Popular Cities
3 of these agencies are based in McKinney; the others serve McKinney from towns including Dallas (29 mi), Plano (11 mi) and Allen (6 mi).
8 open 24/7 · 13 open weekends · 22 rated 4.5+ · 11 show a license
Data verified October 21, 2026
The 24 agencies on this page are the private investigators listed for McKinney, 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.
23 of the 24 agencies on this page have a rating, from 3.8 to 5.0 across 474 reviews; 4 have 50 or more reviews and 22 are rated 4.5 or higher. When clients rate these agencies on specific qualities, they most often praise professionalism (100%), quality (73%) and responsiveness (68%). 8 are open around the clock; 13 are open on Saturdays and 9 on Sundays. 11 show a license on their websites and 2 have a BBB rating of A or A+. Domain records put 11 websites of the agencies on this page at ten or more years old; the oldest dates from 2000. 8 offer urgent consultations; 3 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for 22 of the agencies on this page; 18 publish a contact page; 18 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.
3 of the 24 agencies have an address in McKinney. The others come from other towns. Investigators travel to the subject, so an office one county over is rarely the issue. State licensing is the thing to check.
