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 500 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, Investigations, Executive Protection, Emergency Response and Disaster Recovery, Fraud Investigations and Forensic Accounting, COVID-19 protection, Comprehensive Risk Consulting, Employee Background Screening, Security Software & Technology and Systems Integration.
The Brosnan Difference
Security Services
Brosnan® Security Officers are highly trained and consistently ranked as the best security guards in the business.
Technical Services
Physical security measures can be greatly enhanced by digital security technologies.
Fraud Investigations and Financial Accounting
Brosnan differentiates itself from the competition through innovative technology solutions combined with a seasoned team of legal, investigative, forensic and intelligence expertise.
Consulting
We will develop comprehensive safety and security plans to protect every important element of your business.
Emergency Planning and Disaster Response
Our team can work with you to prepare for — and respond to – any emergency situation.
Retail Loss Prevention
Our cost-effective, results-driven programs have changed the way companies deploy loss prevention strategies throughout their portfolios.
OVER A THOUSAND YEARS OF COMBINED INVESTIGATIVE TALENT
Download The Investigations Brochure
Incidents of fraud can cause major disruption to businesses and have a lasting impact on profit, performance, and reputation. Our fraud investigations are tailored to the needs of the client. Our global teams of experts—with credentials in finance and accounting, intelligence, cyber-crime, law, and law enforcement — are supported by technology and data analysis tools to conduct deep inquiries into questions of large-scale fraud and misconduct. We offer an unmatched depth of experience in highly complex, multijurisdictional fraud investigations. We help clients understand the circumstances, weigh their options for remediation, assess the damage and recover from it, and prevent similar incidents from happening again.
Security Services
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