Best Private Investigators in Saint Louis, MO

The highest-rated Private Investigator & Detective companies out of 162 vetted & reviewed in the Saint Louis area.

Goldkrupp Legal

Goldkrupp Legal

(24)
Signing Services, Notary Services, Investigations
“I submitted the request online on Sunday and received confirmation (with photographs!”
In Business Since 2018
222 S Meramec Ave Suite 202-1074, St. Louis, MO
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Gateway Investigations

Gateway Investigations

(8)
Subrogation Investigations, Workplace Accident Investigations, Auto Accident Investigations
“If you Choose him as your investigator I know that this man would do an outstanding job just give them a chance I still wanna investigate this ex-husband of mind but for now I guess I'll contact Atterny but he was outstanding.”
Licensed, BBB Rating: A+
In Business Since 2010
Free Initial Consultation
10805 Sunset Office Dr #300, St. Louis, MO
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A-1 Private Investigations

A-1 Private Investigations

(2)
Insurance Fraud, Counseling, Security Services
“Employment”
Licensed, BBB Rating: A+
In Business Since 2004
Accepts All Major Credit Cards
9207 Manchester Rd, St. Louis, MO
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Shadow Company Investigations

Shadow Company Investigations

(9)
ATM Technician Armed Protection, Hospitality Security Guards, Private Bodyguards
“With my experience as a private eye for 28+ years and having worked with many great colleagues over the years, I can say without hesitation that Mike's work product was "Solid and sterling.”
Licensed
26+ Years Experience
Emergency Services
12042 Debonnaire Dr, St. Louis, MO
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Pyr-Tech

Pyr-Tech

Investigation Services, Consulting Services, Evidence Retrieval
“Pyr-Tech, Inc., is a professional investigation company specializing in fire and explosion incidents. Our company investigates fire and explosion events involving residential and commercial structures, motor vehicles, watercraft, and farm implements....”
Licensed, BBB Rating: A+
In Business Since 1982
Serving Saint Louis Area
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Special Services

Special Services

(1)
Crowd Management, Protective Services, Security Services
“Kept our event safe.”
Coupons & Offers
In Business Since 1997
1309 Convention Plaza, St. Louis, MO
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API

API

(1)
“The lead investigator was able to find a missing family member and get them returned safely to our family.”
Licensed
In Business Since 2014
Emergency Services
12747 Olive Blvd #300, St. Louis, MO
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Metro One Investigations

Metro One Investigations

(1)
“They do a great job.”
Accepts Check
In Business Since 2001
1210 S Vandeventer Ave, St. Louis, MO
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Range Investigation Services

Range Investigation Services

“Offering a full suite of investigation services including media collection, surveillance, document retrieval and delivery.”
In Business Since 2020
9060 Watson Rd Suite D, St. Louis, MO
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Mc Dowell & Associates

Mc Dowell & Associates

“Regardless of the size of your concern, you will be given the same attention as our largest clients. Our people are experienced field investigators. In the geographic areas where we do not have a physical presence, both domestically and international...”
In Business Since 2005
1031 Lami St, St. Louis, MO
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Kellerman Investigations

Kellerman Investigations

(30)
Workers Compensation, Skip Tracing, Southern Illinois Fingerprinting
“She really went above & beyond even our own level of satisfaction to make sure we had all the information we needed and that we were comfortable with what we had.”
Licensed, BBB Rating: A+
In Business Since 2005
Accepts All Major Credit Cards
Serving Saint Louis Area
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Henson Investigations

Henson Investigations

(5)
“1000 stars this is the place to go highly recommend this to anyone needing help, i had answers within minutes Elizabeth is amazing thank you so much for your help”
In Business Since 2014
Serving Saint Louis Area
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Global Intelligence Consultants

Global Intelligence Consultants

(7)
  • Team
  • Professional
  • Individual
“These guys are the best in the business and have contacts world wide to assist their special operations teams when they arrive, so the job can get done professionally and successfully.”
Licensed
In Business Since 2016
Serving Saint Louis Area
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Black Diamond Investigations

