Safe Systems is now Alarm Detection Systems. Different name, same excellent service.

Protecting Boulder County, Northern Colorado, the Eastern Plains, and Colorado Springs


Business Alarm Systems

From Colorado’s Local Security Company.

At Alarm Detection Systems, we specialize in providing security and peace of mind to businesses throughout the greater Denver area. We’ve been protecting Colorado for more than 35 years and employ more than 100 trained professionals who provide personalized service, ensuring that your business is safe and secure.

When you run a business, your daily to-do list is always growing and it’s easy to overlook certain aspects of your day-to-day operations. One area you should never overlook, however, is the security and safety of your workplace. As the owner or manager of a business, you’re charged with keeping that business running not only smoothly, but safely as well.


As the leading alarm company in the Denver area, we are a one-stop alarm system provider.


    • Burglary & Intrusion — Keeping your business and its assets safe from criminals is one of your biggest responsibilities as an owner or manager. We offer perimeter door protection, interior intrusion sensors and other equipment to keep your premises safe.
    • Security Cameras — We offer IP security cameras with digital video recorders or network video recorders. We also maintain and repair equipment for your convenience.
    • Fire Alarms — A fire can destroy a business in very little time. To protect yours, we design and install state-of-the art fire alarm equipment. We also test, monitor and repair it.
    • Card Access — Our card access systems let you monitor and control the access of employees, customers and other visitors to your workplace. We offer keypad, swipe, key fob and other options that can be integrated with various systems including video entry access programs.
    • Alarm Monitoring — Our operators provide 24-hour alarm monitoring 365 days a year and are trained to handle any emergency that may arise.

Alarm Detection Systems Protects Thousands of Businesses in Denver, Boulder County, Northern Colorado, the Eastern Plains, and Colorado Springs.

These are some of the major industries we serve.




Financial Institutions


Manufacturing & Distribution

Property Managers

Places of

Property Managers








Home Security

Let’s talk about making your home smarter.

Protecting your home and providing security for the things that are most precious to you is a responsibility we take very seriously. The Alarm Detection Systems team carefully assesses the security needs of every client and provides comprehensive solutions.

Schedule Your FREE Evaluation

We don’t sacrifice safety, and neither should you.

For the fastest response to your inquiry. Please use the instant chat function in the bottom right corner of this web page during regular business hours 8:00 a.m. to 5:00 p.m. or call 1.800.446.7519

Join Our Team.

We Believe in Respect, Professionalism, and Integrity.

Employment at Alarm Detection Systems means being a part of a team of leaders in security systems. Join a group of exceptional people who share a common passion for providing the highest level of service to thousands of customers every day.