Polygraph Testing

Trust isn’t optional. It’s essential.

How polygraph testing protects your business

You’re running a business, not an investigation unit. Yet here you are, watching fuel costs spike without explanation, dealing with missing stock or questioning the story behind a so-called “hijacking.” Maybe you’ve just hired someone and things already don’t feel right.

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

Identify internal fuel theft with targeted polygraph testing.

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Stock Theft

Investigate missing inventory and minimise future losses.

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Livestock Theft

Protect your agricultural assets with regular screening.

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Hijackings

Pinpoint employee involvement in insider-assisted hijackings.

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Recruitment

Pre-employment screening prevents bad hires and uncovers false CV claims.

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What sets G17 Polygraph apart?

At G17 Polygraph, we don’t just run tests. We deliver clarity when your business needs it most. Here’s why companies across South Africa trust us when the stakes are high:

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Military precision

With 17 years of military service, our founder brings a level of discipline, attention to detail, and reliability that few can match.

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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.

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Highly trainined and certified

We’re backed by professional qualifications, including training from the American Polygraph Association and full PSIRA registration.

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Trusted with the truth

We operate with total confidentiality, integrity and respect. That’s not just a promise, it’s the foundation of every client relationship we build.

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Proven results

Our work leads to real-world confessions, stronger hiring decisions and fewer losses. When you need the truth, we help you find it.

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

Take Action

Don’t let suspicion drain your business. Book a professional polygraph consultation today.

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Get in Touch

Message Us

Call Us

072 416 7142

Email Us

info@g17polygraph.co.za