Best Private Investigators in Knoxville, TN

13 agencies listed · 8 in Knoxville · 6 open 24/7 · 8 open weekends · 12 rated 4.5+

Data verified October 18, 2026

We are still growing

There are too few quality options within 12.5 miles radius, so we have expanded area of coverage to up to 200 miles from you. This includes Knoxville and several other cities.
Vision's Private Investigations

Vision's Private Investigations

(48)
  • Results
  • Company
  • Job
“When I concluded my business I told them that it was extraordinary and they asked me what the difference between ordinary and extraordinary was and I said I didn't know, they replied a little extra.”
Emergency Services
In Business Since 2013
Free Initial Consultation
Licensed
4813 N Broadway St, Knoxville, TN
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Kendall Investigations

Kendall Investigations

(25)
  • Knowledge
  • Expert
  • Questions
“Thank you Ken for your help, you made a awkward situation very pleasant and your resume is hands down the best in the industry, your integrity is as amazing as your resume, thank you again for all your help and assistance.”
In Business Since 2006
11167 Kingston Pike, Knoxville, TN
i
Tennessee Court Services

Tennessee Court Services

(9)
  • Company
“Jackson is an honest trustworthy person who will do what he says when he says it always on time and very courteous to everyone I would highly recommend him to anyone in need of his services”
In Business Since 2014
Emergency Services
1059 N Cedar Bluff Rd Suite 109, Knoxville, TN
i
Gary Litton Investigators

Gary Litton Investigators

(5)
“I have had many dealings with Gary Litton and his wife Kim.”
In Business Since 2007
Emergency Services
137 E Young High Pike #9351, Knoxville, TN
i
Lamb Investigations

Lamb Investigations

(1)
“It was a professional office and Mr.”
In Business Since 2008
BBB Rating: A+
6900 Hospitality Creek, Knoxville, TN
i
Barry L Rice Investigations

Barry L Rice Investigations

(2)
“Barry was able to give me great advice right off the bat and has a great network of professionals to make sure that the right person is doing the job for you!”
In Business Since 1995
103 Suburban Rd Suite 201, Knoxville, TN
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The 13 agencies on this page are the private investigators listed for Knoxville, 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: Knoxville, TN

8 of the 13 agencies we list are based in Knoxville; the other 5 serve Knoxville from Cleveland (75 mi), Clinton (13 mi) and Oak Ridge (16 mi). 12 of the agencies on this page have a rating, from 4.6 to 5.0 across 171 reviews; 1 has 50 or more reviews. 6 are open around the clock; 8 are open on Saturdays and 6 on Sundays. 2 show a license on their websites and 1 has a BBB rating of A or A+. 8 have ten or more years of experience, the longest 31 years. 6 offer urgent consultations and 2 offer a free initial consultation. 2 have Spanish-speaking staff. We have a website on file for 11 of the agencies on this page; 7 publish a contact page and 9 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 Knoxville describe their work online?

11 of the 13 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.

The Consulting Detective

The Consulting Detective

(1)
“Needed a search done on a family member that I hadn't seen or heard from in 15 years.”
9039 Cross Park Dr #34045, Knoxville, TN
i
Ham Investigations

Ham Investigations

(27)
  • Expertise
  • Results
  • Know
“Ham Investigations is dependable and trustworthy and has been able to meet all deadlines imposed and we trust the majority of our cases to the Ham team.”
In Business Since 2005
603 W Main St, Knoxville TN
i
Premier Protection & Investigations

Premier Protection & Investigations

(11)
“Premier almost always retrieves lawsuits or subpoenas that require service of process on the date we call them (unless it's late and then they pick it up early the next morning).”
Se Habla Español
In Business Since 2011
Accepts All Major Credit Cards, Cash, Check, Invoicing available
Clinton, TN · 13 mi from Knoxville
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Applied Investigations

Applied Investigations

In Business Since 2018
Licensed
Oak Ridge, TN · 16 mi from Knoxville
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Server Investigation Service

Server Investigation Service

(9)
“I worked with Michael in police investigations and he has always been tenacious at figuring out what happened and provided complete, accurate, and concise reports!”
In Business Since 2020
Emergency Services
Cleveland, TN · 75 mi from Knoxville
i
Bradley PI

Bradley PI

(8)
  • Truth
“They instantly grasped the scope and importance of my situation and ran my scoundrel down in less than a week.”
Free Initial Consultation
In Business Since 2021
Se Habla Español
Emergency Services
Cleveland, TN · 75 mi from Knoxville
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Bulletproof Investigations

Bulletproof Investigations

In Business Since 2022
Emergency Services
Cleveland, TN · 75 mi from Knoxville
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Private Detective Services in Knoxville, TN Cost Estimates

Minimum cost
$364
Maximum cost
$11519
National Average
$1455
Avg Per Hour Rates
$152
$849
$2425
Typical price range is based on 448 cost profiles
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Average Cost $1455
Minimum cost $364
Maximum cost $11519
Avg Per Hour Rates $152

Typical range $849 to $2425 is based on 448 cost profiles.

Why these companies made our list

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