Private Investigator Licensing in Missouri
Private investigation licenses are typically issued for individuals and organizations conducting investigative services. This guide contains information about private investigator licensing in Missouri. For assistance with licensing, please contact us to learn about our software and managed license services.
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- Missouri Security Company Licenses
- Local Security Company Licenses
- Missouri Individual Security Licenses
Company Licenses
Missouri Security Company Licenses
Local Security Company Licenses
St. Louis County Alarm Business License
| Agency: | St. Louis County - Department of Revenue - Division of Licenses (MO) |
| Foreign Qualification is Prerequisite: | No |
| Registered Agent (Special Agency) Required? | No |
Initial Registration
| Form: | |
| Filing Method: | |
| Agency Fee: | $100 |
| Notarization Required?: | Required |
| Required Attachments: |
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| Background Check Requirements: | ACCESS PREMIUM DATA |
Registration Renewal
| Form: | |
| Filing Method: | |
| Agency Fee: | $100 |
| Due: | Annually by December 31. Renewal applications must be submitted no later than 10 days before the expiration of the license. |
| Notarization Required?: | Required |
| Required Attachments: | The following documents only need to be included in the renewal application if there are changes to the initial documents submitted:
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| Background Check Requirements: | ACCESS PREMIUM DATA |
Individual Licenses
Missouri Individual Security Licenses
Missouri Private Investigator License
| Agency: | Missouri Board of Private Investigator and Private Fire Investigator Examiners |
Initial Registration
| Form: | |
| Agency Fee: | $500 |
| Notes: | Employees of private investigator agencies may also need to register. |
Registration Renewal
| Agency Fee: | $300 |
| Due: | Biennially |
| Notes: | Renewal forms are provided by the board. |
Learn about security licensing in other states:
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.
