Armed Guard Specialty
Expert defense
24/7 Site Security
Mobile Patrols
Event Security
Critical Infrastructure
Maintain round-the-clock defense at high-stakes sites to minimize risk and secure your critical resources.
Maximize safety with visible mobile patrols and rapid response to alerts. Our flexible, cost-effective coverage ensures site security for multi-unit facilities.
Ensure total safety with rigorous access monitoring and rapid incident response for controlled events.
Securing vital infrastructure and key teams to ensure uninterrupted operations.
Why Clients choose Caliburn
Clients rely on Caliburn because we prioritize mission-critical security and reliability. Our approach is rooted in real-world operational experience, ensuring your high-risk assets, workplace, or community are protected by proven specialists.
Reliable and scalable to reduce operational risk.
Direct and transparent mission communication.
Training-backed tactical response protocols.
Locally owned and operated family business.
STRATEGIC ASSET protection
Proven In The Field
Established in Helena, MT, by Noel Castro in 2026, Caliburn Security Group was built to bridge the gap between high-level security needs and community safety.
We provide mission-critical protection for government and industrial sectors, specializing in risk mitigation for rapidly growing regions.
Our foundation rests on over a decade of operational excellence in corrections, private investigation, and armed patrols across Oregon, Washington, and Texas.
We are dedicated to providing the specialized expertise and professional coordination required to secure high-risk environments and support emergency law enforcement services.