Independent, detailed reviews of security companies serving Tennessee. Each company is evaluated on reliability, pricing, technology, and customer service.
6 companies reviewed|Sorted by rating
Phelps Security
4.7
With over 60 years in Memphis, Phelps Security is one of the oldest and most established security firms in the Mid-South. Family-owned and deeply connected to the community, they set the standard that newer companies measure themselves against.
Veteran-owned Shield of Steel has protected Tennessee businesses since 1998. Read our detailed review covering armed guards, GPS patrols, pricing, and why SOS is one of the best values in Memphis security.
Founded in 1990 in Chattanooga, Walden Security has grown into one of the largest regional security providers in the Southeast with 5,000+ employees. Their Memphis operation brings enterprise-grade service to West Tennessee.
Armed Guards Unarmed Guards Mobile Patrol Remote Surveillance Access Control Event Security Event-Based Monitoring
Price: $$$
Best for: Mid-to-large businesses in Memphis that need enterprise-grade security with advanced monitoring technology and multi-site coverage
One of the largest contract security providers in the country, Imperial Security was founded in Memphis in 1968 and now operates coast to coast. Their scale and industry specialization make them a formidable option — but that scale comes with trade-offs.
Armed Guards Unarmed Guards Security Patrol Mobile Field Supervisors Concierge Officers Undercover Operatives Loss Prevention Executive Protection Fire Watch Access Control High Value Cargo Escort
Price: $$$
Best for: Large enterprises, distribution centers, and manufacturing facilities that need a security partner with national scale and industry-specific expertise
A tight-knit, military and law enforcement-staffed security firm based in Memphis. Delta Security specializes in armed protection, executive security, asset transport, and private investigations. Smaller but highly specialized.
Best for: Businesses needing armed security, executive protection, or secure asset transport with personnel who have real military and law enforcement experience
A global security giant with a Memphis office at 6000 Poplar Avenue. GardaWorld provides enterprise-grade security services backed by worldwide infrastructure — but that global scale comes with global pricing.
Best for: Large enterprises and institutions that need a global security partner with comprehensive risk management capabilities and the infrastructure to operate across multiple locations