Brosnan is the largest privately-held security services company in America

Brosnan is the largest privately-held security services company in America

Reliable Protection with Brosnan®

For over 25 years, Brosnan has leveraged evolving technologies, manpower and data to reduce organizational risk to clients. Headquartered in New York, and operational in 45 states and over 450 cities. Brosnan deploys its patented Smart Security Solutions so our customers can mitigate issues before they become threats.

Our suite of products and services includes Security Officers, Executive Protection, Emergency Response and Disaster Recovery, COVID-19 protection, Comprehensive Risk Consulting, Employee Background Screening, Security Software & Technology, Systems Integration and Investigations.

The Brosnan Difference

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Security Services

Brosnan® Security Officers are highly trained and consistently ranked as the best security guards in the business.

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Technical Services

Physical security measures can be greatly enhanced by digital security technologies. 

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Real Estate Security (C2O)

Brosnan secures properties from construction to occupancy (C2O).

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Consulting

We will develop comprehensive safety and security plans to protect every important element of your business.

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Strategic Response Team (BSRT)

The BSRT program is comprised of elite teams of off-duty or former law enforcement professionals available for rapid deployment.

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Emergency Planning and Disaster Response

Our team can work with you to prepare for — and respond to – any emergency situation.

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Retail Loss Prevention

Our cost-effective, results-driven programs have changed the way companies deploy loss prevention strategies throughout their portfolios.

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Health

Disease Outbreak Response

As America recovers from the coronavirus pandemic, your business will need support. Brosnan® can help you reopen with confidence.

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Brosnan's New Security Offerings

As America recovers from the coronavirus pandemic, your business will need support. Brosnan® and its state-of-the-art 24/7 command center is ready to help. With a proven track record in crisis management and response, we are here to assist you in returning to a safe work environment.

Services now include:

  • Brosnan PPE Compliance Officers

  • Brosnan Strategic Response Teams

Watch the Video & Download Your FREE Strategic Response Team Guide

Brosnan's Strategic Response Team is an elite group of security experts trained to deter and defuse threats arising from violent protests, civil unrest, natural disasters and national crisis.

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People, Equipment and Services for Your Organization's Security Needs