Professional Investigator License in Maine
Quick Answer
To obtain a Professional Investigator in Maine, review the requirements from Maine Department of Public Safety~Maine State Police.
- Background Check
- Required
Requirements
Professional Investigator license in Maine
Professional Investigator Salary in Maine
Entry Level
$39,840
Median
$49,360
Experienced
$72,180
Source: Bureau of Labor Statistics. Salary data is for informational purposes only.
How to Get Licensed
Step-by-step roadmap to becoming a licensed Professional Investigator in Maine.
- 1
Complete Education Requirements
No educational requirements
- 2
Submit Background Check
No criminal record prohibitions
- 3
Pass the Required Exam
State exam required
- 4
Submit Your Application
File your application with the licensing agency.
- 5
Receive Your License
Processing times vary. Check with your state licensing board for current timelines.
Considering another state?
Compare Professional Investigator requirements across states.
View all states →Data from CareerOneStop (DOLETA/DEED). Last updated: February 14, 2026.