Polygraph Technologies has been a recognized name in the Johannesburg and Pretoria Polygraph industry for over 8 years. Polygraph Technologies does various Polygraph Tests and use the most advanced Polygraph Equipment in the Polygraph Industry. The Polygraph Tests is used by the Retail Sector, Security Sector, Hotel Groups Filling Stations and almost any business you can think of. Polygraph Technologies has a very high reputation in the industry and is very competitive in pricing. We are not the cheapest we are the Best!!!