Kastem Security Solutions is a security and systems integration company serving residential, retail, and construction projects. The company designs, integrates, installs, and maintains security and monitoring systems, with solutions ranging from straightforward home installations to complex projects such as condominium towers. Its services include intrusion alarms, CCTV, door access control, building entry systems, structured cabling, and zoned audio. Kastem also offers time and attendance solutions and construction-site video monitoring supported by custom analytics, quality optics, and trained operators.

For homes, the company provides systems for security, lighting, background audio, home theaters, and data infrastructure, helping customers modernize and simplify their properties. Its work can also include voice-activated lighting and advanced video analytics. Kastem emphasizes streamlined design and practical, integrated installations for both new construction and existing locations. The company says its crews are fully insured, safety trained to current standards, and WHMIS certified. With experience coordinating new-build work alongside other trades, Kastem aims to deliver systems that meet project needs while minimizing disruption.