Sundown Security
“Having been the point of contact and communication, I appreciated their understanding, patience, and professionalism.”
Best Private Investigators in Arlington, TX
15 agencies listed · 6 in Arlington · 3 open 24/7 · 8 open weekends · 11 rated 4.5+
Data verified October 15, 2026
Tracie Investigations
“I have used Tracie Investigations twice and both times they were efficient and quick.”
Alliance Investigations
“He handled everything very quickly and got everything that we needed to make decisions.”
Major Paperwork
Qualified Investigations
“If you find yourself in need of a private investigator in Arlington or surrounding areas in Texas, I highly recommend Chris and Qualified Investigations.”
Atex Investigation
The 15 agencies on this page are the private investigators listed for Arlington, 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: Arlington, TX
6 of the 15 agencies we list are based in Arlington; the other 9 serve Arlington from towns including Richland Hills (10 mi), Colleyville (12 mi) and North Richland Hills (12 mi). 14 of the agencies on this page have a rating, from 4.1 to 5.0 across 337 reviews; 1 has 50 or more reviews and 11 are rated 4.5 or higher. 3 are open around the clock; 8 are open on Saturdays and 4 on Sundays. 8 show a license on their websites and 1 has a BBB rating of A or A+. Domain records put 8 websites of the agencies on this page at ten or more years old; the oldest dates from 2010. 3 offer urgent consultations; 1 offers remote or virtual consultations and 5 offer a free initial consultation. We have a website on file for all 15 of the agencies on this page; 14 publish a contact page; 10 list a public email and 1 takes bookings online. 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 Arlington describe their work online?
All 15 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.
BIS Investigation Services
“The help that I needed was beyond what he could provide but he refused to accept any payment and offered advice to help me.”
Stonewall Protection Group
“We recently hired Stonewall to provide security at a corporate event and they were excellent!”
Red Door Investigations
“He is honest and will take the time to answer your questions, as well as explain what he legally and logistically can/cannot do for you.”
All Access Investigations
“Greg turned a difficult situation into a positive outcome that gave us the needed ammo to move forward.”
DNA Security Services
“Ian has taken great care of my security needs at my salons for 14 years.”
Stiletto Spy & Company Investigations
“Hope you never need them, but I recommend them if you do.”
Morrison Investigations
“I would highly recommend their services and would definitely choose them again if we ever needed any additional surveillance.”
JKE Texas Private Investigations
“I had a job that located my friend , and will did in less than 5 hours with great results”
Tridentity Services - Private Investigator Dallas
“I really appreciate the work he is doing, and will refer him to anyone I know that needs this type of work done knowing they will be happy with the results!”
Why these companies made our list
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