Oak Park, IL

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Oak Park, IL
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Best Private Investigators in Oak Park, IL

The highest-rated Private Investigator & Detective companies out of 199 vetted & reviewed in the Oak Park area.

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Michael J. Brennan Injury & Accident Lawyer

Michael J. Brennan Injury & Accident Lawyer

(46)
Wrongful Death, Workers’ Compensation, Nursing Home Abuse
“Again with that aggressive and very knowledgeable understanding of the law (in my case traffic laws/violations) he was able to get me out what seem to be for sure a traffic fine”
Free Initial Consultation
In Business Since 1999
Emergency Services
Accepts All Major Credit Cards, Check, Cash
16521 S 106th Ct, Orland Park, IL
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Lawrence Ryan Investigations

Lawrence Ryan Investigations

(23)
  • Job
  • Company
“I called him to get some footage from my neighbor and it was the last day the footage was available and he told me that “ we are going make it happen “ thanks to that footage he collected I won my case!”
In Business Since 2016
Emergency Services
Serving Oak Park Area
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Chicagoland Detective Services

Chicagoland Detective Services

(13)
  • Knows
“Don showed knowledge, empathy and compassion during an ongoing investigation.”
In Business Since 2017
Transparent Fees & Pricing
Licensed
4425 W Irving Park Rd, Chicago, IL
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Marshall Investigative Group

Marshall Investigative Group

(4)
Legal, Internet Presence / Social Media Investigations, Insurance
“From insurance fraud, to workers comp claims, Marshall Investigative Group goes the extra mile to find out critical information about a case.”
In Business Since 2011
Free Initial Consultation
Serving Oak Park 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
Licensed
1755 Park St Suite 200, Naperville, IL
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Chicago Serve Security Guards

Chicago Serve Security Guards

(9)
“Chicago Serve understood that I was under a deadline to subpoena these people for a trial starting 10 days later and they were willing to help me when I was “under the gun.”
In Business Since 2011
11340 W 159th St, Orland Park, 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 Oak Park 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
Serving Oak Park Area
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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 1995
Serving Oak Park Area
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Argus Services

Argus Services

What Type of Person am I Hiring?, What is my Competition Doing, and How Will it Affect me?
“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 Oak Park 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 Oak Park Area
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Hogan Investigative Services

Hogan Investigative Services

(3)
“The service was prompt, professional, and a reasonable price.”
In Business Since 2013
Licensed
Serving Oak Park Area
Featured

Police said a 23-year-old woman was sitting in parked 2019 Subaru when four armed male suspects forced her out of the car.nnOne of the suspects fled in the victim's car and the others fled in a dark-colored sedan, police said.nnThe woman was not injured and no one is in custody, police said. Area Five detectives are investigating.n.n#cartheft #carjackings #carhijeck #robbery #thrift...

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Northshore Process Service Network

Northshore Process Service Network

(37)
  • Price
  • Defendant
  • Company
“I have been using them since before COVID and their professionalism, attention to detail, customer service, employees, timeliness, and services are leaps and bounds better than ANY other process server I've used or heard of.”
In Business Since 1999
Emergency Services
Licensed, BBB Rating: A+
208 W Washington St APT 806, Chicago, IL
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Carlson Investigations

Carlson Investigations

(50)
  • Job
  • The Future
  • Sheriff
“I couldn't get my tenant served for months because he kept dodging other process servers but then I hired William and he got inventive and served my tenant in a day.”
In Business Since 2014
Family Business
Licensed
1555 Sherman Ave #306, Evanston, IL
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Williams & Nickl

Williams & Nickl

(48)
Social Workers, Psychologists, Agencies, Inspector General and Dhfs
“Williams and Nickl are unparalleled in their knowledge and dedication when it comes to Illinois Concealed Carry Licenses (CCL) and Firearm Owner's Identification (FOID) cards.”
11+ Years Experience
1720 W Division St 2nd Floor, Chicago, IL
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Northshore Process Legal Support Services

Northshore Process Legal Support Services

(31)
  • Documents
  • Phone
  • Company
“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 Oak Park Area
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On Q Professional Investigations

On Q Professional Investigations

(49)
  • Know
  • Security
  • CCW
“Instructor Diaz was an extremely knowledgeable instructor who made learning interesting and fun, info was up to date and relevant, I would highly recommend this course to anyone looking to take courses for security or private investigation”
In Business Since 2014
Accepts All Major Credit Cards
3004 W Belmont Ave #1b, Chicago, IL
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RA Private Investigation & Security

RA Private Investigation & Security

(18)
  • Money
  • Matter
  • Company
“Having to sue anyone, especially a former friend, is stressful enough, and after the County Sheriff failed to serve the defendant in my case, I took to Google for a solution.”
In Business Since 2020
Free Initial Consultation
2935 S Halsted St, Chicago, IL
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PCI Investigations

PCI Investigations

(4)
“So I can find out a lot if needed but he was able to find out stuff I had no clue about and within hours.”
In Business Since 2020
Free Initial Consultation
Emergency Services
444 N Michigan Ave #1200, Chicago, IL
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Chicago Executive Protection - Secure Options Consulting

Chicago Executive Protection - Secure Options Consulting

(4)
Workplace Violence Security, Residential Security Teams, Protective Services
“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.”
In Business Since 2011
Emergency Services
Licensed
River Point, 444 W Lake St 17th floor, Chicago, IL
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Confidential Protective Services

Confidential Protective Services

(21)
  • Money
  • Legal
  • Conceal and Carry
“Instructor Darras was very courteous, professional and has a wealth of knowledge regarding state and federal laws regarding the use of using and carrying firearms.”
In Business Since 2000
Serving Oak Park Area
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Lawdog Security & Investigations

Lawdog Security & Investigations

(34)
  • Respect
  • Owner
  • Team
“The supervisors are there to train you if you are at a new site for the first time, plus you always get your check on time and the best part is there's Opportunity to advance.”
In Business Since 2014
Emergency Services
Accepts All Major Credit Cards
Licensed
10359 S Pulaski Rd, Chicago, IL
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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 1961
Licensed, BBB Rating: A+
Serving Oak Park Area
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Blue Star Security

Blue Star Security

(13)
  • Officer
“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 Oak Park, IL Cost Estimates

Minimum cost
$311
Maximum cost
$9826
National Average
$1242
Avg Per Hour Rates
$130
$724
$2069
Fair price range is based on 401 cost profiles
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Average Cost $1242
Minimum cost $311
Maximum cost $9826
Avg Per Hour Rates $130

Fair range $724 to $2069 is based on 401 cost profiles.

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Private Investigation and Detective Agencies near Oak Park

Popular in Oak Park

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