903 574-4825

Polygraph and Investigations, LLC. conducts polygraph test in the Dallas-Fort Worth Metroplex 

Basic Polygraph Exams in Ft Worth, Texas…$300 – $400 (7 days per week)

Criminal Polygraph Exams in Ft Worth, Texas…$500 (7 days per week)

Polygraph Exams in Dallas, Texas…$700 (weekdays only)

Polygraph Exams in Denton, Texas…$700 (weekdays only)

*Dallas and Denton require non-refundable full payment in advance when scheduling – Cash App, Venmo, Zelle

Law Enforcement Pre-Employment              $125 – contracting price

Post Conviction Sex Offender Testing          $200 – contracting price

Tournament Testing                                                 Call for special pricing

Civil Process Services                                             $75  (Tarrant County)

*All pricing is subject to adjustment dependent upon location of services

Our wonderful customers are the reason we’re in business. Here are some of the great things people have said about the services of Global Polygraph Network.

  • I am so happy to have met you. It is obvious you are an honest and good person [and that] you worship the truth. Thank you so much for helping me and I will recommend you to anyone seeking the truth be told. Thanks again for everything, it was worth every cent and more, much more.

  • The examiner has been very helpful & flexible when it came to the scheduling of the appointment & he was very informative about everything to expect for the polygraph exam. I am pleased with how we have communicated & I will keep him on records, in which I’d ever need to go through this situation again.

  • Thank you again! I can’t express how much [these results mean to my family and me.

  • Thank you so much. I am hopeful that this will allow us to move forward with a healthier relationship. I thank you very much for your friendly yet professional demeanor. You made an uncomfortable situation as comfortable as it could be. I would absolutely recommend your services.

    Thank you so much you saved our marriage I’m balling crying! I will definitely recommend you to anyone who needs your help. Thank you, you are a true blessing.

    Thank you so much for being able to see me and perform this test. I’m sure you can imagine how relieved I am to now have proof that I can show my husband. Unfortunately, he will find some reason to discount this. But I have done now absolutely everything I can to try to convince him of my loyalty. Thank you again.

  • I’d like to thank you again for your professionalism. Your demeanor certainly put my husband at ease, and I know that made a difference. We were both extremely impressed and would definitely recommend you to others. I spoke with our attorney this morning, and he was also thrilled with the news. He plans to use your report for our case.


  • Thank you for your capable and professional services.

  • I just wanted to take the opportunity to thank you for your time and patience in developing the appropriate questions for this test. These years have proven to be very difficult in me having a relationship with my son. I hope this will be a start for me to pave the way to reconnect with my son.

    I would like to thank you for the polygraph test you did for me last September. It went along way in helping me to cope with the accusations I was facing. My daughter has recanted and we have repaired our relationship. I do not believe It would have ever happened without your services. It must be very hard work to deal with what you do. Once again I would like to thank you and feel free to use this testimonial to encourage others that the truth will prevail.

  • I was most satisfied with the service provided.

  • We wanted to express our thanks. I just wanted to thank you for your time and efforts on Sunday. Your professionalism and expertise made the experience easier and less stressful. We believe this report will be useful to helping [my wife] regain some of her integrity back from this situation.

  • Thank you, I suspected this was the truth, but still it hurts to read.

  • Thank you for the report. I am pleased with the results. With out this test we wouldn’t be able to move forward, I am very grateful. Hope to have another 19 years with my wife.

  • Although this process was extremely stressful, I am pleased with the results. I admire and respect your professional expertise!

  • Thank you so much for performing the examination! It’s a relief to finally get some answers around here and move forward. It means a whole lot to me and I appreciate all of your effort!

  • Thanks so much. Obviously I am very happy with the results as I’m sure my wife will be when I tell her (immediately after I finish this email). I must say that even though this was an extremely stressful situation, as I’m sure you are aware, your professionalism and understanding made the examination much more bearable and at this point I can say it was certainly a pleasure to meet you.