50 Years of Making Security Simple
From keycard pioneer to cloud-managed security leader — Kastle has been protecting the built environment since 1972.
From Keycard Pioneer to Cloud-Managed Security Leader
In 1972, Kastle Systems invented the keycard. Over five decades later, we've evolved into the nation's leading managed security provider — protecting 60,000+ businesses across 3,600+ properties with cloud-based access control, video surveillance, and visitor management. Our managed approach means you get enterprise-grade security without the complexity of building and maintaining it yourself.
- Founded in 1972 — invented the keycard lock
- Nation's largest managed security provider
- Headquartered in Falls Church, Virginia
- Average client relationship exceeds 10 years
The Kastle Managed Security Model
From initial assessment to ongoing optimization — we handle every step so your team can focus on the business, not the badge readers.
Assessment
We evaluate your properties, identify vulnerabilities, and design your custom security plan.
Installation
Our certified technicians install enterprise-grade hardware with zero disruption to your operations.
Activation
Your security goes live. Our experts configure every access point and camera zone.
Monitoring
Dedicated Kastle specialists monitor your security 24/7/365 from our Security Operations Centers.
Optimization
Quarterly reviews and proactive updates keep your security ahead of evolving threats.
60,000+
Businesses Protected3,600+
Properties Secured50+
Years of InnovationOur Leadership
The team driving Kastle's mission to protect the people, property, and assets our customers value most.
Haniel Lynn
Chief Executive Officer
Leading Kastle's mission to make physical security simple, affordable, and effective for organizations of all sizes.
David Park
Chief Technology Officer
Driving innovation in cloud-based access control, AI-powered analytics, and the integrations that make managed security seamless.
Rachel Torres
VP of Sales
Building strategic partnerships with enterprise real estate portfolios and multi-site operators nationwide.
James O'Brien
VP of Marketing
Transforming how the security industry communicates value to property professionals who deserve better than vendor-speak.
Ready to simplify your security?
Get a free security assessment and discover the Kastle difference — no obligation, no pressure.