Security Training & Services
Civil disorder, active shooters, car-jackings, robberies, abductions and hostage situations occur randomly and more frequently every day. Castellum Group offers peace of mind with professional agents trained and experienced to train you to secure what matters most – your home, your business, your people.
Our protective services cover the Orlando, Melbourne, and Central Florida areas.
Castellum Group, LLC is led and operated by current and former SWAT team leaders and trainers with decades of executive protection and emergency response experience. For decades they have provided realistic and safe crisis and emergency preparedness training to clients across the country.
All of our agents are highly trained, experienced veterans of Law Enforcement from either a Federal, State or Municipal Police Tactical Unit.
A 3000104, B 3000168, and C 3000145
“I’m Bill Young, and I founded Castellum Group to help people and organizations navigate risk and complex security challenges with confidence. I have over 30 years of experience in law enforcement, tactical operations, and leadership, including roles with the Pennsylvania State Police and NASA’s Kennedy Space Center.

Bill Young, Founder & Principal Consultant, Castellum Group, LLC
I’ve built a career around protecting people, solving problems, and leading teams through high-stakes situations. Now, with my Hardcastle Training group, we focus on educating and instructing citizens and the private sector – in their setting, on how to mitigate risk and survive violent encounters.
Whether you’re a homeowner, a business looking to safeguard your assets, or a public agency preparing for critical incidents, we will bring our unique blend of life-saving operational insight, innovative training methods and strategic thinking to you or your organization.
At Castellum Group, we don’t just offer services—we deliver peace of mind by combining our deep operational and training experience with a passion for helping individuals and teams perform at their best – especially when the stakes are high.”