How To Become a Licensed Private Investigator in Illinois

Apply for a license

Illinois Licensing Requirements

Private investigator licensing in the state of Illinois is handled by the Illinois Department of Financial & Professional Regulation. The department issues licenses for private detective professions such as:

  • Licensed Private Detective
  • Licensed Private Detective Agency
  • Licensed Private Detective Agency Branch Office
  • Approved Training Course School
  • Firearm Control Card (FCC)
  • Permanent Employee Registration Card (PERC)
  • Firearm Instructor
  • Approved 20-Hour Basic Training Program
  • Approved Basic 40-Hour Firearm Training Course

Via the Illinois Department of Financial & Professional Regulation website, you can find out how to get licensed, lookup an existing licensee, and learn about the laws and rules that govern private eyes in the state of Illinois.

Other special licensing requirements such as education requirements, experience requirements, examinations, and insurance may be required.  Check the state licensing website for more information.

Private Investigator Associations

Hire a Private Detective in Illinois

  • Hire a Private Investigator Agency in Illinois – To hire a private eye in Illinois, please visit our worldwide directory of investigation agencies. Our directory may also help you find an agency to sponsor your training and certification efforts, and help you comply with state licensing requirements.

Additional Information

  • Training Resources – Improve your chances of getting licensed by completing a professional degree program, training course, or home study course. Learn what options are available to get the investigative knowledge necessary to get licensed and begin your career.


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