As a premier home security system and security guard service provider since 1984, ACS offers all the protection and security you need from one source! We are one of the only local security providers that monitor alarms and will dispatch armed guards from your alarm system notification to your home or business. This means expedited security service for you and the nearly 20,000 customers across more than 40 communities we serve in the LA area. We will customize your home or business security system, security cameras for the best security system provided on the market. Looking for an alarm system with smart home automation - that's also our specialty, too! Give us a call and we will get you secure! Serving the Los Angeles area and more!