Security On-Line Systems is a trusted brand that specializes in providing top-quality electronic security systems and related services. With over 45 years of experience, our team has been designing, installing, maintaining, and monitoring high-quality security/intrusion/burglar alarm systems, automatic fire detection and monitoring systems, electronic access control/electronic locking systems, IP-based camera systems with networked video recorders, intercom and entry systems, voice evacuation systems, emergency communication systems, and other low voltage systems. We serve a wide range of markets, including institutional, industrial, commercial, and high-end residential.

Our expertise also extends to high hazard, high-risk, and fully integrated systems. As a locally based and privately owned company, we take pride in providing exceptional customer service. Our UL listed, IQ certified central monitoring station is operated by highly trained professionals who are available 24/7.

All our sales and technical staff are NICET certified, ensuring their high level of expertise. We are affiliated with reputable organizations such as AFAA, ASIS, BBB, ICC, IQ Certified, NFPA, NICET, and Philadelphia Fire Department Historical Association. Based in Ambler, PA, we proudly serve the Delaware Valley region, including Montgomery, Bucks, Chester, Delaware, and Philadelphia Counties.

For customers with multiple locations, we extend our services to areas such as York, PA, the Poconos, and the Jersey Shore. Whether it's for your home or business, Security On-Line Systems is dedicated to providing comprehensive and reliable security solutions