​​​Kastle is a premier managed security service company San Francisco, CA. Leading the security industry since 1972, we provide state-of-the-art security solutions for clients across San Francisco, the nation, and the world protecting more than 2 million people across 10,000+ locations globally.

Our Philadelphia security experts offer a suite of integrated solutions including access control, video surveillance, visitor management and identity management, as well as mobile security applications – all integrated on an open, standards-based platform and supported by a team of experts 24x7x365.

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Kastle supports a broad range of properties across Philadelphia, including Class A office buildings, multi-tenant campuses, mixed-use developments, residential high-rises, and government or civic facilities. Our solutions are designed for both new construction and existing buildings looking to modernize their security.
In Philadelphia, Kastle provides enterprise-grade access control solutions that include cloud-based access management, mobile credentials for smartphones and wearables, key fob systems, and tailored visitor management. Kastle’s access control solutions are scalable, supporting everything from single buildings to large multi-site portfolios while maintaining high levels of security and operational efficiency.
Access control ensures only authorized individuals can enter specific areas while providing real-time activity tracking for better visibility and investigations. It reduces risks like unauthorized entry and supports emergency response measures such as lockdowns and controlled access during incidents.
Kastle provides AI-enabled video surveillance systems with IP cameras, cloud and edge recording, and centralized video management. These systems integrate with access control and analytics to give property teams clearer visibility and faster response to events.
Yes, Kastle offers professional monitoring services in Philadelphia supported by trained security operations teams. Monitoring options include 24/7 alert monitoring and escalation, real-time incident notifications, and AI-driven event filtering to reduce false alarms.
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