Where do you put your trust?

Nothing matters more than keeping you, your family, and your livelihood protected. That's a large responsibility. Call us today to protect either your home are your Business @ 314-565-7444 


Are you ever safe enough?


No one ever expects bad things to happen to them - it always happens to the other guy. Except when it doesn't.

About Us

United fire alarm Systems 

Leaders in the Security Industry,

Since 1988


  • Text message and email updates
  • Local Fire enforcement integration
  • Fire prevention and management solutions

New Service

Fire Alarm installations

In St Louis

License Contractor in both St Louis City and St Louis County.

We Install and Service Photoelectric Smoke Detectors, Provide Fire Alarm Installations in St Louis, and Fire Alarm Testing!

When it comes to the most reliable commercial and residential fire protection, suppression and alarm supply and installation,United Fire Alarm Systems is the perferred company of choice by hundreds of customers across a 200 mile radius of downtown St Louis. United fire alarm systems is a approved low-voltage contractor for both the St Louis city and county. We can also provide proper applications regarding the removal of commercial and residential fire alarm associated violations. All commercial and residential properties should have adequate fire prevention,detection,and suppression systems in place to ensure the premises is adequately protected at all times with reiable warnings.Commercial and residential fire alarm systems that united fire alarm systems installs detect smoldering, and are sensitive to small particles in the air produced by fires. These commercial and residential fire alarm products can prevent smoke from turning into an inferno.

               A Comprehensive, integrated solution is the best choice 

At United Fire Alarm Systems, we do everything needed to ensure the quality of protection you and your Business receive is of the highest caliber. And, because we integrate all of our services, we're able to deduce the most accurate picture of what's happening during a time of high urgency. While we hope you and your Business never need to use any of our emergency services, if you do, we assure you that you'll have peace of mind you made the right choice. With more than 27 years in the Fire Alarm and Security business, we know what it takes to protect you and yours. 

Fire Alarm installations In St Louis 
  • Sales
  • Design
  • Plans and Engineer Drawings
  • Service and Installations
  • Annual Inspections
  • Runner Service 
  • United Fire Alarm Systems is one of the top commercial and residential fire alarm companies in the St Louis Metropolitan area.