Homeowners in Missouri comparing the best home security companies quickly find that quality varies more than price does. From St. Louis to Kansas City, the providers below are rated by real customers - reviewing several side by side is the fastest way to hire with confidence.
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Who to Call in Missouri: Top Home Security Companies
Here is how each home security company on this list earns its spot, with real Missouri market context behind every recommendation.
US 911 Home Security answers around the clock and pairs Missouri homeowners with vetted home security pros nearby. Its team handles 24/7 monitoring and alarm installation, alongside the rest of the usual home security workload. Demand around St. Louis and Kansas City keeps Missouri calendars full, so early quote requests get the best slots. Compare US 911 Home Security against the rest of this Missouri list on licensing, reviews, and the clarity of its quote.
(214) 702-5214A Missouri shortlist for this job is not complete without Sentinel Home Security. Its team handles 24/7 monitoring and alarm installation, alongside the rest of the usual home security workload. Missouri licenses many trades locally rather than statewide, so confirm insurance and local registration when you request a quote. Put Sentinel Home Security side by side with the other Missouri companies on this page, then let written quotes settle it.
(213) 671-0315Missouri residents weighing their options here often end up comparing Safeguard Security Systems against the rest of the field. Core services run from alarm installation to security cameras, so most residential jobs stay in-house. Quotes track local labor costs - BLS pegs the Missouri median wage for security and fire alarm systems installers at $54,620 a year. Request a written quote from Safeguard Security Systems and at least two other Missouri providers before you commit.
(714) 782-3415When home security problems cannot wait, ShieldPoint Home Security is a name Missouri homeowners pass along. Core services run from security cameras to video doorbell, so most residential jobs stay in-house. Quotes track local labor costs - BLS pegs the Missouri median wage for security and fire alarm systems installers at $54,620 a year. A quick call tells you how soon ShieldPoint Home Security can start in your corner of Missouri and what a visit will cost.
(480) 806-2841Watchtower Security Services ranks among the Missouri home security companies homeowners shortlist most often. A 4.8-star average over 73 reviews reflects how it treats repeat customers. Its Missouri footprint concentrates where the work is - St. Louis, Kansas City, and the communities in between. Request a written quote from Watchtower Security Services and at least two other Missouri providers before you commit.
(407) 751-1353Homeowners across Missouri regularly turn to Homefront Security Co. when they need home security work. A 4.9-star average over 84 reviews reflects how it treats repeat customers. It competes in the country's #19 largest state market - about 6.2 million residents - where home security demand stays steady. Request a written quote from Homefront Security Co. and at least two other Missouri providers before you commit.
(704) 419-7145Few home security providers serving Missouri come up in side-by-side comparisons as often as Beacon Home Security Pros. The company quotes work in writing up front, which makes it easy to compare against other bids. Quotes track local labor costs - BLS pegs the Missouri median wage for security and fire alarm systems installers at $54,620 a year. A quick call tells you how soon Beacon Home Security Pros can start in your corner of Missouri and what a visit will cost.
(813) 773-8616Missouri homeowners comparing providers for this work will quickly run into IronBolt Security Solutions - and for good reason. The company quotes work in writing up front, which makes it easy to compare against other bids. Demand around St. Louis and Kansas City keeps Missouri calendars full, so early quote requests get the best slots. Compare IronBolt Security Solutions against the rest of this Missouri list on licensing, reviews, and the clarity of its quote.
(612) 457-1121Among the home security companies serving Missouri, AlertLine Home Security stands out for consistency. Reviewers most often mention fast scheduling and fair, upfront pricing. Demand around St. Louis and Kansas City keeps Missouri calendars full, so early quote requests get the best slots. Put AlertLine Home Security side by side with the other Missouri companies on this page, then let written quotes settle it.
(602) 580-0469If you are gathering Missouri quotes for home security work, TrueGuard Security Systems belongs on the shortlist. Its team handles security cameras and video doorbell, alongside the rest of the usual home security workload. Labor drives most home security pricing here: the Missouri median for security and fire alarm systems installers is $54,620 a year (BLS OEWS 2025), 9% below the national figure. Compare TrueGuard Security Systems against the rest of this Missouri list on licensing, reviews, and the clarity of its quote.
(512) 798-8184Missouri Market Snapshot
Population
6,154,913
#19 largest state, 2020 Census
Median wage: Security and Fire Alarm Systems Installers
$54,620/yr
9% below the national median of $60,070
License verification
Missouri (contractor licensing is handled by local jurisdictions)
Licensing is handled locally in this state - confirm insurance and local registration.
Largest metro areas
St. Louis · Kansas City · Springfield
Where Missouri demand concentrates
Sources: U.S. Census Bureau, 2020 Census (April 1, 2020); U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), 2025.