Missouri Private Security and Private Investigation Licensing Guide

Missouri maintains a centralized, statewide licensing regime for private investigators under RSMo Chapter 324. Licensing is administered by the Missouri Board of Private Investigator and Private Firearm Investigator Examiners.

The statute provides for licensure of private investigators and private investigation agencies. Individuals performing private investigative services must be licensed or registered in accordance with Chapter 324.

Missouri does not maintain a statewide licensing regime for private security guard agencies or individual security guards under Chapter 324. Security guard licensing, where required, is generally governed by municipal ordinances.

Missouri issues concealed carry permits under RSMo § 571.101. This firearms credential is issued under a separate statutory framework and is not itself a private security or private investigation license.

Regulation of private investigation services is centralized at the state level.

Missouri requires state-level licensure for private investigators and private investigation agencies under RSMo Chapter 324.

Missouri does not issue a statewide security guard license. Security guard licensing requirements, where applicable, are typically imposed at the municipal level.

Concealed carry permits are governed under a separate statute and do not substitute for required private investigator licensure.