A-1 Security Systems
  • Call (410) 653-9568

    Choosing A1 Security Systems means choosing a local security partner with a legacy of excellence. 

    Since 1985, we have been dedicated to providing top-notch security solutions, servicing and installing in Baltimore, DC, and the surrounding areas. Our commitment to the local community sets us apart, and we take pride in being a trusted name in the region.

Comprehensive Commercial Security Solutions

Surveillance Cameras

Secure your commercial space with our cutting-edge surveillance camera systems. Since 1985, we've been at the forefront of technology, delivering high-resolution cameras for detailed monitoring in Baltimore, DC, and beyond. Our systems empower you with remote management capabilities, allowing you to keep a watchful eye on your business operations and employees from anywhere.


Commercial Alarm Monitoring

Experience prompt and reliable alarm monitoring services that have been a cornerstone of our local presence for over three decades. Trust us to keep your business assets safe and secure.

Intrusion Detection for Burglary:

Our advanced intrusion detection systems are tailored to the unique needs of businesses in Baltimore, DC, and the surrounding areas. Count on us to deter and detect potential threats effectively.

Alarm System Installation

Camera Installation

Smart Home Security Monitoring

Fire Alarm Monitoring 

Local Presence Since 1985

Benefit from our deep roots in the community. Since 1985, we have been proud to serve and protect businesses in Baltimore, DC, and the surrounding areas.

Save on Alarm Monitoring

As a local security provider, we understand the unique needs of businesses in our community. We offer competitive pricing to help you save on alarm monitoring without compromising on quality.

All Your Low Voltage Needs


Trust our local expertise for efficient low voltage solutions customized for businesses in Baltimore, DC, and the surrounding areas. From wiring to connectivity, we've been a reliable partner in building robust infrastructures.

Licensed Technicians

We take pride

 in our commitment to safety and expertise, ensuring the highest level of security for our clients with licensed alarm technicians.