Best Private Investigators in Saint Charles, IL

The highest-rated Private Investigator & Detective companies out of 143 vetted & reviewed in the Saint Charles area.

Great Lakes Professional Investigations

Great Lakes Professional Investigations

(12)
“He is fully committed to the profession, including membership in the state's only long-running detective and security association, and stays on top of the latest cases to impact process serving.”
In Business Since 2011
NRA Certified
1212 S Naper Blvd #119, Naperville, IL
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RM Global Security Consultants

RM Global Security Consultants

(1)
“RM Global Security did a fantastic on my security job.”
In Business Since 2019
Licensed
1755 Park St Suite 200, Naperville, IL
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Foresight Investigative Services

Foresight Investigative Services

(2)
Asset Investigations, Infidelity Investigations, Corporate Investigations
“The investigator is extremely knowledgeable, thorough, and highly professional.”
In Business Since 2023
Licensed
Serving Saint Charles Area
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Millennium Investigations

Millennium Investigations

(3)
“It is good to know there are people out there who will help you in your darkest hour and at when you need a helping hand the most.”
In Business Since 2005
847 Randall Rd #125, Elgin, IL
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Capital Security & Investigations

Capital Security & Investigations

Private Security, Private Investigation, Loss Prevention
“CSI provides local, state and nation-wide background searches and will customize our Comprehensive Background Search to meet your unique set of investigative requirements. Let CSI's highly trained and experienced investigators assist you on your spec...”
In Business Since 2002
Free Initial Consultation
Licensed, BBB Accredited
Serving Saint Charles Area
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Valle Security Services

Valle Security Services

(1)
“Great employer to work with very flexible schedule they will work with and give u all the hours that u need, management very professional and very polite, been working with them for couple months now and hopefully I move up with this company best com...”
In Business Since 2007
800 E Northwest Hwy, Palatine, IL
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The Debugging Experts

The Debugging Experts

Business / Corporate Services, Personal Services, Family Law / Divorce Attorney Services
In Business Since 2008
Free Initial Consultation
150 E Beech Dr Unit 122, Schaumburg, IL
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Larsen Forensics

Larsen Forensics

“NOTICE. As of June 30, 2022, Larsen Forensics & Associates, Inc. will be closed after more than a decade in business. All client inquires will be referred to trusted long-time Larsen Forensics Associate”
In Business Since 2006
Free Initial Consultation
Serving Saint Charles Area
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Viper Detective Agency

Viper Detective Agency

(1)
“Sally keeps you updated throughout the process.”
In Business Since 2004
Serving Saint Charles Area
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Applied Materials Technologies

Applied Materials Technologies

“Our objectivity, respect for dignity, impartiality, and independent results give our clients confidence in their legal approach. From a collection of witness statements, through the securing of incident evidence and data, our forensic engineers bring...”
In Business Since 2009
1979 N Mill St STE 112, Naperville, IL
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VTS Investigations

VTS Investigations

“Blue 22, LLC, formerly known as VTS Investigations, is a Chicago based private detective, security and process serving agency. Our experienced private detectives and associates utilize the latest technology to complete each investigation with accurac...”
In Business Since 1985
Transparent Fees & Pricing
Serving Saint Charles Area
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Addition Technology

Addition Technology

“Intacs Corneal Implants are a minimally invasive surgical option for individuals with keratoconus who are experiencing intolerance to contact lens and are facing a corneal transplant. Intacs Corneal Implants may be the best possible option to stabili...”
In Business Since 2001
ISO, ISO Certified
Serving Saint Charles Area
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Delorto Mazzola & Associates

Delorto Mazzola & Associates

In Business Since 2002
Serving Saint Charles Area
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Fidelity Security & Investigative Services

Fidelity Security & Investigative Services

Serving Saint Charles Area
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American Sentinel

