Trust the Experts in Lie Detection
Global Polygraph Network (GPN) is the world's largest referral resource for private polygraph (lie detector) testing, offering services at more than 500 different testing locations worldwide. Our team of expert examiners is dedicated to providing accurate and reliable polygraph services to individuals, organizations, and government agencies.
Our Mission
Our mission is to provide high-quality polygraph services that exceed our clients' expectations. We strive to maintain the highest level of professionalism, integrity, and expertise in the industry. We are committed to helping our clients make informed decisions by providing accurate and reliable polygraph results.
Our Services
We offer a wide range of polygraph services, including criminal defense testing, relationship testing, sporting tournaments, sex offender testing, child abuse issues, immigration testing, employment testing, and government contracting. Our team of expert examiners is trained to handle complex cases with discretion and professionalism.
Why Choose GPN?
At GPN, we take pride in our team of expert examiners who are graduates of APA Accredited Schools and have undergone thorough screening and quality control reviews. We only use APA Validated testing methods to ensure the highest level of accuracy and reliability. Our commitment to excellence and customer satisfaction sets us apart from other polygraph service providers.

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