Best Commercial Security Companies in Brooklyn

Brooklyn's dense concentration of corporate headquarters, financial institutions, retail establishments, and high-traffic public spaces creates critical demand for robust commercial security solutions, with businesses requiring comprehensive protection strategies that span uniformed security personnel, advanced surveillance systems, access control technology, and emergency response planning tailored to the unique risks of operating in a major metropolitan environment. The commercial security companies featured here have been selected by the NewYorkLists Editorial Team based on customer reviews, professional credentials, verified client history, and demonstrated expertise serving Brooklyn businesses. Listings are evaluated using real feedback from Google and Yelp, combined with editorial research and continuous market evaluation.

Last Updated on 2026-04-15 by
Scott Carlson, Business Listing Analyst


  • AAM Security Services

    AAM Security Services has built its reputation in New York City by combining structured security planning with a personal, hands-on approach. A family-run company, it serves a wide range of clients—from corporate and residential properties to healthcare facilities and data centers. Its offerings include fire safety directors, alarm systems, building security, unarmed guards, and support services for private events. By tailoring coverage to each site’s specific risks and daily operations, AAM focuses on practical protection that aligns with client needs. The company’s local presence and broad service scope make it a steady choice in the city’s security sector.
    4.8/5

    https://www.aamsecure.com/
  • International Security Services inc

    International Security Services, Inc. (ISS) operates in New York City with a focus on executive protection and trained security personnel. The company provides armed and unarmed guards, investigative services, firearm permit consulting, and approved training for Fire and Life Safety Directors. By running its own NY-approved training program, ISS maintains direct oversight of the preparation and standards of its team. Services extend beyond on-site protection to background checks and licensing guidance, supporting both individuals and organizations. With a broad scope that includes overseas assignments, ISS positions itself as a security firm built on structured training and operational readiness.
    4.6/5

    https://www.issinvestigation.com/
  • Royale Security Company

    Royale Security Company provides guard services to a broad range of industries across New York. The firm works closely with clients to design security programs tailored to the specific risks and demands of each site. Emphasizing ongoing training and exposure to current technologies, Royale supports its personnel in maintaining professional standards on the ground. An experienced management team oversees operations to ensure consistent service and clear communication. With attention to teamwork and practical planning, Royale delivers protection that balances reliability with cost awareness for businesses of varying sizes.
    4.5/5

    http://www.royalesecuritycompany.com/
  • Security Guard Service

    Security Guard Service, based in Brooklyn, positions itself as a responsive and organized provider focused on protecting people and property. The company emphasizes clear communication, with field supervisors staying in close contact with officers and conducting regular spot checks. A 24-hour radio dispatch center supports guards in real time and remains available to clients at all hours. Ongoing training and professional standards are central to its operations, reinforced by visible patrol vehicles and uniforms that serve as a deterrent. Through structured procedures and attentive oversight, the firm aims to deliver steady, reliable on-site protection.
    4.4/5

    https://securityguardservice.com/
  • Guard Service USA

    For three decades, Guard Service USA has provided security staffing for businesses across the U.S., Canada, and Puerto Rico. The company supplies armed, unarmed, and law enforcement personnel around the clock, supporting both multi-location operations and smaller firms. Its services extend to retail, hospitality, banking, construction, and other sectors where on-site security is a daily priority. By offering flexible guard and patrol options, Guard Service USA aims to simplify oversight and let clients stay focused on running their core operations while security coverage is handled consistently in the background.
    4.3/5

    https://guardservicesusa.com/
  • Building Security Services of New York

    Building Security Services of New York has served the region for nearly four decades, earning recognition for steady response times and dependable staffing. The company covers a wide range of assignments, including residential buildings, corporate offices, construction sites, retail spaces, hotels, and event security. Emphasis is placed on careful hiring, background checks, and ongoing guard training to maintain consistent standards. With 24/7 customer support and the ability to tailor coverage to different industries, the firm aims to provide businesses with structured protection backed by long-term experience in the New York market.
    4.2/5

