NOTE: There is no fee to join the Global Polygraph Network, but GPN does collect a referral fee for each assignment that is sent to a member or intern examiner.
GLOBAL POLYGRAPH NETWORK
Established in 1987, Global Polygraph is the world’s largest and most trusted polygraph (lie detector) company with services available at hundreds of locations by highly-trained experts all over the world. Avoid “discount” polygraph frauds and “over the phone” testing scams. We only provide real polygraphs by real examiners. Trust our A+ BBB rating, up-front pricing, and written guarantee.