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Best Private Investigators in Northbrook, IL
The highest-rated Private Investigator & Detective companies out of 189 vetted & reviewed in the Northbrook area.
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Hogan Investigative Services
“The service was prompt, professional, and a reasonable price.”
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Carlson Investigations
- Defendant
- Sheriff
- Process Server
“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.”
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Northshore Process Legal Support Services
- Company
- Communication
- Phone
“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.”
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On Q Professional Investigations
- Job
- CCW
- Instructor
“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”
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Special Solutions
Insurance Investigations, Surveillance, Chicago Bodyguard & Executive Protection
“Very satisfied with there professional expertise.”
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Chicagoland Detective Services
- Knows
“Good place to get training at.”
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Scoutlogic Pre-Employment Background Screening
- Employers
- Questions
- Company
“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!”
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U.S. Security and Protective Services
“Very professional place well structured i recommend them for their services!!!!”
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Blue Star Security
- 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”
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Citywide Security Group
“Because I work there”
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International Protective Services
“INTERNATIONAL PROTECTIVE SERVICES INC. Our Experienced and Highly-Qualified Team are Certified to Provide Basic Security Training, Armed Training, or Concealed Carry Training”
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Myers Service
Missing Persons, Undercover Investigators, Criminal and Civil Investigations
“I spoke to Nerdisa and she was knowledgeable and gracious in answering all of my questions and I had many.”
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Courthouse Courier
“Professionalism from start to finish, expedited services and would definitely recommend them to others, as well as using them again in the future.”
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Marshall Investigative Group
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.”
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Foresight Investigative Services
Workers' Comp Fraud, Asset Investigations, Infidelity Investigations
“I recently hired Foresight Investigative Services for a sensitive matter, and I couldn't be more impressed with their service.”
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Forest Security
- System
- DIY
- Technician
“The cellular coverage in my area changed a year after the alarm was installed FOREST came out immediately and replaced the radio communicator with a new one to account for the cellular service changes in my area which provided uninterrupted protectio...”
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H Brown Investigations
“Harry brown is the most effective investigator i have ever dealt with in all the years of my criminal law practice.”
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Chicago PI Services Group
“I might work with them one day!”
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Judicial Attorney Services
“I would highly recommend Judicial Attorney Services in NE IL (I don't know about their locations in other states) and would absolutely use them again the next time we need to serve anyone in the NE IL area.”
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Executive Protection Investigative Consultants
Personal Services, Disaster Response Services, Security Contractor Services
“Gun violence and terrorist attacks are making headlines across the nation. No individual or institution is safe from a possible attack. Executive Protection Investigative Consultants, LLC makes it our business to train individuals and future security...”
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Investigators of Illinois
“Jerry is the best in the business.”
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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...”
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Hibernian Strategic Solutions
Services Provided:, Surveillance, Due Diligence
“Our law firm has used Hibernian numerous times for service of process and investigative work.”
Private Detective Services in Northbrook, 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
404 cost profiles
Why these companies made our list
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