Sentinel
Sentinel
Sentinel
An ISO Certified Company
Sentinel Integrated Security Services, Inc. ("Sentinel") has been committed for over five decades to delivering efficient and high-quality corporate security services—ensuring the continued protection of lives and properties.
We deploy only licensed and professionally trained security personnel to our clients' premises, providing services such as plant and facility security, advance party area surveys, travel protection, emergency response, personal protection, and event security.
Sentinel helps you identify and assess potential threats, generate informed recommendations, and implement security solutions designed to minimize the incidence and impact of risky events and occurrences. Over time, this enhances the safety of your people, property, and operations.
We hire fully qualified guards to provide our clients with a strong foundation in essential security skills—and further enhance their capabilities through advanced, high-level training.
Sentinel helps you identify both external and internal risks to your valuables. We develop strategies to mitigate these risks and support their implementation by providing comprehensive solutions tailored to your specific security requirements.
Sentinel provides a full range of security, investigative, and background check services, providing efficient, cost-effective, and quality services with more innovative and relevant solutions to our clients' security and information research needs.
The same senior leadership has been managing the company for over 35 years. Now in its 57th year of service, Sentinel is further invigorated by the energy and vision of its new management team.
The company is financially capable of supporting projects, with sufficient liquidity and Net Financial Contracting Capacity (NFCC) to meet mobilization requirements
Sentinel is led and managed by a highly qualified board of directors and management team—experts in their respective fields. Committed to delivering valued service, we ensure that all our security personnel are licensed and uphold the highest standards of professionalism.
Known for building stable, long-term partnerships, Sentinel maintains a portfolio of high-value, premium clientele—many of whom have remained with the agency for decades, a rare achievement in the highly competitive security industry. Among them are Coca-Cola Far East Limited, La Suerte Cigar and Cigarette Factory, and The Linden Suites.
Security is a top priority—and Sentinel offers a wide range of services designed to keep people, property, and operations safe. Our strong regional presence and broad geographical coverage enable us to deliver tailored security solutions wherever they are needed. Backed by a dedicated team of experts, we provide reliable advice and support to ensure 24/7 safety and peace of mind.
With globalization at the forefront, technological threats—such as data breaches—have become a major concern for companies worldwide. Backed by extensive experience in BPO security services, Sentinel understands the need for comprehensive and robust solutions to protect your people, property, and data—prepared to meet global demands
The challenge of security administration today demands exceptional thoroughness in analyzing every aspect of the company's operations to determine and prevent internal security vulnerabilities, as well as external security risks.
CONTACT USWe commit to listen, understand and deliver the outcome desired by our stakeholders, organization, customer and our employees.
We commit to make the difference, we strive to enhance our services using innovative methods and technologies.
We commit to positive change and continuous improvements to deliver the very best services to our organization, customers, stakeholders.
We commit to delegate task appropriately and take the initiative to solve challenges.
We commit to treat others as we expect to be treated, in the spirit of cooperation, we value human dignity.
We commit excellence in all that we do, with dedication as we seek to build lasting relationships, exceed expectations and drive positive change.
President
Jesus "Doc Jun" Manotok is an ophthalmologist by education and training, having graduated as a Doctor of Medicine from the University of Santo Tomas in 1987.
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Vice-President & Treasurer
The 4th generation to take on the mantle. He graduated Cum Laude from the University of Asia and the Pacific, with a degree in Business Economics.
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Assistant Vice President & General Manager
He joined the company in 2007 and breathed new life into the 54-year-old security company. He introduced new methodologies and assembled a team of highly competent personnel to re-energize
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We understand the importance of hiring the right people—and that’s why Sentinel offers cost-effective and reliable human resource support services tailored to your company’s needs.
Our services include pre-employment background checks, address verification, document validation, and other valuable employee information—all delivered with a strong commitment to privacy and data protection.
During floods, typhoons, and other calamities, Sentinel has consistently stepped up in support of emergency response, rescue, and recovery operations for our valued clients.
Notably, during Typhoons Yolanda and Odette (internationally known as Haiyan and Super Typhoon Rai, respectively), Sentinel actively assisted in locating employees trapped in affected areas and in distributing relief aid to designated victims.
Our commitment to client communities is deeply reflected in our Corporate Social Responsibility (CSR) efforts and hands-on involvement in emergency response during times of crisis.
Sentinel is a dependable and comprehensive security provider for one of the biggest beverage companies in the industry. We ensure thorough site surveys and provide expert recommendations based on the venue’s unique needs.
Our security personnel are deployed to safeguard attendees and staff, while securing the event perimeter—whether it’s a large gathering, business meeting, conference, or convention.
Sentinel is occasionally tapped by long-time clients to secure their most valuable assets—their VIPs and top executives—during special events and corporate social responsibility activities.
When justified by a security risk assessment, corporate leaders and VIPs are provided with professional Protection Agents to ensure their safety, as well as that of their families.
Security auditing is the formal evaluation of systems, processes, and implemented safeguards. This process is essential to assess the effectiveness of existing security controls, monitor for misuse or abuse, verify compliance with internal policies, ensure that documented procedures are being followed, and detect any anomalies or intrusions. It also serves to gather evidence in the event of a security breach or criminal activity. At Sentinel, we ensure that accurate data is recorded and that security measures undergo periodic and thorough reviews.
Our audits provide actionable recommendations to enhance your security infrastructure and protect your assets, ensuring compliance with industry standards.
Sentinel offers end-to-end support for your CCTV requirements—from system installation to ongoing maintenance. Our smart surveillance solutions are tailored to meet each client’s specific needs, ensuring maximum coverage and efficiency.
By combining the latest security technology with personalized service, we help protect your property with reliable, real-time monitoring that delivers peace of mind around the clock.
September 12, 2025
Gamu Isabela
Successful completion of the first batch of NOL 1 Marksmanship training, enhancing firearm safety, accuracy, and discipline.
August 23, 2025
Sentinel HQ
Basic Safety Orientation Conducted empowering our team with the knowledge to stay safe, alert, and prepared—every day.
August 6, 2025
Sentinel HQ
Trained. Ready. Equipped. Self-defense training complete!
August 1, 2025
La Union
Sentinel Integrated Security Services, Inc. successfully conducted the Water Search and Rescue (WASAR) Training.
July 26, 2025
Sentinel HQ
Home SINSSI COMPANY PICTORIAL 2025.
December 20, 2024
Sentinel HQ
The Sentinel Christmas Party 2024 was a joyful celebration filled with festive cheer, laughter, and memorable moments.
