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14 Best Home Security Companies in Denver

Denver home security companies serve very different needs, from a first alarm installation to a complex upgrade involving cameras, automation, access control, or water protection. Start by defining whether you need a new system, an improvement, or help fixing an existing one.

The most useful comparisons focus on the equipment involved, the installation scope, mobile control, and the level of guidance you want. Clear planning and careful work matter when wiring, sensors, cameras, or integrations are involved.

How this guide is ordered

This list of home security companies in Denver comes from checking each business's expertise, its customer ratings and its contact information.

Certain businesses pay to appear in more visible positions.

Top 3Full listMapHow to choose

Compare 14 local options

SafeStreets Home Security Denver#1
What stands out
  • Tailored ADT-monitored installations

SafeStreets Home Security Denver

4.91,444 reviews
Best for
Home alarm installationsCamera and automation upgrades

SafeStreets Home Security Denver designs and professionally installs ADT-monitored security systems for Colorado homes. Solutions can include alarms, cameras, smoke alarms, video surveillance and home automation, with packages tailored to the household rather than treated as a one-size-fits-all setup.

The installation process stands out for patient explanations, careful wiring and attention to keeping the home clean while work is underway. Technicians take time to demonstrate equipment and confirm that the system is functioning properly, making SafeStreets a useful option for homeowners who want guided setup instead of a DIY project.

Security Central Inc., Denver#2
What stands out
  • Practical alarm system modifications

Security Central Inc.

4.9836 reviews
67 Inverness Dr E Unit b, Englewood, CO 80112, United States
Best for
Existing alarm upgradesMobile-control integration

Security Central Inc. installs, modifies and services security and alarm systems in Denver, including upgrades that connect existing equipment with newer automation or mobile-control platforms. The team is comfortable assessing complicated installations, adding components and recommending straightforward solutions when a full replacement is unnecessary.

Its working style is defined by meticulous installation, clear explanations and responsive communication. Customers seeking practical system modifications, careful troubleshooting or a cleanly managed installation may appreciate the combination of technical problem-solving and restrained recommendations.

Security Surveillance System, Denver#3
What stands out
  • Residential and commercial surveillance

Security Surveillance System

4.9449 reviews
10630 E Bethany Dr a, Aurora, CO 80014, United States
Best for
Commercial camera systemsAccess control installations

Security Surveillance System supplies and installs video surveillance, security cameras, burglar alarms, access control and door-entry systems for Denver homes and businesses. Commercial projects can be tailored for settings ranging from small retail spaces to larger multi-unit properties, while residential installations receive the same attention to system configuration and usability.

Technicians are recognized for arriving prepared, explaining the work and teaching customers how to manage the finished system. The company also provides maintenance and troubleshooting, making it useful for new installations, remote-viewing issues and access-control upgrades.

Colorado Security Company, Denver#4
What stands out
  • Customized property assessments

  • Existing hardware can be reused

Colorado Security Company

4.8438 reviews
2401 S Downing St, Denver, CO 80210, United States
Best for
Residential alarm and camera systems

Colorado Security Company designs and installs burglar alarm and security camera systems for Denver-area homes and businesses. The process begins with a direct assessment of the property, followed by a customized proposal that can incorporate existing hardware when that makes sense for the project.

The team is known for clear communication, tidy installation and practical explanations of how the system works. Customers seeking a carefully scoped setup, reasonable equipment choices or a professional handoff after installation may find the company especially appealing.

HomeSync Security, Denver#5
What stands out
  • Security, access, and Wi-Fi integration

HomeSync Security

4.9119 reviews

HomeSync Security installs and supports alarm systems, security cameras, access control, and Wi-Fi for homes and businesses in Denver and throughout Colorado. Its scope also extends to connected technology, including Starlink installation and systems designed to work together more smoothly.

The company is a strong fit for property owners who need more than a standalone alarm. Camera troubleshooting, keyless entry, thermostats, network connectivity, and commercial security projects all sit within the same broader service offering. Work is described as efficient, professional, clean, and carefully completed, with technicians dispatched across the state.

Denver Secure LLC#6
What stands out
  • Tailored cameras, alarms and access control

Denver Secure LLC

4.980 reviews
5650 E Evans Ave #100, Denver, CO 80222, United States

Denver Secure LLC installs and repairs alarms, CCTV and access-control systems for homes, businesses, residential communities and specialized facilities in Denver. Its approach begins with the building’s particular risks and operational needs, allowing the resulting system to be shaped around the property rather than treated as a standard package.

Camera installation and repair are central services, with support that can include multi-door access control and connected surveillance. The team’s strengths are prompt communication, quick professional work and straightforward guidance from planning through completion. It is a strong match for commercial buildings, HOAs and homeowners seeking a responsive security partner.

