Best Private Investigators in Wheaton, IL

The highest-rated Private Investigator & Detective companies out of 184 vetted & reviewed in the Wheaton area.

Hanrahan Private Invstgtns

Hanrahan Private Invstgtns

(3)
“If you want the job done right.”
Licensed, BBB Rating: A+
In Business Since 1959
Serving Wheaton Area
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Blue Star Security

Blue Star Security

(8)
“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”
Licensed
In Business Since 2009
1011 E Touhy Ave # 345, Des Plaines, IL
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Marshall Investigative Group

Marshall Investigative Group

(3)
Internet Presence / Social Media Investigations, Insurance, Enterprise
“The best”
Free Initial Consultation
In Business Since 2015
Serving Wheaton Area
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Culper

Culper

“The Culper Spy Ring was the first American intelligence organization during the American Revolutionary War. It was organized in 1778 by Major Benjamin Tallmadge per request of General George Washington and operated on Long Island and New York City. T...”
Emergency Services
In Business Since 2012
Serving Wheaton Area
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Forest Security

Forest Security

(10)
  • Contract
  • System
“The owner Jay helped me deal with a contract I had with ADT, the techs were super professional and knowledgeable, and everyone in the office is very friendly.”
Family Business
Free Initial Consultation
Licensed
5+ Years Experience
Serving Wheaton Area
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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
1755 Park St #200, Naperville, IL
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Great Lakes Professional Investigations

Great Lakes Professional Investigations

(10)
“I have had the pleasure of knowing Jacob and GLPI for almost a decade and to see the passion that he has for the work he does; in the industry is a huge positive in my book.”
NRA Certified
In Business Since 2011
1212 S Naper Blvd Suite 119, Naperville, IL
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Edward R Kirby & Associates

Edward R Kirby & Associates

(1)
Intellectual Property, Attorney, Business
“They are honest as the day is long and they will give it their all to solve your problem.”
100+ Years Experience
Serving Wheaton Area
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Krimson Investigations and Process Service

Krimson Investigations and Process Service

(7)
“The staff was prompt, kept me abreast of each step in the process and fees were the best I'd paid for similar service (with another server) in the last year.”
Licensed
In Business Since 2021
Serving Wheaton Area
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Theodore Polygraph Services

Theodore Polygraph Services

(5)
“How much for a Relationship Test done?”
In Business Since 2018
Serving Wheaton Area
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Capital Security & Investigations

Capital Security & Investigations

Private Investigation, Loss Prevention, Private Security
“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...”
Free Initial Consultation
Licensed, BBB Accredited
In Business Since 2002
Serving Wheaton Area
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Argus Services

Argus Services

What is my Competition Doing, and How Will it Affect me?, What Type of Person am I Hiring?
“Unlike most of our similar competition, Argus Services specializes their investigative services for corporate America, ensuring the utmost competence and skill for our clients.”
In Business Since 1999
Serving Wheaton Area
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The Debugging Experts

The Debugging Experts

Personal Services, Family Law / Divorce Attorney Services, Business / Corporate Attorney Services
Free Initial Consultation
In Business Since 2006
150 E Beech Dr Unit 122, Schaumburg, IL
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Chicago Loss Prevention Group

Chicago Loss Prevention Group

“At Chicago Loss Prevention Group, LTD. we have earned our reputation for quality by providing real value in the real world. There is no magic in the security business; superior service is more expensive than inferior service. Though a higher paid, mo...”
In Business Since 1993
Serving Wheaton Area
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Impact Investigations

Impact Investigations

Skip Tracing, Evictions, Surveillance
“Investigative Surveillance can be used in association with missing persons, insurance fraud, theft and vandalism, or determining if a parent is fit to have child custody or visitation rights to proving marital infidelity.”
Emergency Services
Licensed
In Business Since 2001
Serving Wheaton 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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American Sentinel

American Sentinel

Guarding Services, , Mobile Security Patrol
“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 Wheaton Area
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Force Process Serving & Investigations

Force Process Serving & Investigations

(1)
“Hunting Down the Hardest for you.”
Serving Wheaton Area
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Cash Private Detectives

Cash Private Detectives

“There are 328 million people in America, and an estimated 58 billion in unclaimed assets in the digitized database. There are even more sitting in warehouses in boxes. In 2018 the state of Illinois spent 4 million on 12 warehouses just to store paper...”
In Business Since 2020
Serving Wheaton 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...”
ISO Certified
In Business Since 2001
Serving Wheaton Area
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Fidelity Security & Investigative Services

Fidelity Security & Investigative Services

Serving Wheaton Area
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Ics of Illinois Lombard

Ics of Illinois Lombard

“To help deter thefts, the Lombard Police Department is reminding residents to remove valuables from their vehicles, lock their cars and homes, and turn on exterior lights as part of their daily 9 p.m. routine.”
Transparent Fees & Pricing
In Business Since 1997
Serving Wheaton Area
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Chicago Intel Agency

Chicago Intel Agency

(30)
Personal Services, Legal Services, Insurance Services
“From the first day to the last day, he was nothing but professional, friendly, easy to work with and truly listened to our concerns of the situation we hired him for.”
Emergency Services
Licensed
In Business Since 2015
2364 Essington Rd Suite 504, Joliet, IL
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Hogan Investigative Services

Hogan Investigative Services

(3)
Process Service, Criminal Defense, Background Information
“Very professional.”
Licensed
In Business Since 2013
Serving Wheaton Area
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Private Detective Services in Wheaton, IL Cost Estimates

Minimum cost
$311
Maximum cost
$9843
National Average
$1244
Avg Per Hour Rates
$130
$726
$2073
Typical price range is based on 503 cost profiles
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Average Cost $1244
Minimum cost $311
Maximum cost $9843
Avg Per Hour Rates $130

Typical range $726 to $2073 is based on 503 cost profiles.

Why these companies made our list

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