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Home > Licenses & Permits > Contract Security, Professional Investigators & Investigative Assistants

Contract Security, Professional Investigators & Investigative Assistants

The Special Investigations Unit provides licensing for professional investigators, investigative assistants, and professional security companies.


List of of Licensed Professional Investigators by the Maine State Police:

Contract Security:

Forms / Handbook:

Professional Investigator:

Forms / Handbook:

Investigative Assistant:

Forms / Handbook:



45 Commerce Dr., Augusta
Mailing address -- State House Station 164, Augusta, ME. 04333
Phone (207) 624-7210
Fax (207) 287-3424

Commanding Officer – Lt. Scott W. Ireland –  Scott.W.Ireland@maine.gov