Private Investigator Licensing in Maine

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Private investigation licenses are typically issued for individuals and organizations conducting investigative services. This guide contains information about private investigator licensing in Maine. For assistance with licensing, please contact us to learn about our software and managed license services.

Company Licenses

Maine Security Company Licenses

Maine Private Investigation Agency License

Not required



Maine does not currently license private investigator firms, but individual licenses are required.

More information: Maine State Police - Special Investigations Unit

Individual Licenses

Maine Individual Security Licenses

Maine Private Investigator License

Agency:Maine State Police - Special Investigations Unit
Bond Requirements:

$10,000 for Maine residents, $50,000 for non-residents, or $20,000 for investigative assistants.

Initial Registration

Form:

Professional Investigator Application - New

Agency fee:

$71 application fee + $450 license fee to be paid upon approval.

Registration Renewal

Form:

Professional Investigator Application - Renewal

Agency fee:

$521

Due:

Biennially by the date issued. After the first renewal, licensees may apply to renew their license every 4 years instead of biennially.

Firearm Qualification - An additional qualification attached to license applications for armed private investigators.

Private Investigator Apprentice - Apprentices are issued limited licenses and can only operate under the direction of a licensed investigator.

Qualified Representative - A licensed private investigator who is responsible for the operation and management of an investigative agency.

Reciprocity - When a private investigator is allowed to do business in a different state under the license issued by their home state.

National Association of Legal Investigators (NALI)
Industry association that sponsors education and certification efforts for members.

National Council of Investigation and Security Services (NCISS)
Private investigation and security advocacy group.

United States Association of Professional Investigators (USAPI)
Industry association focused on education and certification.

Learn about security licensing in other states:

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