    https://www.buildingsecurity.com/
  • Bestworth Security Services LLC

    Bestworth Security Services LLC operates in New York City with a focus on pairing trained personnel and appropriate technology to meet each client’s specific risks. Licensed by the New York State Department of Licensing and fully insured and bonded, the company provides guard and patrol services across the state. Its management team brings years of field experience, supporting residential properties, government agencies, and commercial clients. Bestworth places emphasis on reliability, clear standards, and consistent oversight. For organizations seeking structured protection with experienced leadership behind it, the firm offers a steady and professional security presence.
    4.1/5

    http://www.bestworthsecurity.com/
  • Pitbull Private Security Guard Service

    Pitbull Private Security Guard Service operates across the New York metro area, providing uniformed officers to both government and private clients. The company maintains strict hiring standards, requiring background checks and drug screening, followed by structured training to prepare officers for varied on-site situations. Ongoing instruction for supervisors and management reinforces consistency in the field. In addition to armed and unarmed guards, Pitbull offers patrol, investigative, and consulting services. With a focus on preparedness and disciplined oversight, the firm delivers security coverage designed to respond quickly and professionally when it matters most.
    4.0/5

    http://pitbull-security.com/
  • Security USA Inc

    Security USA Inc. was established in the wake of 9/11, with a focus on addressing evolving safety concerns across New York and the tri-state area. The company serves commercial, residential, institutional, and individual clients, designing security programs tailored to specific sites and risk levels. Moving beyond traditional guard models, Security USA emphasizes structured planning, surveillance, and coordinated on-site coverage. Its certification as a security vendor for the Department of Environmental Protection reflects its work with public-sector clients as well. With a mission rooted in preparedness, the firm continues to provide organized and site-specific protection services.
    3.9/5

    https://www.securityusainc.com/
  • GSS Security Services inc

    GSS Security Services Inc provides a wide range of professional security solutions for individuals, businesses, organizations, and government offices. Known for its comprehensive service offerings, the company supports clients throughout New York City and surrounding areas, including Manhattan, Brooklyn, Queens, the Bronx, Staten Island, and Long Island. GSS Security Services focuses on carefully tailored protection programs, whether a client requires a single security officer or a full security team. Their approach emphasizes professionalism, discretion, and ongoing training to stay current with evolving security challenges. By combining experienced personnel with detailed risk assessment and planning, the company works to deliver dependable protection suited to each client’s specific needs.
    3.8/5

    https://www.gss-security.com/
  • Knight Security NY

    Knight Security provides a broad range of professional security services from its headquarters in Midtown Manhattan. The firm supports clients with event security, armed and unarmed guards, loss prevention, executive protection, and building or facility security for both commercial and residential environments. Their teams are carefully vetted and trained to maintain discipline, professionalism, and situational awareness in demanding settings. With experience working across New York’s fast-paced public and private spaces, Knight Security understands the logistical and regulatory challenges involved in coordinating effective protection. From securing events to safeguarding businesses and private clients, the company focuses on organized planning, experienced personnel, and respectful interaction with guests, staff, and the public.
    4.0/5

    https://www.knightsecurityny.com/
  • Citadel Security Agency

    Citadel Security Agency has been providing security guard services in New York City since 1981. Founded by a retired NYPD detective and sergeant, the company built its reputation by supporting events, businesses, and private clients with dependable on-site security. Citadel offers a wide range of services, including special event protection, trade show security, doormen, escorts, and uniformed or undercover personnel. Known for professionalism and discretion, the firm works closely with clients to match the right security presence to each assignment. Its long-standing relationships and high client retention rate reflect the steady, reliable service that has helped make Citadel a familiar name in the city’s security industry.
    4.0/5

    https://www.citadelsecurityagency.com/

How NewYorkLists Selects the Best Commercial Security Companies in Brooklyn

Every Commercial Security Companies on this list has been vetted by the NewYorkLists Editorial Team before being published. We combine independent research, public business data, and direct company submissions into a consistent review process so you can trust what you're looking at.

