About Us

Brosnan is full-service investigative, protective and intelligence firm to a global network of clients

Who We Are?

Headquartered in New York City, with branch locations in multiple state, Brosnan is one of the largest providers of security services in the United States. With more than 200 years of law enforcement experience, Brosnan understands unique business regulations that affect your organization. Brosnan protects your people, property and assets by understanding and mitigating security risk. We offer a suite of products and services — including security professionals, risk consulting and investigations, background screening, security software and technology, — that align to deliver innovative, essential and scalable solutions that span your entire operation.

We combine our offerings to provide a comprehensive customer experience that delivers real, sustained and measurable value. Structured to provide top-tier, cost-effective services, Brosnan is national in scope and functions in a wide range of sectors.

Brosnan's senior management team, led by Pat Brosnan, has over 200 years of law enforcement experience. From assessment to implementation, Brosnan has the ability to seamlessly integrate protective services with a proactive and tiered approach that assesses threats, devises answers, and ensure operational continuity.

People protected
every day
Locations served
Years Of Law Enforcement
Brosnan Security maintains strategic relationships with high-end peer firms in Africa, Eastern Europe, Jordan, Iraq, Japan, Saudi Arabia, 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.
Strategic Partners
Gaffco Ballistic
For over fifteen years Gaffco Ballistics has specialized in the design/build of high-end residential safe rooms in both the USA and international locations. All engineering is performed in-house which ensures seamless integration of all our security components and ancillary systems that would normally be specified by the in-house security consultants.
Global Guardian
New York, NY – October 6, 2013 – Brosnan Risk Consultants has formed a strategic partnership with Global Guardian which provides armed protection and other like security solutions to clients traveling in static regions across the globe.

From the Americas, West and North Africa, to Asia, Global Guardian’s security teams provide personal security detail and focus in areas of highest traveler demand.
The Rodgers Group
New York, NY – November 21, 2013 – The Rodgers Group has gone to considerable lengths to carefully select a cadre of verifiable subject matter experts. Cumulatively, they represent some of the most experienced names in their respective fields. The Rodgers Group’s consultants are experts in CALEA and NJSACOP accreditation and law enforcement operations.

Extensive subject knowledge is paired with a custom program to meet varying departmental needs to ensure our clients achieve even their most challenging goals. Because the Rodgers Group is an interdisciplinary, research-based organization, each consultant is able to draw from the collective wisdom of other staff members.
Oxford Solutions
In today’s cyber landscape, the notion of perfect security is a thing of the past. Internet threats to systems and data can impede business operations, limit productivity, compromise valuable assets and damage your business’ reputation. Cyber security breaches will continue to happen, as motivated attackers will always find a way to access critical data. All companies, regardless of size, industry, and complexity, will face many of the same problems when it comes to cyber security.

Our team is comprised of industry recognized cyber experts. We leverage our extensive intelligence community based experience that allows for the delivery of our comprehensive and cost-effective solutions encompassing people, processes and technology.
U.S. Information Security
New York, NY – February 3, 2012 – Brosnan, a leading national risk management firm, has joined in a strategic partnership with U.S. Information Security (USIS), a third generation security solutions company, to provide state of the art technology services to the corporate, commercial, residential and construction sectors.

As system security designers, USIS provides full-service information transport systems such as access control, CCTV, intrusion detection and fire detection. All systems are designed and built by USIS, providing custom systems capability, seamless integration and a single point-of-contact.
Get Started with Brosnan
People, Equipment and Services for Your Organization’s Security Needs