American Sentinel

, Guarding Services,
“American Sentinel is founded on the principles of truth, honor, and integrity. The sentinel is a watchman, a guardian, and soldier whose discipline and mindful eye keep those they protect safe. We live these values and use it to guide us through our ...”
In Business Since 2020
Serving Saint Charles Area
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Chicago Intel Agency

Chicago Intel Agency

(50)
Process Serving, Personal Services, Legal Services
“Testimonials from his clients including (but not limited to) finding missing people that local law enforcement was unable to locate, proving innocence of individuals who were wrongfully convicted of crimes and saving a man's life in a shooting where ...”
In Business Since 2015
Emergency Services
Licensed
2364 Essington Rd Suite 504, Joliet, IL
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Hogan Investigative Services

Hogan Investigative Services

(3)
Locate / Skip-Trace Services, Telephone Forensics / Computer, Surveillance Domestic / Insurance
“The service was prompt, professional, and a reasonable price.”
In Business Since 2013
Licensed
Serving Saint Charles Area
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Northshore Process Legal Support Services

Northshore Process Legal Support Services

(31)
  • Company
  • Communication
  • Affidavit
“I have worked with Northshore for over 10 years and always have had immediate responses from then and tireless efforts; Perhaps the most important is that after over 50 years as a family law practitioner the get me accurate and quick results.”
In Business Since 1999
Emergency Services
Licensed, BBB Rating: A+
Serving Saint Charles Area
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Law Offices of Michael J. Brennan

Law Offices of Michael J. Brennan

(42)
Car Accidents, Slip & Fall Injuries, Motorcycle Accidents
“Brennan is a professional that does his job right, when I acquired his services regarding a criminal case I knew I made the right choice especially when judges know him on a first name basis and his fellow colleagues give him the highest respect, not...”
In Business Since 2016
Free Initial Consultation
Licensed
16521 S 106th Ct, Orland Park, IL
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Special Solutions

Special Solutions

(8)
Active Shooter, Cctv Video Cameras, BUG Sweeps Tscm
“A great group of guys and excellent training, would recommend to anyone looking for certified firearm training.”
In Business Since 2015
Coupons & Offers
Emergency Services
Licensed
Serving Saint Charles Area
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Gazelle Process & Investigations

Gazelle Process & Investigations

(14)
“I have used gazelle process & investigations for a long while, they are professional, reasonable, go above and beyond to help, 100% reliable.”
In Business Since 2020
Emergency Services
Licensed
8600 US-14 Suite 205C, Crystal Lake, IL
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Scoutlogic Pre-Employment Background Screening

Scoutlogic Pre-Employment Background Screening

(13)
  • Reports
  • Team
  • Background Check
“I would highly recommend you work with them and make sure you ask all of your questions and really dig in with them for what your needs are- they are a valuable partner and don't treat you like just another numbered client!”
In Business Since 2016
Free Initial Consultation
Transparent Fees & Pricing
Licensed
Serving Saint Charles Area
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Hanrahan Private Invstgtns

Hanrahan Private Invstgtns

(3)
“We recently had the pleasure of working a case with The Hanrahan Investigations Group.”
In Business Since 1959
Licensed, BBB Rating: A+
Serving Saint Charles Area
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Blue Star Security

Blue Star Security

(13)
  • Professionalism
“Well l like it there it has the hot chocolate in the lobby they have all the cable channels the rooms are nice next door is a burger king and other stores near by the motel price is Good From Monday thru Thursday a bit more on Friday and Saturday”
In Business Since 2022
Licensed
1011 E Touhy Ave # 345, Des Plaines, IL
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Private Detective Services in Saint Charles, IL Cost Estimates

Minimum cost
$300
Maximum cost
$9500
National Average
$1200
Avg Per Hour Rates
$125
$700
$2000
Fair price range is based on 499 cost profiles
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Average Cost $1200
Minimum cost $300
Maximum cost $9500
Avg Per Hour Rates $125

Fair range $700 to $2000 is based on 499 cost profiles.

Why these companies made our list

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