Private Polygraph Test Prices 2025: Comprehensive Breakdown of Private Lie Detector Test Cost & Private Investigator Polygraph Fees in Pretoria, East, North, West, Centurion & Tshwane
Curious about the cost of uncovering the truth in South Africa? Let’s explore lie detector test prices across the country. We’ll examine the factors that influence these costs in Johannesburg, Pretoria, and other major cities.
This guide aims to inform you before booking your next polygraph examination. You’ll learn about various pricing options for different types of tests.
In 2025, polygraph testing prices in South Africa range from R550 to R4000. Basic tests start at R550, while complex corporate fraud investigations can cost up to R4000 – Contact us
Pre-employment screening, crucial for many hiring processes, typically costs between R1000 and R2000. Infidelity tests, for personal matters, are priced from R1500 to R3000.
We offer bulk discounts for multiple tests, with prices as low as R650 per test. Urgent or weekend services may incur additional charges of R500 to R1000.
Travel expenses for services outside central Johannesburg vary depending on the distance. Our experienced examiners ensure accuracy rates between 88-92%, surpassing industry standards.
We provide 100% confidential on-site testing with ACFE registered examiners. Our team uses advanced technology for the most reliable results.
We’re here to offer professional, trustworthy, and affordable polygraph services across South Africa. Let’s find the right solution for your truth verification needs.
Understanding Professional Polygraph Services in South Africa
Professional polygraph services in South Africa play a crucial role in truth verification. They offer confidential assessments for personal, corporate, and legal matters. These services provide reliable results across various sectors.
What Makes a Professional Polygraph Service
Professional polygraph services prioritise accuracy and confidentiality. They use advanced technology and certified lie detection specialists. Trusted facilities have state-of-the-art equipment to measure physiological responses during questioning.
The Role of Accredited Examiners
Accredited polygraph examiners are essential for reliable results. They undergo rigorous training to become skilled in truth verification. Many examiners are registered with the Association of Certified Fraud Examiners (ACFE).
Coverage Areas and Accessibility
Professional polygraph services are available in major South African cities. These include Johannesburg, Pretoria, and Cape Town. On-site testing is offered for convenience, bringing expertise directly to clients.
| City | Average Cost | Price Range |
|---|---|---|
| Johannesburg | R2,500 | R750 – R5,000 |
| Pretoria | R2,700 | R1,000 – R5,000 |
| Cape Town | R2,800 | R1,000 – R5,500 |
Private Polygraph Test Prices
Knowing the cost of private polygraph tests in South Africa is vital. We’ve broken down the pricing to help you choose wisely. Our aim is to offer clear, competitive pricing for all polygraph services.
Standard Test Pricing Structure
Polygraph test costs in South Africa vary by type and complexity. Standard tests range from R750 to R2,500. Voice Stress Analysis, a simpler option, costs R700.
| Test Type | Price Range |
|---|---|
| Voice Stress Analysis | R700 |
| Standard Polygraph Test | R750 – R2,500 |
| Pre-employment Screening | From R1,250 |
| Complex Tests (e.g., Criminal Investigations) | Up to R2,500+ |
Corporate and Bulk Testing Rates
Businesses needing multiple tests can benefit from better rates. We offer discounts for orders of 10 or more tests. This can greatly reduce the booking price for polygraph tests.
Special Service Surcharges
Extra fees may apply for urgent requests, weekend services, and on-site exams. Infidelity testing prices vary due to their sensitive nature. These are priced case by case.
Payment Methods and Booking Deposits
We provide various payment options to suit your needs. A deposit is usually needed to secure your appointment. The balance is due on the testing day.
Written consent is required for all polygraph tests in South Africa. This aligns with constitutional requirements.
Our aim is to provide transparent and competitive pricing for all polygraph services, ensuring you receive accurate results from certified examiners.
Types of Polygraph Tests and Their Costs
Our polygraph tests cater to various needs. Pre-employment screenings cost between R1000 and R2000, offering employers an affordable tool. Infidelity lie detector tests range from R1500 to R3000, providing reassurance to worried partners.
Corporate and legal cases require more complex exams. Employee theft and criminal case polygraphs cost R2500 to R4000. These higher fees reflect the increased complexity and documentation needed.
Our pricing is clear and competitive, showing our dedication to quality results. With 23 years of experience and over 25,000 exams done, we guarantee value across all services.
| Test Type | Price Range |
|---|---|
| Pre-employment Screening | R1000 – R2000 |
| Infidelity Test | R1500 – R3000 |
| Corporate Fraud/Employee Theft | R2500 – R4000 |
| Criminal Case Support | R2500 – R4000 |
We also provide specialised services for businesses and individuals. These include periodic maintenance tests and specific issue examinations. Our tailored solutions ensure each client gets the most suitable polygraph test for their unique situation.
The Science Behind Modern Polygraph Testing
Modern polygraph testing has become a sophisticated method of scientific lie detection. It uses advanced technology to measure multiple body responses during questioning. This approach enhances the accuracy of detecting lies through physical changes.
Advanced Technology in Truth Verification
Our polygraph exams use cutting-edge equipment to monitor various bodily functions. These include heart rate, blood pressure, breathing patterns, and skin conductivity. This comprehensive approach allows for a more detailed analysis of a person’s responses.
