Best Private Investigators in Chicago, IL

The highest-rated Private Investigator & Detective companies out of 138 vetted & reviewed in the Chicago area.

On Q Professional Investigations

On Q Professional Investigations

(49)
  • Job
  • Learn
  • Training
“Thank God for this instructor and his staff that really cares about the instruction of this type of work, the best place to learn, 5 star plus, also the Best instructor that i have encounter in my career.”
In Business Since 2010
3004 W Belmont Ave #1b, Chicago, IL
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Northshore Process Service Network

Northshore Process Service Network

(9)
“The best process server around, North Shore gets the job done quickly and effectively while constantly keeping you informed about where you are in the process.”
In Business Since 1999
Licensed, BBB Rating: A+
208 W Washington St #806, Chicago, IL
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Lawdog Security & Investigations

Lawdog Security & Investigations

(34)
  • Team
  • Supervisor
  • Needs
“Working as a security guard for Law Dog gave me lots of opportunities to manage how I would like to work because you can choose to work more in a day by requesting it.”
Emergency Services
Accepts All Major Credit Cards
In Business Since 2016
Licensed
10359 S Pulaski Rd, Chicago, IL
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Heritage Investigations & Surveillance

Heritage Investigations & Surveillance

(2)
“I have worked with Adam Campbell over the last 34 years on complex personal injury and criminal cases and have never been disappointed by the quality of service and integrity of him and his company.”
Accepts Paypal
In Business Since 1986
Licensed, BBB Rating: A+
123 W Madison St, Chicago, IL
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RA Private Investigation & Security

RA Private Investigation & Security

(15)
  • Matter
“He was extremely professional, courteous and knowledgeable, I'm extremely thankful for all he did for our family, I would consider RA investigating services as a very professional company and through, Thank you Jordan”
In Business Since 2020
Free Initial Consultation
2935 S Halsted St, Chicago, IL
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Chicago Executive Protection - Secure Options Consulting

Chicago Executive Protection - Secure Options Consulting

(4)
Protective Services, Unarmed Security Guards, Armed Security Guards
“Beyond their impressive credentials, their adaptability to our ever-evolving daily challenges, from having guards arrive ahead of schedule to staying late for unforeseen events, has been commendable.”
Emergency Services
In Business Since 2011
Licensed
River Point, 444 W Lake St 17th floor, Chicago, IL
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Chicagoland Detective Services

Chicagoland Detective Services

(13)
  • Knows
“Excellent Acabemia”
Transparent Fees & Pricing
In Business Since 2017
Licensed
4425 W Irving Park Rd, Chicago, IL
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PCI Investigations

PCI Investigations

(2)
“I'm glad I reached out and now I can say I'm no longer curious or fighting with myself for answers.”
Free Initial Consultation
In Business Since 2020
Emergency Services
444 N Michigan Ave #1200, Chicago, IL
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U.S. Security and Protective Services

U.S. Security and Protective Services

(3)
“Very professional place well structured i recommend them for their services!!!!”
In Business Since 2012
Emergency Services
2445 W Schubert Ave, Chicago, IL
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Key Chicago Private Investigators

Key Chicago Private Investigators

(1)
“Jeanne was very thoughtful in her preliminary questioning and then did a great job setting up a strategic plan of action; with excellent follow-through and timely updates.”
In Business Since 2021
Licensed
25 E Delaware Pl, Chicago, IL
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Citywide Security Group

Citywide Security Group

(1)
“Because I work there”
In Business Since 2007
Emergency Services
3320 W Foster Ave # 258, Chicago, IL
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Usia Private Security

Usia Private Security

(1)
Missing Persons, Workers Compensation Claims, Executive Protection
“Excellent service.”
Free Initial Consultation
Emergency Services
In Business Since 2010
Licensed
401 N Michigan Ave Suite 1200, Chicago, IL
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Richart Detective Agency

Richart Detective Agency

(4)
“These People Were Super Helpful,Answered Every Question My Class Would Ask,Great Experience Will Definitely Recommend To Other Trying To Get Get Their F.”
In Business Since 2021
Free Initial Consultation
5725 S Archer Ave, Chicago, IL
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Myers Service

Myers Service

(3)
Debugging – Bug Sweeps, Business Investigations, Insurance Fraud Investigations
“Hard working, diligent and thorough.”
In Business Since 1998
Licensed
2406 W Fullerton Ave, Chicago, IL
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Courthouse Courier

Courthouse Courier

(6)
“Excellent information and feedback.”
In Business Since 2002
Licensed
1658 N Milwaukee Ave, Chicago, IL
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Legal Eye

Legal Eye

(1)
“LEGAL EYE's Chicago Office manages statewide investigations as well as provides oversight and management to several other major cities in the midwest.”
Free Initial Consultation
In Business Since 2020
Licensed
Chicago, IL
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RGH Investigations - Chicago Private Investigator

RGH Investigations - Chicago Private Investigator

(1)
Spousal Investigation, Employee Background Checks, Witness Statements & Interviews
“From interviewing witnesses to getting documents, police reports, medical records, (and anything else), Bob always comes through very quickly.”
Emergency Services
In Business Since 1960
Accepts All Major Credit Cards
505 E Illinois St, Chicago, IL
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Ingenium Consulting Group

Ingenium Consulting Group

(1)
“Called Ingenium the took care of all the problems.”
Free Initial Consultation
In Business Since 2015
Licensed
Aon Center, 200 E Randolph St Ste 5100, Chicago, IL
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Vantius

Vantius

(5)
“They did an excellent job of providing a great work product in a time sensitive manner.”
In Business Since 2004
Accepts All Major Credit Cards
980 N Michigan Ave, Chicago, IL
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Omega Global Security

Omega Global Security

“Omega Global is your professional security and investigations firm in the state of Illinois. We maintain the highest standards and take pride in providing a level of service that will exceed your expectations, utilizing our team of trained, licensed ...”
Free Initial Consultation
In Business Since 2013
Licensed
423 E 87th Pl, Chicago, IL
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Law Offices of Tracy M. Rizzo

Law Offices of Tracy M. Rizzo

(4)
“So, without going into my divorce saga (which after 2 years finally ended this week), I need to praise my intelligent, ethical, strategic, fair, honest, humble, and kind pitbull lawyer Tracy Rizzo.”
In Business Since 2001
30 N La Salle St #2340, Chicago, IL
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Axium Consulting

Axium Consulting

“Axium's seasoned and multidisciplinary team of experienced investigators, former law enforcement agents and journalists, forensic accountants, intelligence analysts, certified fraud examiners, and lawyers provides focused investigative and intelligen...”
In Business Since 2007
Licensed
120 N La Salle St #2000, Chicago, IL
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Jesus Saves Security and Investigations

Jesus Saves Security and Investigations

“Our property protection services ensure that your property remains safe from theft or damage. No matter what kind of item you need for protecting, we're here to help! Keep Reading”
In Business Since 2014
436 E 109th St Apt 1, Chicago, IL
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Investigators of Illinois

Investigators of Illinois

(1)
“Jerry is the best in the business.”
In Business Since 1998
Transparent Fees & Pricing
Chicago, IL
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Private Detective Services in Chicago, IL Cost Estimates

Minimum cost
$375
Maximum cost
$11871
National Average
$1500
Avg Per Hour Rates
$157
$875
$2499
Typical price range is based on 517 cost profiles
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Average Cost $1500
Minimum cost $375
Maximum cost $11871
Avg Per Hour Rates $157

Typical range $875 to $2499 is based on 517 cost profiles.

Why these companies made our list

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