Best Private Investigators in Florissant, MO

The highest-rated Private Investigator & Detective companies out of 181 vetted & reviewed in the Florissant area.

St Louis Detectives

St Louis Detectives

(49)
  • Job
  • Father
  • Custody
“God bless this company they really took care of my needs and they help me find what I was looking for and they don't judge your situation and understand Randy was quick and accurate thank u so much I recommend there services to someone who wants accu...”
In Business Since 2009
Licensed, BBB Rating: A+
Emergency Services
2046 Queens Brooke Blvd, St Peters, MO
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Goldkrupp

Goldkrupp

(49)
Investigations, Process Serving, Notary
“We needed some very important documents signed and sent off by EOD and he was able to meet us, explain the process to us, and get us our notarized documents within the hour to send them off.”
In Business Since 2018
222 S Meramec Ave Suite 202, St. Louis, MO
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Comfort Zone Security

Comfort Zone Security

(8)
  • Team
  • Price
  • Call
“They have worked events for several of my companies, both past and present, including the American Drag Racing League, Fight Hard MMA, and the River City Raiders professional indoor football team.”
In Business Since 2012
Licensed, BBB Rating: A+
Emergency Services
Transparent Fees & Pricing
112 Point W Blvd Suite 15, St Charles, MO
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Special Services

Special Services

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

Markell & Associates

(8)
  • Process Server
“I am in another state, and the entire process was seamless.”
In Business Since 2013
Emergency Services
2300 W Port Plaza Dr Suite 202, St. Louis, MO
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A-1 Private Investigations

A-1 Private Investigations

(2)
Notary, Security Services, Witness Interviewing
“Worked with them for years pretty cool job...”
In Business Since 2008
Licensed, BBB Rating: A+
Accepts All Major Credit Cards
9207 Manchester Rd, St. Louis, MO
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Global Intelligence Consultants

Global Intelligence Consultants

(7)
  • Individual
  • Team
  • Child
“ They sent in several undercover agents and within a short period of time, identified the employees, followed them to their “stash” location and recovered all the property that was stolen form our warehouse.”
In Business Since 2016
Licensed
Transparent Fees & Pricing
Serving Florissant Area
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Simpson Security and Investigative Advisory Group

Simpson Security and Investigative Advisory Group

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

SRI

(4)
“Waited 4 mins and they called me back , helped me with actually what I needed and guided me to right 👍 results 🥰 …”
In Business Since 2017
Accepts All Major Credit Cards
Serving Florissant Area
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Captured Investigative Agency

Captured Investigative Agency

For Lawyers, For Mass Tort Attorneys, 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...”
In Business Since 2007
Licensed
Emergency Services
Serving Florissant Area
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Metro One Investigations

Metro One Investigations

(1)
“They do a great job.”
In Business Since 2003
Accepts Check
1210 S Vandeventer Ave, St. Louis, MO
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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.”
30+ Years Experience
Transparent Fees & Pricing
Serving Florissant 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 2007
1031 Lami St, St. Louis, MO
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Gateway Investigations

Gateway Investigations

(9)
Accident Site Inspections, Auto Accident Investigations, Witness Interview / Canvass Investigations
“I had a great experience with Gateway Investigations at a very stressful point in life who provided research beyond just background checks, professional presentation dossier to be presented to the FBI/Missouri Attorney's office which resulted in a fa...”
In Business Since 2012
Licensed, BBB Rating: A+
Free Initial Consultation
10805 Sunset Office Dr #300, St. Louis, MO
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Pyr-Tech

Pyr-Tech

Consulting Services, Investigation 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....”
In Business Since 1982
Licensed, BBB Rating: A+
Serving Florissant 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 Florissant Area
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Working Security

Working Security

Security Awareness Training, Incident Response, Penetration Testing
“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...”
In Business Since 2010
Transparent Fees & Pricing
743 Spirit 40 Park Dr #259, Chesterfield, 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

Consulting, Hands On Training, 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 Florissant Area
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Kevin Sweet Investigations

Kevin Sweet Investigations

(1)
“Skilled”
Serving Florissant Area
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Shadow Company Investigations

Shadow Company Investigations

(49)
  • PI
  • Job
  • Information
“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.”
In Business Since 2018
Licensed
Free Initial Consultation
Accepts Check, Paypal, Cash, All Major Credit Cards, Financing available, Insurance, Travelers checks
Serving Florissant Area
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Covert Results

Covert Results

(50)
Private Investigations, Armed Security, Cyber Security
“When you're operating within this realm it's important you have competent individuals on your side because in many instances you only get one shot to gather key evidence, or if you have a need for security services there is absolutely zero margin for...”
In Business Since 2025
Licensed, BBB Rating: A
Emergency Services
Transparent Fees & Pricing
41 Peabody St, Nashville, TN
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Michael J. Brennan Injury & Accident Lawyer

Michael J. Brennan Injury & Accident Lawyer

(46)
Workers’ Compensation, Nursing Home Abuse, Pedestrian Accidents
“If you need a personal injury or criminal lawyer, I highly recommend him, you're not going to find a better law team than the people that make up Michael Brennan's office.”
In Business Since 2003
Licensed, BBB Rating: A+
Free Initial Consultation
Accepts All Major Credit Cards, Check, Cash
16521 S 106th Ct, Orland Park, IL
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Larkins Investigations

Larkins Investigations

(49)
Criminal Defense Investigations, Domestic Investigations >, Business Investigations >
“Matt started to work right after our phone conversation and, by the time we met for the retainer and further discussion, he had a surprising amount of information already available unlike other detective agencies.”
In Business Since 2019
Licensed
Emergency Services
Free Initial Consultation
424 Church St #2000, Nashville, TN
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Private Detective Services in Florissant, MO Cost Estimates

Minimum cost
$309
Maximum cost
$9774
National Average
$1235
Avg Per Hour Rates
$129
$721
$2058
Fair price range is based on 418 cost profiles
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Average Cost $1235
Minimum cost $309
Maximum cost $9774
Avg Per Hour Rates $129

Fair range $721 to $2058 is based on 418 cost profiles.

Why these companies made our list

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