
Security Company Brooklyn NY
Looking For A Security Company in Brooklyn?
Choose a company that offers professional, experienced security services delivered by highly trained security personnel. AGB Investigative Services Inc. is providing professional security service in Brooklyn, NY. Our expertise includes all aspects of security services. We are an award-winning company driven to protect your people, property and data.
Why Should I Hire A Brooklyn Private Security Firm?
If you want to provide your NYC business or organization with a high level of safety and security, talk to us. We can design a custom security plan that utilizes any combination of guards, remote monitoring, vehicle patrols and more. We can keep your workplace as safe as possible with our private security in Brooklyn: de-escalation tactics, workforce training, active shooter training and more.

Our Services
AGB has core competencies in dozens of security-related services in both physical and cyber realms. We have more than a thousand security officers, all highly trained and ready for immediate dispatch.
A few of our core competencies include:
- Unarmed and Armed Officers
- Security Consulting
- Private Investigations
- Digital Security
- Professional Workforce Training

Our core services include:
Integrated Guarding: This includes on-site guarding, remote monitoring and mobile patrols.
Drone Surveillance: Drones provide a cost-effective way to monitor large areas from above. They also offer the advantage of infrared thermal imaging, allowing us to easily follow a fleeing suspect until authorities arrive.
Special Response Team: Our most highly trained security officers have a number of specialized skills, including martial arts. These officers are trained in rescues and in response to dangerous situations.
Community Policing: Our supplemental community policing is a proven method to reduce crime and gang activity in an area.
Executive Protection: We offer 24/7 bodyguard services for celebrities, dignitaries, public officials, high-net-worth individuals or anybody at high risk.
Related services include:
- Live Scan Fingerprinting and Black Ink Rollover Fingerprinting
- Background Checks
- Cyber Security
Armed Security Service in Brooklyn
As a private security company in Brooklyn, NY, AGB offers both armed and unarmed security officers. Our custom security guard services in Brooklyn, NY, allow us to design a plan incorporating either or both options to meet the needs of your business or organization. We recognize that every client has unique requirements. That’s why we offer a variety of security options to make sure every client’s needs are met.
What Makes AGB Investigative Different From Other Security Companies in NYC?
AGB offers unmatched training and professionalism. We’re a dedicated team of security experts and we protect what’s important to you. Our training is second to none. All our officers are graduates of the AGB Advanced Training Program in Chicago, a rigorous program that teaches good judgment, professionalism and courteous behavior. The quality of our training program is very high — so much so that we are the only security company that has an Institute of higher learning recognized by the Illinois Board of Higher Education.
Our clients include Fortune 500 companies and a wide range of government agencies. Our innovative security services have brought us national recognition. We have a 94% past performance rating from Dun & Bradstreet.
The Department of Defense and the Department of Homeland Security have given us advanced training. We are able to meet the requirements for government contracts, including those with Sensitive Compartmented Information Facilities.
Cyber Security Is As Important As Physical Security
Every company is at risk of a hack, as cyber criminals from all around the world target not just large corporations and government entities, but, increasingly, small- and middle-sized companies. At risk is your access to your networks, the safety of your customers’ data and the very survival of your company. It’s important that you understand how risky cyber threats are and do everything you can to protect your company. This requires good workforce training so every employee understands best practices and how to avoid putting company data at risk. We are here to help you improve your firewalls and other protections against cyber security threats. We can also monitor your networks 24/7, providing immediate action whenever a threat is identified.
Private Security Services Brooklyn New York
AGB combines state-of-the-art technology with physical security to help prevent and to address security threats. We have worked with a wide variety of personal, professional, business and governmental clients. Our expertise is in the following industries and organizations:
- Retail
- Utilities
- Commercial Real Estate
- Multi-Family Residential Buildings
- Financial
- Education
- Manufacturing
- Government Institutions
- Public Transportation
- Telecommunications
- Healthcare
- Museums
- Religious Organizations
- Warehouse and Distribution Centers
- Professional Sports Clubs

We Can Evaluate and Help Reduce Cyber Threats
Untrained employees may not understand how their actions can put their employer at risk. Cyber criminals can infiltrate companies by employee manipulation, such as tricking an employee into clicking a malware link. We can teach your workforce how to avoid playing into hackers’ hands. We also can help you set good cyber security protocols and teach your entire staff the importance of following them.
AGB Investigative’s Cyber Division has a Security Operations Center that provides security information and event monitoring. We provide IT support and digital security auditing, compliance, recovery and management.
Our Service Areas
We offer services in multiple markets. Our local address is:
41 Flatbush Ave. Floor 1 PMB 630
Brooklyn, NY 11217-1160
In addition to our Brooklyn location, we provide rapid deployment of well-trained guard, vehicle patrol, and remote monitoring services in the following service areas:
- Ohio
- Washington
- Wisconsin
- District of Columbia
About Us
John Griffin Jr. is the founder and CEO of AGB Investigative Service. He founded the company in 2001 along with his wife, Dr. Denitra D. Griffin, the co-owner and president. Mr. Griffin has been active in high-level security, prevention and investigations for the past 20 years. He is certified as a forensic expert witness. The Department of Defense, The Department of Homeland Security and The United States Secret Service are the source of his computer forensics training. AGB is the nation’s largest Black-owned security company. He routinely collaborates with local, state and federal law enforcement.
Dr. Griffin has a 20-year commitment to business strategy and leadership development. The business has earned aggregate revenues of more than $100 million within the last three years. She offers her leadership to the Always Giving Back Foundation, which is dedicated to disrupting the cycle of poverty. The foundation works to eliminate economic inequality through workforce development, financial wellness and philanthropy. She mentors and coaches minority youths.
What Our Clients Say About AGB
We take pride in our reputation for professional, courteous, effective security services. What kind of protection do you need? Let’s discuss it.
“AGB quickly responds to requests for additional coverage and is always willing to assist in any way possible. The merchants in the community have seen a decrease in nuisance crimes since AGB started providing security. The officers are always dependable and reliable.”
— Dorian Johnson
Program Director, SSA #45
“AGB has been nothing short of professional, timely and reliable to work with. They help deter and eliminate issues with potential criminal activity.”
— Jesus Carmona
Operations Manager, Solano-De-Carrier Management for McDonald’s
“AGB is responsive to requests for additional coverage within a timely manner. Their officers are highly trained to handle any situation they may face securing our property.”
— Zenita Monroe
Property Manager, Academy Square

