SENTINEL SECURITY SERVICE

What SENTINEL SECURITY SERVICE does

Sentinel Security Service is a privately held, family-owned physical security services provider headquartered at 47 State Street, Hackensack, New Jersey, and operating across the New Jersey and New York markets. Founded in 1967 by Colonel Dominick R. Capello, a retired Superintendent of the New Jersey State Police, the company is self-described as the oldest continually operating private security firm in New Jersey. The Capello family remains actively involved in the business, sustaining the founder's original vision of bringing greater professionalism and attention to detail to private security.

The company's core product is the deployment of trained, SORA-certified security officers (Security Officer Registration Act, certified by the NJ State Police) to client sites, available in both police-style and corporate-style uniforms. Service delivery spans twelve vertical segments: corporate, industrial, commercial, residential, medical/healthcare, retail, cargo, construction, hospitality, educational institutions, labor disputes, and special events. Supporting offerings include free security surveys, ongoing risk management analysis, centralized computer scheduling for shift reliability, on-demand emergency security support, and an in-house SORA training program with NJ State Police-licensed instructors. The company is licensed, bonded, and insured, and is a member of the American Society for Industrial Security (ASIS International).

Sentinel generates revenue through managed-services contracts for security officer staffing, priced on a custom quote basis at competitive rates, with multi-year contract cadences. Go-to-market is direct-to-client via phone (toll-free 800-487-9096) and a captcha-protected website contact form, reflecting a consultative, relationship-driven sales approach rather than digital self-serve or channel partnerships. The company employs between 501 and 1,000 personnel, with executive staff, field managers, and site supervisors providing 24/7 hands-on supervision. There is no public technology platform, API, mobile app, or disclosed AI capability — the business is fundamentally a labor-intensive service operation. No external investment, parent company, acquisitions, or funding rounds are disclosed in available sources.

Name

SENTINEL SECURITY SERVICE

Legal name

Sentinel Security Service

Website

https://sentinelsecurityservice.com

Company type

Private

Founded year

1967

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Sentinel Security Service is a family-owned private security firm, founded in 1967 and headquartered in Hackensack, NJ, providing SORA-certified uniformed security officers to corporate, industrial, medical, retail, and residential clients across New Jersey and New York.

Ownership category

akta.pro rank

Product category

Private Security Services

NAICS

Security Guards and Patrol Services (561612), Investigation, Guard, and Armored Car Services (56161)

SIC

Services-Detective, Guard & Armored Car Services (7381)

akta.pro primary industry

Manned Guarding & Site Security (Static Guards) (BPABAMAA)

akta.pro secondary industries

Industrial & Critical Infrastructure Guarding (Utilities, Plants, Data Centers) (BPAKAAAD), Public Sector Guarding (Government Buildings, Courthouses) (BPAKAAAG), Concierge / Customer-Service-Oriented Security Officers (BPAKAAAM), Manned Guarding & Patrol Services (IMAIAEAA), Security Supervisor/Management & Operations Training (BPAKAOAG)

Keywords

• Private security services
• Security officer staffing
• Uniformed guard services
• Corporate security solutions
• SORA certified training

Headquarters

HQ city

Hackensack

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Others, Infrastructure

Revenue model

1. Security Services: Sentinel Security Service provides private security officer services to a broad range of businesses and enterprises. Services are provided at competitive pricing with long-term client retention focus. The company provides both single security officer assignments and forces of officers depending on client facility requirements.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Sentinel Security Service supplies highly trained, SORA-certified uniformed security officers to corporate, industrial, commercial, residential, healthcare, retail, educational, hospitality, cargo, and construction clients in New Jersey and New York. The company staffs single-officer assignments as well as larger forces, with police-style or corporate-style uniform options, backed by 24/7 field management supervision, free security surveys, ongoing risk management analysis, and an on-demand emergency security support capability.

