BRENTWOOD BUSINESSES & NEIGHBORHOODS DESERVE
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Security Guard COMPANY in Brentwood, MO

GCI Security officers have protected the St. Louis region for 35+ years. Now we’re bringing career-driven, professionally trained officers to Brentwood’s retail centers, business district, and residential communities.

35+ Years Serving Greater St. Louis

Licensed in Missouri & Illinois

GPS Tracked Patrols

Five-Star Shield Training

MOST SECURITY COMPANIES SEND WHOEVER'S AVAILABLE.
WE SEND WHOEVER'S RIGHT.

Brentwood sits at the crossroads of I-170, I-64, and I-44, and its business mix reflects it. Retail centers like Brentwood Square and The Promenade bring in a steady flow of shoppers, while the surrounding office and industrial sites bring their own after-hours risk. That’s a lot of ground to cover for a national firm treating this as just another stop on a route.

Brentwood has built its reputation as a close, community-focused city, and that’s exactly the kind of place where a rotating cast of unfamiliar guards falls short. GCI builds career-driven security officers who stay on your property, know the community, and take ownership of it like it’s their own.

Security Services Available in BRENTWOOD, MO

UNIFORMED SECURITY OFFICERS

Armed and unarmed security guards for residential, retail, corporate, and industrial properties.

MOBILE SECURITY PATROLS

GPS-tracked and dash cam-equipped patrol vehicles for larger properties throughout Mid St. Louis County.

SAFESTREET™ RESIDENTIAL PATROLS

Purpose-built for Brentwood's residential subdivisions and HOAs, backed by consistent, familiar faces in uniform.

RETAIL & LOSS PREVENTION

Dedicated coverage for retail centers like Brentwood Square, from theft deterrence and parking lot patrol to customer safety during peak shopping hours.

INDUSTRIAL & WAREHOUSE SECURITY

Ongoing coverage for warehouse, distribution, and industrial properties throughout Brentwood, protecting inventory and equipment around the clock.

101-POINT SECURITY INSPECTIONS

A full property assessment identifying vulnerabilities before they cost you. Sometimes the answer isn't more security guards. It's the right ones in the right place.

GCI Security is a proud supplier partner of the St. Louis Apartment Association (SLAA), supporting multifamily communities across the region with trusted security solutions.

The GCI Difference:
From Guards to Guardians

A GCI Security guard on patrol inside a Brentwood, MO commercial property.

LOCAL OWNERSHIP, DIRECT ACCESS

Family-owned in St. Louis for 35+ years. You get direct access to our executive team, not a call center.

FIVE-STAR SHIELD TRAINING

Company-funded advanced training in first aid, de-escalation, crisis response, and more. Most companies stop at the basics.

FAST-TRACK LEADERSHIP PROGRAM

A 15-month advancement pathway that keeps good officers invested in their post instead of churning out.

DEDICATED, ON-SITE LEADERSHIP

In addition to our roving supervision team, full-time accounts get a working supervisor who holds the post to GCI’s standards.

30-Day Worry-Free Guarantee

Not satisfied in the first 30 days? We complete a smooth, professional transition out. No penalties, no disputes.

WHAT OUR CLIENTS ARE SAYING

AREAS WE SERVE

GCI Security is available to serve Brentwood, MO, including the 63119 and 63144 zip codes, with coverage across:

  • Brentwood Square and surrounding retail properties
  • Warehouse, distribution, and industrial sites
  • Properties near the I-170, I-64, and I-44 interchange
  • Residential neighborhoods and HOAs throughout Brentwood

GCI also proudly protects businesses and communities throughout Mid St. Louis County, including Clayton, Creve Coeur, Kirkwood, Ladue, Maplewood, Richmond Heights, University City, and Webster Groves.

FREQUENTLY ASKED QUESTIONS

GCI Security is a family-owned, licensed security company that has served the Greater St. Louis region, including Brentwood, for over 35 years. GCI provides armed and unarmed security officers, mobile patrols, and residential security for retail, corporate, and multifamily properties throughout Mid St. Louis County.

You can request a free quote from GCI Security by calling (314) 531-1500 or submitting a request through gcisecurityinc.com. From there, one of GCI’s client solutions specialists will walk you through every step, from understanding your property’s specific coverage needs to building a custom plan and getting officers on-site, typically providing a full quote within 24 hours.

Yes. GCI Security is fully licensed in Missouri and Illinois, with officers vetted through criminal history checks and fingerprinting through the Missouri State Highway Patrol and FBI.

Yes. GCI Security provides both armed and unarmed security officers in Brentwood, MO, and helps clients determine the right coverage based on their property type and risk profile.

Yes. GCI Security’s SafeStreet™ program is built specifically for residential communities, apartment complexes, and HOAs throughout Brentwood and Mid St. Louis County.

Security guard pricing depends on coverage type, whether officers are armed or unarmed, and whether mobile patrol coverage is needed. GCI Security provides a free, custom quote for Brentwood and St. Louis-area properties within 24 hours of a request.

GET a FREE BRENTWOOD SECURITY QUOTE TODAY

YOUR WORRY-FREE SECURITY PLAN STARTS HERE.

Tell us a little about your property, security concerns, and the coverage you’re considering. A GCI Security specialist will review your request, contact you to discuss your options and pricing, and help determine the right security plan for your property.

ARE YOU LOOKING FOR A SECURITY JOB?
Applications are only accepted at STLSecurityJobs.com.

By submitting this form, I consent to being contacted by a GCI Security specialist via phone, text, or email to discuss my security needs and provide a custom quote.