Choose the right Security to safeguard your business assets.

Sentry Security can provide the best business security monitoring services and trained private security officers. We are a leading security service provider to both the private and public sectors. Our security officers work directly with clients, and as such, their performance is of vital importance for our success.

Get top-notch private security services and on-site security officers in St. Louis

There is a lot at stake for a security officer, no matter where he is employed. He is obligated to keep an eye out for his customers and safeguard them. Sentry Security Agency goes above and beyond the call of duty to hire experienced and trustworthy personnel.