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

Goldkrupp

(49)
Signing Services, Notary, Investigations
“As an attorney, I leveraged the services of Goldkrupp for Apostile services, and the services was seamless, extremely professional, and the recipient of the documents honored it.”
In Business Since 2018
222 S Meramec Ave Suite 202, St. Louis, MO
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Gateway Investigations

Gateway Investigations

(9)
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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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 1980
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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Markell & Associates

Markell & Associates

(8)
  • Process Server
“Finding a reliable process server can be difficult for an out-of-state attorney, I now have one in St.”
Emergency Services
In Business Since 2013
2300 W Port Plaza Dr Suite 202, 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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Metro One Investigations

Metro One Investigations

(1)
“They do a great job.”
Accepts Check
In Business Since 1999
1210 S Vandeventer Ave, St. Louis, MO
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Range Investigation Services

Range Investigation Services

“9809 Nitsch Lane, St. Louis, Missouri 63123, United States”
In Business Since 2020
9060 Watson Rd Ste D, St. Louis, MO
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Safety Training and Consultations - International

Safety Training and Consultations - International

Hands On Training, Consulting, Suas Services & Training
“For more than 30 years,STCI has provided consulting services that industry leaders and government agencieshave used to help keep their organizationssafe and secure. We know the ins and outs of the safety & emergency response industrylike no one else....”
In Business Since 2003
Serving Saint Louis Area
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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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Global Intelligence Consultants

Global Intelligence Consultants

(7)
  • Permit
  • Team
  • 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
Transparent Fees & Pricing
Serving Saint Louis Area
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Henson Investigations

Henson Investigations

(6)
“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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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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SRI

SRI

(4)
“My best friend lives next door and is watching, I know when he is there and when he is served.”
Accepts All Major Credit Cards
In Business Since 2017
Serving Saint Louis Area
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The Whole Truth Investigative Group

The Whole Truth Investigative Group

“In any official proceedings, as a witness under oath by penalty of perjury, The Witness is expected to give their statement to affirm that the statement they are about to give is the: TRUTH, THE WHOLE TRUTH AND NOTHING BUT THE TRUTH.”
Transparent Fees & Pricing
30+ Years Experience
Serving Saint Louis Area
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St Louis Detectives

St Louis Detectives

(49)
  • Prices
  • PI
  • Father
“Ik it's hard to take that first step for whatever you're doing, but this agency was so invested and amazing at what they do, you would be doing yourself a favor by reaching out to them.”
Licensed, BBB Rating: A+
In Business Since 2009
Emergency Services
2046 Queens Brooke Blvd, St Peters, MO
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Comfort Zone Security

Comfort Zone Security

(8)
  • Company
  • Price
  • Team
“I have used Mitch as my personal security advisor for over 5 years and will continue to use his company hands down for any professional security need I might need....”
Transparent Fees & Pricing
Licensed, BBB Rating: A+
In Business Since 2012
Emergency Services
112 Point W Blvd Suite 15, St Charles, MO
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Simpson Security and Investigative Advisory Group

Simpson Security and Investigative Advisory Group

(1)
“Responsive, professional, effective....”
Licensed
In Business Since 2013
400 Chesterfield Center #400, Chesterfield, MO
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Working Security

Working Security

Vciso, Cloud Security, Incident Response
“Wesupport your business, unbiased by a desire to sell hardware or software. We help you balanceI/T risk management with day-to-dayI/T priorities, react to unplanned cyber-security events, and position yourself to minimize the potential impact of futu...”
Transparent Fees & Pricing
In Business Since 2010
743 Spirit 40 Park Dr #259, Chesterfield, MO
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Kevin Sweet Investigations

Kevin Sweet Investigations

(1)
“Skilled”
Serving Saint Louis Area
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Shadow Company Investigations

Shadow Company Investigations

(49)
  • Prices
  • Information
  • PI
“They were very helpful and let me know how much it would cost as well as provided some additional information regarding other options I have outside of small claims court for my particular issue.”
Emergency Services
Licensed
In Business Since 2016
Free Initial Consultation
Serving Saint Louis Area
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Covert Results

Covert Results

(50)
Training & Consulting, Armed Security, Private Investigations
“I reached out to Diana and Covert Results to locate someone using a family member's name and information for their own personal gain without our permission.”
Transparent Fees & Pricing
Licensed, BBB Rating: A
In Business Since 2021
Emergency Services
41 Peabody St, Nashville, TN
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Larkins Investigations

Larkins Investigations

(49)
Tscm (Bug Sweeps), Business Investigations >, Criminal Defense Investigations
“I've used them on two occasions and both times, Matt was very quick to respond and very thoughtful, courteous and professional in his dealings with sensitive matters.”
Free Initial Consultation
Licensed
In Business Since 2019
Emergency Services
424 Church St #2000, Nashville, TN
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King & King Detective Agency

King & King Detective Agency

(46)
  • Team
  • Work
  • Evidence
“Corey was very knowledgeable about Sovereign Citizens and assured me he would locate the suspect and I have no doubt he would considering his years of experience.”
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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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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