He is routinely appointed as an expert witness on these matters and is retained by law-enforcement and intelligence agencies, amongst others.

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all your faqs answered

What is a polygraph?

The polygraph is a scientific instrument designed specifically to record various physiological changes that occur in the human body at the time case relevant questions are asked.

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how accurate is the polygraph process?

Polygraph compares favourably to other forensic tools used. It is vitally important to note, however, that the expertise of the polygraph examiner ultimately determines the success or failure of the entire process.

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are polygraph examinations and their results accepted in judicial forums?

The only test as to admissibility of any form of evidence into any given judicial forum, is relevance. Once admitted, it is up to the presiding officer to attach weight and value to such evidence.

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who uses polygraph testing?

Today, polygraph testing is used by every major law enforcement agency in the world, including the South Africa Police Service, as well as various government departments.

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Read Our articles

successful application of polygraph

How we have successfully used polygraph as an investigative tool in a variety of industries.

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voice stress analysis

Modern independent research has proven the accuracy of VSA to be no better than chance.

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how to choose a polygraph examiner

10 considerations to ensure you pick the right service provider

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