Conviction Integrity Group
“For someone dealing with a post-conviction case, having people actually investigate instead of just making promises makes a huge difference.”
Best Private Investigators near McKinney, TX
2 of these agencies are based in McKinney; the others serve McKinney from towns including Plano (11 mi), Allen (6 mi) and Frisco (9 mi).
4 open 24/7 · 8 open weekends · 12 rated 4.5+ · 6 show a license
Data verified October 21, 2026
John Demny Private Investigations
“Excellent, quick and professional job .”
Blackfish Intelligence
“Not only was he incredibly professional and reassuring during the whole process, but he has gone out of his way to remain supportive even when I texted him out of the blue after a year.”
Private Investigation Endeavors
“For the last 3 years, they've walked with me through some of the darkest times of my life while I was facing a 1st degree murder charge.”
Sky Investigations
“I am super pleased with Sky Investigations LLC, They have been most helpful in retrieving the information needed to help me with a problem I have.”
Axis Investigative Services
“They always accomplish what we need done.”
The 14 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.
Area overview: McKinney, TX
13 of the 14 agencies on this page have a rating, from 4.4 to 5.0 across 266 reviews; 1 has 50 or more reviews and 12 are rated 4.5 or higher. 4 are open around the clock; 8 are open on Saturdays and 5 on Sundays. 6 show a license on their websites and 1 has a BBB rating of A or A+. Domain records put 4 websites of the agencies on this page at ten or more years old; the oldest dates from 2000. 4 offer urgent consultations and 2 offer a free initial consultation. We have a website on file for 12 of the agencies on this page; 11 publish a contact page; 9 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.
Why are investigation agencies outside McKinney shown here?
2 of the 14 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.
Expro Security & Investigations
“Expro ran our asset protection at Belk Outlet in Sherman, Texas for May-June 2023 and did such an amazing job!”
Nighthawk Investigations
“Needed it pretty quickly handled and handled quickly, professionally, with step by step updates the entire short term way!”
Preferred Intelligence
“I had a problem that needed his expertise and he came throgh timely and accurately.”
Menz Investigation Services
“He doesn't just take the assignment and run with it; he takes the time to listen, ask the right questions, understand exactly what I'm trying to accomplish, and identify what I actually need.”
4 Star Private Investigations
“He even got another agency involved that served this man that couldn't be found by countless others in the field.”
MI:33
Dallas Ring Finders
“They are really good at what they do and I would highly recommend them I lost my class ring in Lewisville lake and they where pretty quick to action on they where very dedicated to finding it and I am so glad they did.”
Lone Star Detective Agency
Why these companies made our list
What clients say about agencies near McKinney
- “Exceptional service! I hired this private investigator to help locate a missing family member, and they exceeded my expectations.” — client of Sky Investigations
- “I highly recommend their services to anyone in need of a skilled and reliable private investigator.” — client of Private Investigation Endeavors
- “Paul’s extensive knowledge and background in law enforcement and especially child abuse cases made it an easy choice for us when choosing a private investigator for our need.” — client of 4 Star Private Investigations
Excerpts from public reviews of the agencies listed on this page.
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