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Best Security System in Colorado (2026)

51 businesses found · Ranked by quality, not ads

Find top-rated security system businesses in Colorado. Every business is ranked by Quality Score — our quality metric based on responsiveness, data completeness, and verified reviews. Not who pays the most.

Catalyst Security Group Inc

Denver, CO

Security System

★ 4.9(44 reviews)

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Colorado Complete Security

Colorado Springs, CO

Security System

★ 4.9(53 reviews)

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Trident Security Systems

Longmont, CO

Security System

★ 4.4(35 reviews)

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Zions Security Alarms

Colorado Springs, CO

Security System

★ 4.8(39 reviews)

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SES® - Security Equipment Supply

Colorado Springs, CO

Security System

★ 4.9(16 reviews)

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Alarm Detection Systems, Inc. Colorado

Louisville, CO

Security System

★ 4.3(148 reviews)

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Saber Security Solutions LLC

Colorado Springs, CO

Security System

★ 5.0(43 reviews)

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ESI Technologies

Fort Collins, CO

Security System

★ 5.0(2 reviews)

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DictoGuard Security Alarm Systems, Inc.

Greeley, CO

Security System

★ 4.1(9 reviews)

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True Security Inc.

Aurora, CO

Security System

★ 3.7(15 reviews)

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Set Security, LLC-Home Security-Commercial Security

Colorado Springs, CO

Security System

★ 4.4(243 reviews)

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Colorado Security Company

Denver, CO

Security System

★ 4.8(416 reviews)

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Security Central Inc. | Denver Home Security Systems | Business Alarm Systems Denver | Home Alarm System Monitoring

Englewood, CO

Security System

★ 4.9(823 reviews)

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Security Surveillance System

Aurora, CO

Security System

★ 4.9(421 reviews)

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Denver Secure LLC

Denver, CO

Security System

★ 4.9(76 reviews)

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Security One: Denver, Colorado Home Security Systems

Denver, CO

Security System

★ 5.0(7 reviews)

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Vivint

Denver, CO

Security System

★ 4.9(533 reviews)

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MAX Security Inc.

Denver, CO

Security System

★ 5.0(21 reviews)

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Accent Alarms

Lakewood, CO

Security System

★ 4.9(20 reviews)

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Reliable Home Technology

Denver, CO

Security System

★ 4.1(55 reviews)

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Scout Security

Denver, CO

Security System

★ 4.9(378 reviews)

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Zions Security Alarms

Castle Rock, CO

Security System

★ 4.8(43 reviews)

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ProSec Integration, LLC.

Denver, CO

Security System

★ 4.9(20 reviews)

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Pye-Barker Fire & Safety, formerly Mountain Alarm

Lakewood, CO

Security System

★ 4.7(416 reviews)

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System Links

Colorado Springs, CO

Security System

★ 5.0(35 reviews)

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Rush Security and Alarm

Colorado Springs, CO

Security System

★ 4.5(30 reviews)

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Advanced Alarm Company

Colorado Springs, CO

Security System

★ 5.0(16 reviews)

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Boom Security&Sound LLC

Colorado Springs, CO

Security System

★ 4.8(140 reviews)

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Emergency Network Security Systems

Colorado Springs, CO

Security System

★ 4.9(34 reviews)

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Fidelis Security Solutions

Colorado Springs, CO

Security System

★ 4.9(64 reviews)

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Allied Universal® Security Services

Aurora, CO

Security System

★ 3.2(153 reviews)

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Black Forest Home Security Systems

Colorado Springs, CO

Security System

★ 5.0(2 reviews)

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PalmVID Video Cameras

Colorado Springs, CO

Security System

★ 5.0(15 reviews)

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ADT Security Services

Colorado Springs, CO

Security System

★ 2.0(154 reviews)

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Think Smart Tech

Monument, CO

Security System

★ 4.1(24 reviews)

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Vigilant Tiger Security

Colorado Springs, CO

Security System

★ 4.9(100 reviews)

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ADT Security Services

Aurora, CO

Security System

★ 2.6(124 reviews)

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Advantage Security Inc

Aurora, CO

Security System

★ 3.6(31 reviews)

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Blackwatch Security Services

Aurora, CO

Security System

★ 4.7(7 reviews)

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Cyrus Alarm Services LLC

Parker, CO

Security System

★ 4.9(60 reviews)

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ADT Security Services

Aurora, CO

Security System

★ 2.0(87 reviews)

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First Class Security Systems

Greeley, CO

Security System

★ 4.8(20 reviews)

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Securitas Security Services USA

Fort Collins, CO

Security System

★ 4.2(19 reviews)

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BluGuard Security

Fort Collins, CO

Security System

★ 4.8(127 reviews)

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Security and Sound Design

Windsor, CO

Security System

★ 5.0(13 reviews)

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DRH Security

Fort Collins, CO

Security System

★ 5.0(1 review)

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DRH Security

Loveland, CO

Security System

★ 5.0(2 reviews)

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Rocky Mountain Install - Audio, Video, Data & Security

Fort Collins, CO

Security System

★ 5.0(63 reviews)

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Next Step Communications, LLC

Longmont, CO

Security System

★ 5.0(237 reviews)

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Precision Security Team

Fort Collins, CO

Security System

★ 4.3(38 reviews)

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