Chicago Premier Detective Agency

MSI Detective Services is Chicago’s Premier Private Detective Agency Established in 1959.


Experts Conduct Undercover Investigation


Professional team checks your home or office

Video Security Systems

High Quality Video Monitoring Systems
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Our Services


MSI Detective Services handles all cases and situations from single operative assignments to multiple team investigations.Our specially trained and highly resourceful investigators are equipped for all situations

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Missing Person

MSI is the locate specialist that can work with minimal information to conduct your investigation. Our clients are continuously amazed at the results we produce.

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MSI Detective Services Electronic Countermeasure Sweep (Debugging) Services, tests rooms for RF (Radio Signals), telephones, telephone systems, all wiring, and conducts a physical search of your premises.

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Video Camera Systems

MSI Detective Services professional installers offer expert and creative video camera solutions to resolve questions and solve your problems.

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Theft Investigations

heft investigations require experience and creativity to solve and resolve these unfortunate situations. MSI Detective Services offers a variety of ways to detect and uncover theft as well as provide solutions

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Background Investigations

MSI Detective Services conducts background investigations that fill the void with vital factual information. MSI provides fast and accurate information.

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Private Investigators — Myers Service, Inc. was founded in 1959 by former British Intelligence Investigator Stan Myers.

The agency is now headed by Perry Myers, Certified Fraud Examiner. Since 1959 MSI Detective Services has been assisting attorneys, individuals, businesses and insurance companies by providing a full line of quality investigative services.

Myers is a full service licensed detective agency handling all lines of private detective work and investigations.

Why Choose Us?
Professional 100%
Experienced 100%
Marketing 70%
Api Tracking 60%
Confidential 100%
Affordable 100%

Chicago Detective Agency

People form loyalties when they are pleased with the results. Since 1959, MSI Detective Services has been providing quality investigations to attorneys, businesses, insurance companies and individuals. Because MSI has maintained an excellent quality. MSI still retain many of our original clients from over 56 years ago.


It’s in our name! MSI Detective Services maintains 24 hour emergency service plus extended in-office business hours of 9am – 6pm, Monday through Friday to our clients. You may reach MSI every day of the year. MSI realizes the nature of investigations is not always a do it when you can situation.  MSI has a network of national and international investigators to conduct investigations anywhere at any time.

What Clients Say About Us
  • “Thank you for your professional expertise!  “
    Isaac -
  • “Great Experienced Team. Very useful advice.”
    Klaus -
  • “Thank you for your big help! Great Service!.”
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