Measuring Physiological Responses
During a polygraph test, we record and analyse several key physical indicators. These include cardiovascular activity, breathing rate, skin response, and body movements. These measurements form the basis of forensic psychophysiology.
- Cardiovascular activity
- Respiratory rate
- Electrodermal response
- Body movements
By monitoring these indicators, we can spot subtle changes that might suggest deception. This method allows for a more accurate assessment of truthfulness.
Accuracy and Reliability Factors
The accuracy of polygraph tests has been thoroughly researched. Recent studies show high accuracy rates for different types of polygraph tests. Event-specific diagnostic polygraphs have a mean accuracy of 0.89, while multi-issue screening polygraphs average 0.85.
| Test Type | Mean Accuracy | 95% Confidence Range |
|---|---|---|
| Event-specific diagnostic | 0.89 | 0.83 – 0.95 |
| Multi-issue screening | 0.85 | 0.77 – 0.93 |
Several factors can affect the reliability of polygraph tests. These include the skill of the examiner and the specific testing method used. We use both Control Question Test and Guilty Knowledge Test methods to improve reliability.
Benefits of Professional Polygraph Testing
Professional polygraph testing offers many perks for individuals and organisations. Our credibility assessment services provide swift, cost-effective solutions for various situations. With a 98% success rate in corporate settings, these integrity tests are crucial for resolving disputes.
Our truthfulness assessment protocol is highly accurate. Traditional polygraph tests boast 90% to 97% accuracy. Our EyeDetect technology achieves an impressive 98.90% accuracy. This reliability makes polygraph results admissible in CCMA cases, offering supporting evidence.
Our psychological stress evaluation techniques have a 95% success rate in resolving internal theft cases. Polygraph testing fosters honesty, helping businesses save time and resources. It prevents lengthy investigations and promotes a trustworthy work environment.
- Quick truth verification
- Cost-effective investigations
- Prevention of dishonest hires
- Resolution of personal and professional disputes
- Supporting evidence in legal cases
We’ve conducted over 1000 polygraph tests with 100% client satisfaction. Our services have consistently proven their worth. Professional polygraph testing offers reliable, efficient solutions for truth verification needs.
The Testing Process and Duration
The polygraph exam is a thorough truth verification process. We’ve split it into three key phases for clarity. This breakdown helps you understand what to expect during a lie detector test.
Pre-Test Consultation
Before the test, we conduct a pre-test consultation. This step involves completing documents and discussing the procedure. It helps ease any worries and prepares you for the main exam.
Main Examination Phase
The main polygraph test typically lasts 60-90 minutes. You’ll be connected to sensors that measure various physical responses. Our examiners record at least three charts during this time.
Each question is followed by a 25-second recording of your body’s reactions.
Results Analysis and Reporting
After the test, our experts analyse the polygraph results. We prepare a detailed written report within 12-24 hours. This quick turnaround ensures you get timely insights from your assessment.
At Spot On Polygraph, we maintain high accuracy standards. Our qualified examiners achieve about 98% accuracy in real cases. With 28 years of experience, we provide reliable polygraph testing.
Service Coverage Areas in South Africa
Our polygraph testing services cover all of South Africa. We offer comprehensive coverage, focusing on major cities and surrounding areas.
Johannesburg Metropolitan Area
We provide extensive coverage in Johannesburg and nearby regions. Our polygraph test Soweto pricing starts at R795 for mobile services.
We also serve Sandton, Randburg, and Midrand. These areas have convenient options for clients across the city.
Pretoria and Surrounding Regions
Our services extend to Pretoria and nearby areas. We offer tests at our Spot On Offices for R695 per person.
For at-home testing, we charge a R550 travel fee. This applies to areas within 100 km of Pretoria.
Other Major Cities and Regions
We cater to clients across South Africa, including Cape Town, Durban, and Port Elizabeth. Our East Rand and West Rand polygraph rates remain consistent with standard pricing.
For the Vaal Triangle, lie detection prices include a travel fee. It’s R595 for areas within 150 km of Johannesburg CBD.
For long-distance travel beyond these regions, we charge R6.50 per kilometre. Our mobile services ensure that remote clients can access professional polygraph testing.
| Service Area | Office Test Price | Mobile Test Price | Travel Fee |
|---|---|---|---|
| Johannesburg Metro | R695 | R795 | R595 (0-150 km) |
| Pretoria Region | R695 | R795 | R550 (0-100 km) |
| Other Major Cities | R695 | R795 | R6.50/km (long-distance) |
We offer widespread coverage and flexible pricing for polygraph testing across South Africa. Our services are just a call away, no matter where you are.
Conclusion
Professional polygraph services are crucial for truth verification in South Africa. Our trusted service uses cutting-edge equipment to deliver accurate results. We offer tailored solutions with prices from R3000 to R5500 for various needs.
Our expert practitioners aim for 90% accuracy in detecting truthful responses. Examinations typically last 1.5 to 3 hours for optimal results. We maintain ideal testing conditions, including proper room size and temperature control.
Polygraph results aren’t admissible in court but remain valuable in many sectors. Government agencies and law enforcement use our services for pre-employment screenings. We provide confidential, ethical examinations across major South African cities.
