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:
- Licensed Professional Investigators (PDF)
- Click here to file a complaint on a professional investigator or investigative assistant.
Contract Security:
Forms / Handbook:
- Private Security Guards Handbook
- Licensed Contract Security Companies
- Contract Security - New Application
- Contract Security - Renewal Application
- Surety Bond
Professional Investigator:
Forms / Handbook:
- Professional Investigator Handbook
- Professional Investigator - New Application
- Professional Investigator - Renewal
- Surety Bond
- Professional Investigator Change of Address / Duplicate Permit
Investigative Assistant:
Forms / Handbook:
- Professional Investigator Handbook
- Investigative Assistant - Application
- Proof of Hours Letter
- Surety Bond
- Training Log
- Investigative Assistant Change of Address / Duplicate Permit