Catalyst Security Group Inc, Denver#7
What stands out
  • Commercial security integration with AI analytics

Catalyst Security Group Inc

4.947 reviews
981 E 70th Ave Unit D, Denver, CO 80229, United States

Catalyst Security Group focuses on commercial security installations and integrations in Denver, with capabilities covering access control, CCTV, video surveillance, intrusion detection and AI analytics. The team is equipped for projects where cameras, networks and entry systems must work together across a business property.

Its defining strength is practical project execution: careful planning, creative solutions when site conditions become complicated, timely completion and communication throughout the work. Catalyst is particularly suited to commercial facilities, technology-focused sites and owners who want a knowledgeable installation team able to address both security hardware and the supporting infrastructure.

American Security Professionals, Denver#8
What stands out
  • Custom Honeywell systems with smart integration

American Security Professionals

4.747 reviews

American Security Professionals installs custom security systems for Denver homes and businesses, including alarms, cameras and smart integration. The company specializes in Honeywell alarm systems and also provides video surveillance, monitoring and tailored options for different property types.

Its service stands out for detailed consultations, accessible support and careful explanations of how the system will work. Installers take time to assess the property, discuss practical choices and help with app-related questions after installation. With a long-standing Denver presence and a family-owned structure, it suits property owners looking for a continuing local partner rather than a one-time equipment drop-off.

MAX Security Inc., Denver#9
What stands out
  • Personalized alarm and CCTV planning

MAX Security Inc.

5.022 reviews
2171 S Trenton Way #226, Denver, CO 80231, United States

MAX Security supplies and supports security systems for Denver homes and commercial properties, including CCTV, cellular monitoring, wireless technology, and alarm installations. The company also works with advanced monitoring infrastructure through its monitoring partner, giving property owners a route from equipment selection through ongoing protection.

Personal service is a defining part of the approach. The team takes time to understand the space, explain setup and new implementations clearly, and respond quickly when questions arise. MAX Security suits customers looking for a knowledgeable local partner, a straightforward installation process, and a security system tailored rather than treated as one-size-fits-all.

Lomas Security LLC, Denver#10
What stands out
  • Access control and low-voltage expertise

Lomas Security LLC

5.016 reviews
1425 Brentwood St, Lakewood, CO 80214, United States

Lomas Security installs commercial and residential security systems in Denver, with expertise spanning alarms, cameras, access control, low-voltage cabling, intercoms, door hardware, biometric readers, maglocks, and panic-exit devices. That breadth makes it particularly relevant for properties where entry management and surveillance need to work together.

The team emphasizes careful, professional installations and clear answers throughout the process. Projects can include home alarm and camera setups as well as more involved commercial integrations, with the practical focus placed on dependable hardware, clean execution, and systems that are straightforward to operate.

Home Security Centers, Denver#11
What stands out
  • Patient system setup and instruction

  • Residential and commercial coverage

Home Security Centers

4.426 reviews
9940 E Costilla Ave, Englewood, CO 80112, United States

Home Security Centers installs customized alarm systems for homes and businesses across the Denver metro area. The company combines residential protection with commercial planning, tailoring systems to a property’s layout, operations, and security needs rather than relying on a fixed package.

Detailed consultations, patient explanations, and careful setup are central to the service. The team can install equipment such as Ring cameras, configure the accompanying app, explain operation, expand an existing system, or address individual sensors. Same-day service and responsive follow-up add practical value when a household or business needs help quickly.

Reliable Home Technology, Denver#12
What stands out
  • Security paired with smart-home technology

Reliable Home Technology

4.154 reviews
747 Sheridan Blvd #6c, Denver, CO 80214, United States

Reliable Home Technology installs home security and smart-home systems throughout Denver, the metro area, and the Front Range. Its work also covers home automation, audio-visual equipment, and connected technology, creating a practical option for households that want security and everyday convenience handled together.

The company’s approach centers on straightforward recommendations, no high-pressure sales tactics, and systems that are easy to use. Installations are described as timely, meticulous, neat, and respectful of the property, with patient explanations that help owners feel comfortable navigating cameras, audio, visual programming, and smart-home controls.

Respond Security, Denver#13
What stands out
  • Multi-layered home protection systems

Respond Security

5.08 reviews
1199 S Bannock St, Denver, CO 80223, United States
Best for
Homes needing integrated water protection

Respond Security installs home and commercial security systems in the Denver area, building solutions that can include alarms, surveillance cameras, automatic door locks, water detection, main-valve shutoff, and video doorbells. The company’s strength lies in bringing several protective functions together in one carefully planned installation.