Black Diamond Investigations

(2)
Domestic Investigations, Corporate Investigations, Site Security
“I would recommend Black Diamond to anyone who is in need of a private investigator.”
Licensed
In Business Since 2011
Serving Saint Louis Area
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Captured Investigative Agency

Captured Investigative Agency

For Mass Tort Attorneys, For Lawyers, For Businesses
“The detectives at Captured Investigative Agency are kind, patient, and understanding. Not only did Detective John Houseman listen and make important recommendations, but he also helped me understand my case. I never thought I would need a detective a...”
Licensed
In Business Since 2007
Emergency Services
Serving Saint Louis Area
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Kevin Sweet Investigations

Kevin Sweet Investigations

(1)
“Skilled”
Serving Saint Louis Area
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Lawdog Investigative Service

Lawdog Investigative Service

(13)
  • Professional
  • Fingerprints
“Friendly and knowledgeable”
Licensed
In Business Since 2019
Serving Saint Louis Area
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Peak Surveillance

Peak Surveillance

(4)
“The people at Peak Surveillance did an awesome job helping me get the answers I needed to move forward with my case; I couldn't have asked for anything more!”
Licensed
In Business Since 2019
Serving Saint Louis Area
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Covert Results

Covert Results

(30)
  • Security
  • Company
  • Reports
“I had the pleasure of working with Shelby, who immediately responded to my inquiry and got me the results I was looking for in less time than I could've ever imagined.”
Licensed, BBB Rating: A
In Business Since 2023
Emergency Services
41 Peabody St, Nashville, TN
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Larkins Investigations

Larkins Investigations

(30)
Tscm (Bug Sweeps), Business Investigations >, Criminal Defense Investigations
“We inquired Larkins Investigations on getting someone served in Tennessee due to her fleeing the state of Texas, and Matthew was the ONLY person able find her and get her served!”
Emergency Services
In Business Since 2019
Free Initial Consultation
424 Church St Suite 2000, Nashville, TN
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Callahan & Associates

Callahan & Associates

(30)
  • Results
  • Information
  • Business
“Rodney was very persistent and competent; in addition to completing my request, he even gave me information that I had no idea was physically possible.”
Emergency Services
In Business Since 2014
Free Initial Consultation
3102 West End Ave Suite 400, Nashville, TN
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Stillwatch Investigations

Stillwatch Investigations

(30)
  • Information
  • Team
  • Court
“We needed an investigator in Tennessee to assist us, and Renee located the subject and was able to give us pertinent information to help us tremendously.”
Emergency Services
In Business Since 2016
113 Cages Rd #7, Hendersonville, TN
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King & King Detective Agency

King & King Detective Agency

(29)
  • Results
  • Job
  • Communication
“Provided my client with the information needed within hours, saving him time and money.”
Emergency Services
Licensed
In Business Since 2014
Accepts Check, Paypal, Cash, Insurance, Travelers checks, Debit, All Major Credit Cards
99 E Main St Suite: 200, Franklin, TN
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Tscm Special Ops Group

Tscm Special Ops Group

(6)
Corporate Theft Solutions, Child Custody/ Divorce, Background Checks
“I have worked with Mitch for many years and in that time I have always been impressed with his work he has always been available to answer all questions and help my clients...”
Licensed, BBB Rating: A+
In Business Since 2003
Accepts All Major Credit Cards
444 Metroplex Dr Ste B250, Nashville, TN
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Private Detective Services in Saint Louis, MO Cost Estimates

Minimum cost
$370
Maximum cost
$11702
National Average
$1479
Avg Per Hour Rates
$154
$863
$2464
Average price range is based on 536 cost profiles
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Average Cost $1479
Minimum cost $370
Maximum cost $11702
Avg Per Hour Rates $154

Average range $863 to $2464 is based on 536 cost profiles.

Why these companies made our list

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