Pre-Employment Screening
Ensure trust from day one. Truth verification, detect hidden risks, and protect your company culture with thorough voice stress screening.
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Francois Celliers SAMDIA provides expert polygraph and voice stress testing for employers, legal teams, and private clients. Secure, confidential, and highly accurate results.
About Francois Celliers
Uncertainty can create stress, conflict and unnecessary risk.
Francois is an associate member of the South African Bio-Feedback and Voice Polygraph Association (SAPAVSA), the controlling body for the polygraph industry which requires members to follow a code of conduct. The examiner adheres to the stringent ethical codes governing the polygraph profession.
Certified expertise in polygraph examinations and advanced voice stress analysis.
Absolute confidentiality and adherence to the highest ethical and legal standards.
Core Services
Ensure trust from day one. Truth verification, detect hidden risks, and protect your company culture with thorough voice stress screening.
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Resolve workplace theft, fraud, and disputes swiftly. Our targeted polygraph exams identify deception and direct internal investigations.
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Advanced verbal deception detection, complete with comprehensive confidential written reports.
Inquire NowWhy Choose Us
Data-driven analysis utilizing state-of-the-art polygraph and voice stress technology.
All exams and consultations are conducted under the utmost confidentiality.
Receive detailed, easy-to-understand written reports quickly to inform your decisions.
We strictly adhere to industry guidelines, ensuring fairness and respect for all examinees.
Confidential Inquiry
Contact us to discuss your specific polygraph or voice stress testing requirements. Our team will respond promptly to arrange a secure assessment.