Professional, Reliable, Confidential

With over 100 years of collective experience, the Investigators at Gregg Tex Investigations will utilize the most innovative methods and techniques to find the answers you are seeking, all while maintaining the utmost confidentiality.  

Call us, we can help find what you are looking for.

Longview / Tyler / Dallas/ Marshall / Henderson

East Texas and Statewide

 Criminal Defense 


A professional defense investigator is vital to ensure proper police procedures were followed and to present a thorough and complete defense in trial.

 Family Law


Infidelity concerns, pre-divorce planning or child custody situations, we utilize the technology and techniques to find answers to your suspicions.

 Computer/Cell Forensics 


Using a variety of forensic solutions, we can extract important evidence from mobile devices and computers, whether that information is deleted or not.



Who is your new boyfriend, employee or trusted person.  Find facts and know the truth.

 Fraud Investigations 


Experienced and trained, we have handled some of the most difficult investigations.



From child custody, workman's comp or spousal infidelity, we have the tools and experience to locate the evidence you need

We had a difficult case with many witnesses and a prolonged trial, but we were victorious with their help. From the very beginning until the acquittal, GTI was there...

I didn't know who to turn to. My lawyer said I didn't have the proof for my child custody case, they got me the proof.

Primary Location: 441 North Fredonia Longview, Texas 75601

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Tel: Longview/Tyler 903-309-1719

      Dallas 214-224-0447

Licensed by the Texas Department of Public Safety A19034