Covert Results
“Diana was able to ascertain the needed information for a private family matter with confidentiality and poise.”
Best Private Investigators in Nashville, TN
12 agencies listed · 10 in Nashville · 6 open 24/7 · 7 open weekends · 10 rated 4.5+
Data verified October 18, 2026
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Larkins Investigations
“I will recommend them for any investigative needs and using their services in the future.”
Stillwatch Investigations
“Not only did I get a response in under 5 minutes they answered my questions and provided results in under 20 min!”
Callahan & Associates
“My child's best interests were safeguarded because of the solid evidence that their team generated.”
Michael Sawyer Polygraph Services
“Taking a polygraph test already makes you nerves, however he makes it very comfortable.”
AK Investigations
“Highly recommend this firm; everyone I worked with went above and beyond!”
The 12 agencies on this page are the private investigators listed for Nashville, TN. 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: Nashville, TN
10 of the 12 agencies we list are based in Nashville; the other 2 serve Nashville from Madison (9 mi) and Franklin (18 mi). 10 of the agencies on this page have a rating, from 4.8 to 5.0 across 495 reviews; 4 have 50 or more reviews. When clients rate these agencies on specific qualities, they most often praise professionalism (98%), responsiveness (90%) and quality (73%). 6 are open around the clock and 7 are open on weekends. 3 show a license on their websites and 2 have a BBB rating of A or A+. 9 have ten or more years of experience, the longest 22 years. 6 offer urgent consultations and 2 offer a free initial consultation. We have a website on file for all 12 of the agencies on this page; 11 publish a contact page and 8 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.
Do investigators listed for Nashville discuss a case free?
2 of the 12 agencies state that a first consultation costs nothing. Use it to describe the problem and hear whether the work can be done lawfully at all. A straight agency will sometimes tell you on that call that what you want cannot be obtained, which saves you a retainer.
Tscm Special Ops Group
“Mitch was able to explain the law regarding illegal digital surveillance that has caused a lot of undeserved trouble for a family member.”
The Jacobs Group, Private Investigator
“I can't thank you enough for the hard work you and Zach put in looking for her.”
The Watchmen Group Investigations
Confirm Choice Background Screening
BWI Investigations - Forensics
“His highly specialized and effective analysis of audio video evidence was instrumental in convincing prosecutors to not pursue charges against my client.”
Wright Fire & Forensics
Why these companies made our list
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