  • Active business verification (the company is currently operating)
  • Google and Yelp review checks for client and industry reputation
  • New York State security license and credential checks where available
  • Assessment of years in operation and commercial security experience
  • Evaluation of service capabilities including security guard services, access control systems, CCTV and surveillance installation, alarm systems, and mobile patrol and emergency response
  • Overall credibility within the Brooklyn commercial security and business protection market

Each Commercial Security Companies listing includes customer reviews so you can dig deeper before making a decision. Our role is to ensure every business shown here meets a baseline of credibility — the reviews help you take it from there.

Commercial security companies may submit their information for consideration. Every submission goes through the same vetting process above to ensure accuracy and quality within the Brooklyn area.

Top Commercial Security Companies in Brooklyn: Quick Comparison

RankCompanyNewYorkLists RatingArea of ServiceProfile
#1AAM Security Services4.8 ⭐BrooklynView Profile
#2International Security Services inc4.6 ⭐BrooklynView Profile
#3Royale Security Company4.5 ⭐BrooklynView Profile
#4Security Guard Service4.4 ⭐BrooklynView Profile
#5Guard Service USA4.3 ⭐BrooklynView Profile

Frequently Asked Questions

1. What services do commercial security companies in Brooklyn typically offer?

Commercial security companies in Brooklyn provide a comprehensive range of protective services designed to safeguard businesses, employees, assets, and physical premises against theft, vandalism, unauthorized access, and other security threats. Core services offered by commercial security firms in Brooklyn typically include manned guarding and reception security, mobile patrol units, access control system installation, CCTV surveillance design and monitoring, alarm system installation and response, loss prevention consulting, executive protection, cybersecurity integration, and emergency response planning. Many commercial security companies in Brooklyn also offer tailored security solutions for specific industries including retail, healthcare, hospitality, financial institutions, construction sites, and corporate campuses. Partnering with a reputable commercial security company in Brooklyn ensures your business operates in a safe, compliant, and professionally protected environment around the clock.

2. How much do commercial security companies in Brooklyn charge for their services?

The cost of hiring a commercial security company in Brooklyn depends on the type and scope of services required, the size of the property being protected, the number of security personnel deployed, and the sophistication of any technology systems installed. Manned guarding services from commercial security companies in Brooklyn typically range from $20 to $65 per hour per security officer depending on the guard's training level, licensing requirements, and whether armed or unarmed protection is needed. Technology-based solutions such as CCTV installation and access control systems involve upfront equipment and installation costs plus ongoing monthly monitoring fees. Always request a detailed security assessment and itemized proposal from at least two or three commercial security companies in Brooklyn before making a final commitment.

3. How do I choose the right commercial security company in Brooklyn for my business?

Choosing the right commercial security company in Brooklyn requires careful evaluation of their licensing credentials, industry experience, service capabilities, and cultural fit with your organization. Verify that the security firm in Brooklyn holds all required state and local security contractor licenses, carries adequate general liability and workers' compensation insurance, and conducts thorough background checks and professional training for all deployed personnel. Review their portfolio of current commercial clients in Brooklyn across industries similar to your own, and request references you can contact directly. Assess the company's technology capabilities, emergency response protocols, and supervisor-to-guard ratios. The best commercial security companies in Brooklyn conduct a thorough on-site risk assessment before proposing any security solution, demonstrating a consultative rather than purely transactional approach to protecting your business.

4. Do commercial security companies in Brooklyn provide both armed and unarmed security guards?

Yes, most full-service commercial security companies in Brooklyn offer both armed and unarmed security guard options to accommodate the varying risk profiles and regulatory requirements of different business environments. Unarmed security officers from commercial security firms in Brooklyn are commonly deployed in office buildings, retail environments, healthcare facilities, hotels, and educational institutions where a visible security presence deters threats without the liability considerations associated with armed personnel. Armed security guards provided by commercial security companies in Brooklyn are typically assigned to higher-risk environments such as financial institutions, jewelry stores, cannabis dispensaries, government facilities, and high-value asset transportation. When determining whether armed or unarmed security is appropriate for your business in Brooklyn, a reputable security firm will conduct a formal risk assessment and provide a professional recommendation based on your specific threat environment.