Communication is a consistent part of the service, from pricing questions through completion. The team is known for arriving as arranged, staying within the agreed budget, explaining the work clearly, and completing installations efficiently. Respond Security is suited to property owners who want a responsive project partner and a system designed around practical risks.

SLocal option
#14
What stands out
  • Flexible packages with 24-hour monitoring

Security One: Denver, Colorado Home Security Systems

5.07 reviews
7900 E Union Ave #1100, Denver, CO 80237, United States

Security One supplies home alarm systems for Denver households, pairing wireless equipment with professional installation and 24-hour monitoring. Its service structure includes multiple package options, allowing equipment and monthly features to be matched to different protection needs rather than forcing every home into the same plan.

The systems are designed to be understandable and non-invasive, with customer support that patiently addresses questions about equipment, billing, contracts, and operation. Security One is a sensible fit for homeowners seeking affordable, easy-to-use protection with ongoing monitoring while they are home or away.

The comparison at a glance

#BusinessRatingReviewsBest for
#1SafeStreets Home Security Denver 4.91,444Home alarm installations
#2Security Central Inc. 4.9836Existing alarm upgrades
#3Security Surveillance System 4.9449Commercial camera systems
#4Colorado Security Company 4.8438Residential alarm and camera systems
#5HomeSync Security 4.9119—
#6Denver Secure LLC 4.980—
#7Catalyst Security Group Inc 4.947—
#8American Security Professionals 4.747—
#9MAX Security Inc. 5.022—
#10Lomas Security LLC 5.016—
#11Home Security Centers 4.426—
#12Reliable Home Technology 4.154—
#13Respond Security 5.08Homes needing integrated water protection
#14Security One: Denver, Colorado Home Security Systems 5.07—

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Map of home security companies in Denver

The available choices are not limited to one named Denver area. Some providers focus on residential installations, while others also handle commercial cameras, access control, or larger integrated systems. Use the map to judge travel and service practicality, but ask whether the company sends technicians to your property and covers the equipment or system type you already have.

Services to compare

  • Home alarm installationPlan a new residential alarm system with sensors and controls suited to the property’s entry points and household routine.
  • Camera and automation upgradesAdd surveillance cameras or connect security equipment with home automation for a more coordinated setup.
  • Existing alarm upgradesImprove an older alarm system without automatically replacing every component, subject to equipment compatibility.
  • Mobile-control integrationConnect compatible alarms and cameras to mobile controls so users can manage or check the system remotely.
  • System troubleshootingGet help diagnosing difficult faults in an existing security installation, including systems with multiple components.
  • Commercial camera systemsCompare providers able to plan surveillance for commercial premises rather than only single-family homes.
  • Access control installationAddress controlled entry needs with systems designed for doors, users, and property access management.
  • Water protection integrationAsk about connecting water sensors or related protection to a broader residential security arrangement.

How to choose home security companies in Denver

  1. Describe the project firstTell the installer whether the job is a new alarm, a camera upgrade, a repair, or an expansion of equipment already in place.
  2. List existing equipmentProvide model names, control-panel details, and camera information so the company can assess compatibility before recommending replacement.
  3. Ask what the quote includesClarify equipment, wiring, mounting, programming, testing, removal of old components, and any follow-up visit.
  4. Test remote featuresAsk which mobile functions are supported, whether cameras can be viewed remotely, and what happens if the internet connection fails.
  5. Confirm the visit planFor troubleshooting or larger installations, ask how long the assessment takes and whether a site visit must be scheduled in advance.
  6. Check coverage typeVerify that the provider serves your residential or commercial property and handles the specific access, camera, alarm, or water-protection work required.

Frequently asked questions

Can a security company upgrade an existing alarm instead of replacing it?

Some providers work with existing alarm equipment, including upgrades and mobile-control integration. Compatibility depends on the panel, sensors, communication method, and condition of the installation. Share the system details before booking so the technician can assess whether an upgrade is practical.

What should I prepare before requesting a home security quote?

Prepare a basic property layout, the number of doors and windows involved, current camera locations, and any equipment you want to keep. Explain whether you need monitoring, automation, or remote access. This gives the installer a clearer basis for discussing scope and equipment.

Do all home security companies install commercial camera systems?

No. Some companies concentrate on residential alarms and cameras, while others also handle commercial surveillance or access control. The distinction affects design, recording needs, entry points, and installation scale. Ask directly about comparable commercial projects before arranging a site visit.

Can security systems include water protection?

Some residential providers can incorporate water sensors or related protection into a wider connected system. The available setup depends on the alarm platform and the property’s risk areas. Ask where sensors would be placed and how alerts would reach you.

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