View Profile
Invictus Security and Investigations
“Experienced and invested.”
Best Private Investigators near Montgomery, TX
None of these agencies is based in Montgomery; they work from towns including Houston (46 mi), Conroe (14 mi) and Spring (30 mi).
24 agencies listed · 4 open 24/7 · 11 open weekends · 19 rated 4.5+ · 12 show a license
Data verified October 15, 2026
View Profile
Texas Polygraph Services
“He proved my innocence!”
View Profile
Thomas Polygraph Services
“I drove over an hour and a half just to use him because he was the only examiner in Houston who really took the time to answer my questions on the phone.”
View Profile
Safesecure 360
- Team
- Leadership
- Company
“Id rank Safe Secure360 in the good if not great column simply because the communication is great, and they treat you like you are a part of the team from day one.”
View Profile
Tri-Star Investigations & Process Service
“Through the up's and down's for young businessmen of 14 years ago and having a prior business relationship with Marc in Utah, I would strongly recommend to anyone in Texas needing security or investigations work to contact Marc Maier and his busines...”
View Profile
Jenkins Investigations
The 24 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
21 of the 24 agencies on this page have a rating, from 4.2 to 5.0 across 488 reviews; 4 have 50 or more reviews and 19 are rated 4.5 or higher. When clients rate these agencies on specific qualities, they most often praise professionalism (97%), responsiveness (78%) and quality (58%). The topics that come up most in reviews of the agencies on this page are "communication" and "price". 4 are open around the clock; 11 are open on Saturdays and 5 on Sundays. The services the agencies on this page list most often on their websites are background investigations (2), criminal defense (2), executive protection (2), private investigation (2) and process service (2). 12 show a license on their websites and 1 has a BBB rating of A or A+. 15 have ten or more years of experience, the longest 33 years. 5 offer urgent consultations and 5 offer a free initial consultation. We have a website on file for 23 of the agencies on this page; 21 publish a contact page and 13 list a public email. We count these figures across the agencies on this page; distances are straight-line, and hours and prices change, so confirm the details with the agency before you book.
Which investigators listed for Montgomery describe their work online?
23 of the 24 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.
View Profile
CRS Process Servers
- Stars
- Price
- Citation
“Very detailed got to work as soon as I inquired about the service and very professional I definitely recommend Ryan he's top notch and would definitely use him again.”
View Profile
GPI Defense
- Individual
- Team
- Owner
““GPI Defense has both been a major contributor to Emissary Group's success regarding executive protection and without fail, has been an invaluable resource to work with and for.”
View Profile
Leatherneck Investigations
- Divorce
- Honest
- Information
“I called and talked to Cody and was given full information about how we could approach our situation even before we agreed to sign up for any services.”
View Profile
International Specialized Investigations
- Company
- Pay
- Job
“I was in over my head on a case in Ecuador & International Specialized Investigations not only taught me valuable information but went beyond their due diligence to help me find the information I needed to move forward on my case.”
View Profile
Checkmate Investigative Field Services
“Professional and will get the job done.”
View Profile
Markham Investigations
View Profile
Resultquest
View Profile
Lonestar Security & Investigations
“If you're looking for an up-kept, well organized, responsible, and professional security team, Lonestar is your answer.”
View Profile
Kelmar Global
View Profile
Tim D. Wilson Investigations
View Profile
Advanced Investigative & Screening Solutions
- PI
- Information
- Humor
“Very interesting conversation when you cannot get the police to help you after a grand theft Auto case with a side of ten years of harassment and defamation and no restitution”
View Profile
Gradoni & Associates
- Number
- Information
- Questions
“Twice I've had yo use Gardoni and Associates and both times they were successful in less than 24 hours when process servers and constables couldn't get the job done.”
View Profile
My Armor Services
- Officer
- Company
- Organized
“What's more is that the officers were so calm, compassionate and encouraging to me, and extremely patient and caring for my son, who was outright disrespectful to them and put up a fight.”
View Profile
Atlas Security & Investigations
- Company
“She treated her supervisors and colleagues with respect (especially me), but she would never associate with anyone who did not exhibit similar good values and morals.”
View Profile
Metropol Security Services
View Profile
Tillery Investigations
“They also called us to update us and inform us when there was an emergency situation they were witnessing which allowed us to get things filed quickly.”
View Profile
US Security Investigations
“Good customer service”
View Profile
Asset Locate Services
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
