Brosnan® is a full-service security, protective, investigative and consulting firm to a global network of clients.

Who We Are

Founded in 1996 by Patrick J. Brosnan, Brosnan Risk Consultants, Ltd. is a full-service protective, investigative and intelligence firm to a global network of clients. Headquartered in New York with branch locations in multiple states, Brosnan®️ is one of the largest privately held providers of technology-driven security services.

Brosnan®️ focuses on leveraging manpower, data and technology to deploy Smart Security Solutions for our customers. These solutions include the Brosnan Command Center®️ which offers 24/7 command, control, communication and coordination of thousands of security professionals nationwide.

For almost 25 years, Brosnan®️ has evolved as risk has evolved by providing security solutions that not only help protect against threats but identify and mitigate issues before they become a threat.

Brosnan’s shift from the historical delivery of labor-based security to technology-infused risk mitigation solutions has provided a safer and more secure environment for our clients. The unwavering commitment to identify, test, and pilot innovative best-in-class security technologies has redefined our service delivery. Over its history, Brosnan® has consistently seized opportunities to meet changing client needs.


Brosnan® provides security, protective, investigative and consulting services to a broad spectrum of industries across the United States and Canada. In addition, Brosnan® maintains strategic relationships with high-end peer firms in Africa, Eastern Europe, Jordan, Iraq, Japan, Saudi Arabia, United Kingdom and Russia. We can assure the safety of our principals whether in New York City or Moscow. Brosnan’s global reach guarantees seamless protection and ensures safety at home, in the workplace, and abroad.

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The Leader in Security Services