About Sentinel Management Group

Event Security Manhattan

Sentinel was founded in 2003 by Robert J Buser. Mr. Buser is a former NYPD Captain and graduate of the FBI National Law Enforcement Academy in Quantico, Virginia.  Our team has been handpicked from the greater New York City law enforcement community and private security sector to form a cohesive, experienced, and professional security and investigation firm.

We are a New York based, full-service security and investigative firm; providing security and investigative services to leading businesses of all sizes in the greater New York region and in the national and international markets. Sentinel has grown from a startup to over 270 registered New York State security officers and a professional team of investigators.

Sentinel is dedicated to our client’s safety and security. The peace of mind security and support and service that we provide to our clients is our most valued and cherished asset. It is our belief that a well measured security and safety presence has never been more important and we stand ready to assist your organization.

We live and breathe New York; it is part of our DNA. But we also maintain a strong liaison within the local, national and international law enforcement community and the private security sector. We are strategically positioned to protect your organization on both the national and international level.

Our mission is predicated on uncompromising integrity, safety, service, and reliability. We have a straightforward approach and goal: “Service to our clients — service at the highest level of accomplishment.”

Our services include:

  • Armed & Unarmed Security Guards
  • Fire Safety Services and Training
  • Special & Corporate Event Security
  • Employment Screening & Background Investigation
  • Threat Assessment & Security Audits
  • Executive/VIP Protection
  • Training Seminars
  • Luxury Retail Security Agents
  • Surveillance
  • Investigation
  • Quality Assurance/Testing
  • Loss Prevention
  • Event Security 

Please contact us for a confidential consultation – your Security & Investigation Firm at 718-740-3600.