Advanced Professional Security Systems (APS), headquartered in Phoenix, Arizona, is a full-service security management firm committed to delivering exceptional protection and cutting-edge security technology solutions. Serving clients across commercial, government, residential, and high-risk sectors, APS is known for its customized approach to security—blending manpower, technology, and strategy to protect people, property, and critical infrastructure throughout Arizona.Since our founding, APS has earned a solid reputation for dependability, professionalism, and responsiveness. Our success is built on a deep understanding of the unique challenges facing modern businesses and institutions in today’s rapidly evolving security landscape. Whether it’s a corporate office, industrial site, residential community, public event, or government facility, APS provides the expertise and tools needed to mitigate risk, prevent loss, and ensure safety.