Product overview

Sentinel Security Service is a private security services company offering a unified portfolio of physical security personnel and related services. The core offering is private security officer personnel for various sectors (residential, medical, retail, commercial, cargo, construction, hospitality, educational, corporate, industrial, labor disputes, and special events). These officers are available in two uniform styles: police-style and corporate-style uniforms. Supporting services include free security surveys, risk management analysis, centralized computer scheduling for shift management, on-demand emergency security support, and SORA training certification programs. All security officers are certified by the New Jersey State Police under Security Officer Registration Act (SORA) standards and provide 24/7 coverage with field manager supervision.

Differentiator

Problem solved

Functional benefit

Products and services

• Private Security Officer Services Highly trained, SORA-certified uniformed security officers deployed to corporate, industrial, commercial, residential, healthcare, retail, educational, hospitality, cargo, and construction sites in New Jersey and New York. Available as single officers or as a force of officers depending on client facility requirements.
• Security Site Surveys Free on-site security surveys conducted by security professionals to evaluate which areas of a facility would benefit from trained security officer presence. Used as part of the consultative sales process for prospective clients.
• Risk Management Analysis Ongoing risk management analysis provided to clients as their needs change, ensuring security requirements remain fully met over the course of the engagement.
• Emergency Security Officer Support On-demand security officers provided on an as-needed basis for any reason, supporting clients facing sudden coverage gaps or short-term security needs.
• SORA Training and Certification Program Training and certification program for SORA (Security Officer Registration Act) applicants seeking employment in the private security field, delivered by instructors certified and licensed by the New Jersey State Police.

Segments12 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• American Society for Industrial SecurityminorOthersSentinel Security Service is a member of the American Society for Industrial Security (ASIS), a leading organization for security professionals worldwide. This membership provides industry networking, best practices, and professional development opportunities.

Scale indicators2 records

Recent moves5 records

Expansion highlights3 records

Broad incumbents

• G4S Secure Solutions (USA): Major international contract security provider with US operations offering uniformed guarding and security officer services to corporate, government, and industrial clients. Overlapping service mix but materially larger scale and global reach than Sentinel.
• GardaWorld Security Services: Global security services firm with a sizable US contract security business providing on-site security officers, mobile patrol, and risk consulting. Comparable core service lines and customer types though GardaWorld serves a national and international footprint.
• US Security Associates: National contract security provider (now integrated with Allied Universal) offering uniformed guards and on-site security across corporate, healthcare, education, and retail segments. Highly comparable service mix though meaningfully larger scale.
• Securitas USA: US arm of the global Securitas group, providing contract guarding, mobile patrol, and on-site security across the same vertical mix (corporate, industrial, healthcare, retail, etc.). National footprint with comparable officer-based delivery model.
• Allied Universal: Largest manned guarding and security services provider in North America. Directly comparable core offering (uniformed guards, site security, patrol) but operates nationwide with much broader scale and a multi-vertical portfolio that includes monitoring and technology services.
• ABM Industries (Security Segment): Large facilities services company with a security services segment providing on-site security officers for commercial buildings, healthcare, and industrial clients. Overlapping customer base and officer-based service delivery.

Direct peers

• IPSA Security Services: Mid-sized US contract security firm providing security officers for commercial, corporate, and event settings. Similar mix of vertical-focused guarding and patrol services, comparable in scale to Sentinel.
• St. Moritz Security Services: Mid-market US contract security firm focused on uniformed guarding and security officer services to corporate, industrial, and institutional clients. Closely comparable in scale, customer mix, and officer-led delivery model.

Regional players

• Strategic Security Corp: New York-based contract security firm providing SORA-trained security officers, commercial and residential guarding, and event security. Directly comparable operator concentrated in the same NJ/NY geography.
• FJC Security Services: NY/NJ-based contract security provider offering uniformed security officers, site patrol, and event security to commercial, residential, and corporate clients in the same metro geography that Sentinel serves. Direct regional head-to-head peer.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/sentinelsecserv
• Facebookfacebook.com/sentinelsec
• LinkedInlinkedin.com/company/sentinel-security-service

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about SENTINEL SECURITY SERVICE