5. Can commercial security companies in Brooklyn install and monitor CCTV and access control systems?

Absolutely. Most established commercial security companies in Brooklyn offer full-service technology solutions including the design, installation, integration, and ongoing monitoring of CCTV surveillance systems and electronic access control platforms. A professionally designed CCTV system installed by a commercial security company in Brooklyn provides comprehensive video coverage of all critical areas including entrances, parking lots, server rooms, and cash handling zones, with footage stored securely on-site or in the cloud for evidentiary and compliance purposes. Access control systems installed by commercial security firms in Brooklyn regulate entry to sensitive areas using keycards, biometric readers, PIN codes, or mobile credentials, providing a detailed audit trail of all access events. Integrating both systems creates a powerful layered security infrastructure that significantly strengthens your overall commercial security posture.

6. Are commercial security companies in Brooklyn licensed and insured?

Yes, reputable commercial security companies in Brooklyn are required by state law to hold valid security contractor licenses issued by the relevant regulatory authority, and all deployed security officers must carry individual guard cards or licenses as mandated by local regulations. In addition to licensing compliance, professional commercial security firms in Brooklyn maintain comprehensive insurance coverage including general liability insurance, workers' compensation, and in the case of armed security providers, additional coverage for firearm-related incidents. Before signing any service agreement with a commercial security company in Brooklyn, always request copies of their current licenses, insurance certificates, and proof of compliance with all applicable state and local security industry regulations to protect your business from unnecessary legal and financial exposure.

7. What should a commercial security company in Brooklyn include in a security assessment for my business?

A thorough security assessment conducted by a professional commercial security company in Brooklyn is the essential first step in developing an effective and customized protection strategy for your business premises. A comprehensive security assessment in Brooklyn should include a detailed physical inspection of all entry and exit points, perimeter vulnerabilities, parking areas, loading docks, and interior high-risk zones such as server rooms, cash offices, and executive suites. The assessing security firm in Brooklyn should also review your existing security technology infrastructure, evaluate your current access control policies, assess lighting adequacy, and identify any gaps in your emergency response and evacuation procedures. Based on these findings, the commercial security company in Brooklyn should deliver a written risk assessment report with clearly prioritized recommendations and a proposed security solution tailored specifically to your business.


Latest Customer Reviews

Hired this company for building we manage, recommend using this company
Bestworth security guards are very professional and take a lot of initiative to keep our McDonald’s locations safe, secure and running smoothly. Their service is far better than any other service I have used in the past.
This company is professional, reliable and gets the job done! Building Security services has exceed my expectations. I would recommend this company to anyone who is looking to secure their business.
I've used Citadel as my security provider for Events in NYC for the past 15 years and can't speak more highly of them. Always attentive and flexible, their team of guards and security officers are excellent. Highly recommended!
ISS was the security vendor we entrusted to help us execute New York City's Mobile Vaccination Program. George and Michael were a pleasure to work with. They always listened to our needs and adjusted when needed to deliver the best service for NYC and our community. I would highly recommend their services for any security needs.
We could never operate a secure construction project without the construction security services of Private Security Guard Service. Theft has always been a costly problem in our business. It occurs from both the inside and the outside. With proper construction security it is reduced to a minimum saving us a lot of money in the long run. Private Security Guard Service is a necessary entity in today construction industry.
Our company was hosting a high end event in New York for over 4000 people and we had high profile celebrity guests so I was tasked with finding a local security company in NYC that could accommodate our unique request. I needed to find a firm that could provide 60 unarmed uniformed security guards, 8 bodyguards in suit and tie and 6 off duty NYC police officers. I called a few agencies but none of the could accommodate such a large order. I then found Security Guard Service who was not only able ...
Security USA Inc
★★★★★
I had referred one of my clients to Security USA for special event security services. They were extremely pleased with the attention to detail and personalized, professional service. Their needs were thoroughly analyzed and the perfect balance of people and technology was used to provide a high level of security without being overly intrusive on the spirit of the event. All of the personnel were efficient and professional and management was highly responsive to my clients' needs. My client h ...

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