Texas Polygraph Services
“She helped me so much I couldn't thank her more she also communicates with her clients very well and try to help the best way she can I appreciate her more than anything thank you Mary from Jalyssa ♥️🩵🌸🌺”
Best Private Investigators near Montgomery, TX
These agencies serve Montgomery from nearby bases in towns including Conroe, Spring and Magnolia.
10 agencies listed · 2 open 24/7 · 4 open weekends · 7 rated 4.5+ · 5 show a license
Data verified October 15, 2026
Invictus Security and Investigations
Tri-Star Investigations & Process Service
“He was able to take on a same day last minute job no problem.”
Safesecure 360
“I will continue to contact Robert no matter where my career takes me.”
Jenkins Investigations
“He met with me numerous times, always took the time to answer my questions, and made sure our family understood what was happening throughout the process.”
Leatherneck Investigations
“Cody is extremely professional and quick and found everything I asked for in a day.”
The 10 agencies on this page are the private investigators listed for Montgomery, TX. What each one states about its license, its specialties and the areas it covers comes from its own website; ratings and quotes come from public reviews.
Area overview: Montgomery, TX
8 of the 10 agencies on this page have a rating, from 4.3 to 5.0 across 105 reviews; 7 are rated 4.5 or higher. 2 are open around the clock; 4 are open on Saturdays and 2 on Sundays. 5 show a license on their websites. 6 have ten or more years of experience, the longest 21 years. 2 offer urgent consultations and 3 offer a free initial consultation. We have a website on file for 8 of the agencies on this page; 7 publish a contact page and 3 list a public email. We count these figures across the agencies on this page; hours and prices change, so confirm the details with the agency before you book.
Which investigators listed for Montgomery describe their work online?
8 of the 10 agencies on this page have a website on file. Those pages are where an agency states its license, the kinds of investigation it takes on, and whether it works mainly for attorneys, for companies or for private clients. That last point changes how a report gets written.
Lonestar Security & Investigations
“This company has a quick turnaround time on surveillance and process serving, they are highly discrete and professional and has on-site officers.”
Checkmate Investigative Field Services
“Professional and will get the job done.”
Resultquest
Tim D. Wilson Investigations
Why these companies made our list
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