What are the eligibility requirements for a Michigan Professional Investigator License?

To be eligible, you must be at least 25 years old, have a high school diploma or equivalent, be a U.S. citizen or legal resident, and have no disqualifying convictions. You also need three years of investigative experience or a related degree.

Do I need a separate license to carry a firearm as a private investigator in Michigan?

Yes, carrying a firearm as a private investigator requires a separate concealed pistol license, which has its own application process and requirements.

Can I operate a private investigator business from my home in Michigan?

Yes, you can operate from home, but you may need to comply with local zoning laws and obtain a home occupation permit, depending on your local jurisdiction.

What happens if my application is denied?

If your application is denied, you will receive a notification explaining the reasons. You may have the opportunity to appeal the decision or reapply once you address the issues that led to the denial.

Is there a continuing education requirement for renewal?

Michigan does not currently require continuing education for renewal of a Professional Investigator License, but staying informed about industry practices is advisable.

Private Investigator License Requirements in Michigan (2026 Guide)

Licensing Requirements

Private Investigator License Requirements in Michigan — Full checklist of Michigan requirements, fees, and steps.
Private Investigator License in Illinois
Private Investigator License in Indiana
Private Investigator License in Iowa
Private Investigator Licensing — All States — State-by-state private investigator licensing overview.

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