How To Get a Private Investigator License in Missouri

Get a Private Investigator License
Download and complete the necessary forms from the state licensing website.

Missouri Licensing Authority

Private Investigator licensing in the state of Missouri is handled by the Missouri Division of Professional Registration Board of Private Investigator Examiners. Below is the contact information for the Missouri Division of Professional Registration Board of Investigator Examiners:

Licensing Authority Contact Information

Missouri Division of Professional Registration
3605 Missouri Boulevard
P.O. Box 1335
Jefferson City, MO, 65102-1335
Telephone: 573.751.0293
TTY: 800.735.2966
Voice Relay: 800.735.2466

General Licensing Requirements

The following is general licensing information. Please visit the website listed above for specific licensing information, application forms, insurance requirements, fees and any special licensing requirements.

Before an application for a license may be granted, the applicant shall:

  • Be at least twenty-one years of age;
  • Be a citizen of the United States;
  • Provide proof of liability insurance with amount to be no less than two hundred fifty thousand dollars in coverage and proof of workers’ compensation insurance. The board shall have the authority to raise the requirements as deemed necessary; and
  • Comply with such other qualifications as the board adopts by rules and regulations

Visit the website to get information on licensing requirements, get exam information, view disciplined licensees, read news and more.

Other Requirements

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

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Missouri Private Investigator Associations

Once you obtain your license, you should join the Missouri Association of Private Investigators. The Missouri Association of Private Investigators is the main investigator association for professional detectives in the state. It’s a good idea to join the association to network with others, stay informed of industry issues and legislation affecting the industry and get access to learning opportunities.

List of Investigation Agencies

If you’re looking for employment with an agency, view a List of Investigation Agencies in Missouri. Contact the agencies an inquire about available open positions or internships.

Training and Education Resources

Private Investigator Training Resources – Improve your chances of getting licensed by completing a private investigator degree program, training course, or home study course. Learn what options are available to get the private investigation knowledge necessary to get licensed.


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