Denver, CO (303) 452-2000


Innovative business security solutions start with Alarm One!

Operating a business is hard enough, without the additional stress and worry of an unreliable security system that leaves your business vulnerable to vandalism, theft, fire and other catastrophic events.

Fortunately, your business doesn’t have to settle for a less than ideal security solution, when your choose Alarm One! as your security provider. We’ve been providing high quality commercial-grade security solutions to Denver area businesses just like yours since 1985, protecting millions of dollars in assets, in an increasingly uncertain world.

We sell, install and service commercial security products from Honeywell, one of the most trusted names in the business. Our company is equipped to meet all of your organization’s security needs, including commercial burglar and fire alarm systems, commercial monitoring services, closed circuit television systems, commercial intercom systems, commercial access control systems and more.

Reliable Business Protection

As a Denver area Honeywell Authorized Dealer for Commercial Security Systems, you can count on Alarm One! to provide the high quality security equipment that your business needs, according to a custom tailored plan that meets all of your specifications. We provide expert installation of your security system, as well as post installation training and maintenance support, to ensure that your security system always performs at an optimal level.

Expert Service Installation

Tackling the most challenging commercial security projects is something that our company has become known for. Regardless of your company’s size, location or environment, you can trust Alarm One! to professionally install your commercial security system correctly the first time around, while minimizing any impact on your normal business operation.

Remote Business Monitoring


We offer CCTV systems, security webcam monitoring services and other options for monitoring your business. Contact us today, to learn more about the various security products and services that we provide that allow you to monitor your business, employees and inventory while on-site or while away.