info@polyservice.co.zaTel: +27 (0) 76 187 1139
Office Hours: 09:00am - 17:00pm

About Us

When it comes to something as important as a company or individual’s reputation, you don’t want the cheapest you want the best
We are internationally acclaimed Johannesburg based company that specialises in Forensic Polygraph Examinations and Personnel Evaluations.

Our examiner works strictly in accordance to international standards prescribed by the American Polygraph Association.

Known for a high confession rate and by way of thorough interviewing skills complement investigators and HR to conclude an investigation with the highest success rate.

Why Choose Us?

Full Member of the American Polygraph Association

Full members of the Association are those persons who have:

  1. Graduated from an APA accredited school within the United States.
  2. Completed not less than two hundred (200) actual polygraph examinations using a standardised polygraph technique as taught at an APA accredited school.
  3. Received a Baccalaureate Degree from a college or university accredited by a regional accreditation board.

Qualifications & Experience

The most important factors to take into consideration when selecting a polygraph examiner are the examiner’s education, ability, experience, and most importantly his integrity.

Our highly qualified, internationally trained polygraph examiner, Mr. Jánn Oosthuizen, has over 24 years of experience.

He successfully completed his polygraph training as a Forensic Psychophysiologist at the highly acclaimed Argenbright International Institute of Polygraph, Atlanta Georgia (USA) and is a full member of the (APA) American Polygraph Association and
(SAPFED) Southern African Polygraph Federation.

Comprehensive Statements

A comprehensive statement is considered an indispensable component of the polygraph test and is obtained from all our examinees during the pre-test interview stage of the polygraph test. The purpose of the statement is to garner as much information as necessary to prepare the test questions and gather useful information that can assist with the investigation. This also gives the examinee an opportunity to explain in their own words their knowledge and or possible involvement in the incident under investigation.

Experienced Expert Witness

Our examiner, Mr. Jánn Oosthuizen, has been successfully utilized as an Expert Witness in many cases at both the CCMA and Labour Court. His confidence, experience, knowledge, and work ethic have proven to stand up against any challenges provided regarding the polygraph credibility, reliability, accuracy, procedures and protocols.

About Our Company

Achieved by our highly qualified, internationally trained Polygraph examiner, with 24 years of experience. All Polygraph Examinations are strictly conducted in accordance with Polygraph procedures and protocols prescribed by the (APA) American Polygraph Association.
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