How to become a security guard in Missouri
Missouri has no statewide security guard license. Here is what it takes to work as a security guard in Missouri, from official sources checked November 4, 2026.
Part of the state's website could not be reached when we checked, so some details come from Missouri law and official forms. Confirm them on the official page before you apply.
Missouri security guard license requirements
| State license | No statewide license. Missouri has no state license for security guards. State law lets the police boards in St. Louis and Kansas City license private security personnel, so check with local police. |
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Steps to become a security guard in Missouri
- Confirm there is no state security guard license in Missouri
- If you will work in St. Louis or Kansas City, contact the city police licensing unit about a private security license
- Elsewhere, ask the city or county whether a local license applies
- Apply to a security employer and complete its background check and training
How do you check a security guard's license in Missouri?
- Check that the status is active and the name matches the person or company you're hiring.
- Ask how long they've been licensed and whether any complaints or discipline are on record.