How To Become a Licensed Private Investigator in Maine

Apply for a license

Maine Private Investigator Licensing Requirements

Private investigator licensing in the state of Maine is handled by the Maine State Police Licensing Division.  The Maine State Police Licensing Division is also is responsible for licensing professional investigators, investigative assistants, and Professional security companies.

Requirements may change, so please visit the website for the most up-to-date instructions related to the licensing application process. Other special licensing requirements such as education requirements, experience requirements, examinations, and insurance may be required. Check the state licensing website for specific details.

See also, the Maine State Law governing private investigators.

Maine Private Investigator Associations

  • Maine Licensed Private Investigators Association (MLPIA) – The Maine Licensed Private Investigators Association is Maine’s premiere association of Investigators representing licensed, bonded, ethical and professional investigators throughout Maine and New England. The MLPIA is actively involved in promoting ethical, professional conduct and business operation for the profession in the press, legislature and among peers in Maine and New England.

Hire a Private Detective

  • Hire a Private Investigator Agency in Maine – To hire a private investigator in Maine, visit our directory of private eyes and private investigation agencies. Our directory may also help you find a private investigation agency to sponsor you as a beginning private investigator.

Additional Information

  • 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.


  1. I am interested in becoming a private investigator in Maine. I have an associate’s degree in criminal justice


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