Polygraph Testing
How polygraph testing protects your business
You suspect something’s wrong, but you can’t act on a hunch. You need facts. Quickly. Quietly. Legally.
That’s where we come in.
At G17 Polygraph, we help businesses uncover the truth through professional, confidential polygraph testing. Whether it’s tackling internal theft, exposing dishonest employees or vetting new hires, we provide clear results so you can make informed decisions and protect your business from within.
Diesel Theft
Stock Theft
Livestock Theft
Hijackings
Pinpoint employee involvement in insider-assisted hijackings.
Recruitment
What sets G17 Polygraph apart?
Military precision
With 17 years of military service, our founder brings a level of discipline, attention to detail, and reliability that few can match.
Always on time
We respect your time and the urgency of your situation. That means no delays, no excuses, just efficient, on-schedule service every time.
Highly trainined and certified
Trusted with the truth
Proven results

We’ve utilised G17 Polygraph Services on two occasions and highly recommend G17 Polygraph Services for their effective and efficient solutions.
Mariolette, HR Manager, SX Fuels
Since implementing periodic polygraph tests, the livestock theft problem has ceased. I highly recommend G17 Polygraph for their effective services.
Mr. Krugel, farmer
I’m thrilled to report that after implementing G17 Polygraph’s solutions, we’ve had no diesel theft incidents for over a year. I highly recommend G17 Polygraph to anyone facing similar challenges.
Mr. Jordaan, farmer