Last Updated on December 28, 2024

Top 10 Security companies in the world are multinational security firms provide a wide range of services, catering to both private and public clients. These companies specialize in delivering armed and unarmed guard services alongside expert security solutions tailored to diverse needs.

The private security industry is experiencing rapid growth worldwide, driven by the increasing need to address complex and challenging security scenarios. These firms play a pivotal role in ensuring the safety of individuals, their properties, and their information in today’s ever-evolving security landscape.

While numerous security companies deliver exceptional services globally, this content focuses on the largest and most corporate-level firms. These companies represent the architectural of professionalism, expertise, and innovation in the private security industry.

Top 10 security companies in the world

1. Allied Universal Security Services

Allied Universal Security Services emerged in 2016 following the merger of AlliedBarton and Universal Services of America. This strategic partnership marked the beginning of a new era for the company, positioning it as a global powerhouse in the security industry.

Today, Allied Universal operates in multiple regions worldwide, including the USA, Europe, North America, Asia, and Australia. With a workforce exceeding 800,000 employees, it is recognized as one of the largest private security firms globally.

In its journey to expand and enhance its capabilities, Allied Universal acquired G4S, one of the leading international security companies. This acquisition allowed the company to extend its global reach and integrate the international operations of G4S under its brand.

Comprehensive Security Services

Allied Universal provides a broad spectrum of security and support services tailored to meet diverse client needs. These include:

• Man Guarding: Professional on-site security personnel.
• Integrated Technology: Advanced security solutions combining physical security with cutting-edge technology.
• Risk Analysis and Consultancy: Expert assessments to identify and mitigate risks.
• K9 Security: Trained canine units for specialized security tasks.
• Executive Protection: High-level personal security services for executives and VIPs.
• Event Security: Security planning and management for events of all sizes.
• Investigation Services: Detailed investigations into various security matters.
• Emergency Response: Rapid deployment teams for crises and emergencies.
• Cash Solutions: Secure cash handling and transportation services.
• Workforce Solutions: Staffing and workforce management.
• Janitorial Services: Facility cleaning and maintenance solutions.

Following its merger and the acquisition of G4S, Allied Universal has solidified its position as the biggest security company in the world in terms of manpower, operational capacity, and capital. Its commitment to innovation and excellence continues to set the standard in the security industry.

2. Securitas AB

Founded in 1934 in Helsingborg, Sweden, Securitas AB is headquartered in Stockholm and stands as one of the top 10 security companies in the world. The company has established a significant presence in the global market, operating across North America, Latin America, Asia, and the Middle East.

The Securities AB’s Global Structure and its operations have devided into three primary business segments:

1. Security Services North America
2. Security Services Europe
3. Security Services Ibero-America

With a workforce of approximately 300,000 employees spread across more than 60 countries, Securitas provides comprehensive security solutions tailored to meet diverse client needs.

Securitas AB specializes in a wide range of protection services, including:

• Alarm and Monitoring Systems: Advanced solutions for real-time security and incident management.
• Aviation Security: Ensuring the safety and security of airports and aviation facilities.
• Canine Services: Trained dog units for specialized security tasks.
• Corporate Investigation: In-depth investigations for businesses to mitigate risks.
• Executive Protection: Personal security services for high-profile individuals.
• Security Consulting: Expert guidance to identify and manage potential security threats.
• Specialized Guarding: Customized guarding solutions tailored to specific industries and needs.
• Track and Trace Services: Advanced tracking systems for assets and personnel.

3. Amentum

Amentum is one of America’s leading private security and defense contractors, working closely with the U.S. government and various international military forces.

The company specializes in delivering comprehensive defense-related services, including private military professionals, advanced technology for defense equipment, energy solutions, space exploration support, and intelligence collection for military purposes.

Amentum is the largest contractor for the U.S. Department of Defense, providing essential support for securing military facilities both domestically and on missions abroad.

Its expertise and reliability have made it an indispensable partner in ensuring the operational readiness and safety of military operations worldwide.

With a presence in over 80 countries and a workforce of more than 52,000 employees, Amentum has established itself as a key player in the defense and security sector.

Its partnerships with governments across the globe have further strengthened its position as a trusted provider of critical services.

Core Services

• Aviation Engineering: Maintenance, upgrades, and innovation for military aircraft.
• Land Vehicles and Defense Equipment: Development and management of ground-based military assets.
• Naval Engineering: Comprehensive support for naval fleets and systems.
• Global Logistics and Supply Chain Management: Efficient and reliable management of resources across the globe.
• Data Analysis and Cybersecurity: Advanced solutions to protect sensitive information and counter cyber threats.
• Sustainable Energy Development: Innovative energy solutions tailored for military and governmental use.
• And More: Amentum continues to expand its capabilities, meeting diverse defense and security needs.

4. ADT Inc:

With over 150 years of experience, ADT Inc is a trusted name in security system technology, distribution, and services.

The company has built a strong global reputation for providing innovative security solutions for homes, businesses, and public properties.

Previously known as ADT, the company evolved into ADT Inc following strategic mergers with other security service providers across the United States and Canada.

This transformation solidified its position as a leading provider of high-tech security systems, serving a broad customer base with cutting-edge solutions.

ADT Inc has a strong presence worldwide, with:

• 8 million customers served globally.
• 20,000 employees operating from 300 locations around the world.

Comprehensive Security Solutions

ADT Inc specializes in a range of security and safety services, including:

• Security Cameras: Advanced surveillance systems for residential and commercial properties.
• Alarm Systems: Reliable intrusion detection systems for enhanced safety.
• Life Safety Detectors: Devices for smoke, carbon monoxide, and other hazard detection.
• Electronic Security: Comprehensive electronic systems for secured access and monitoring.
• Fire Protection: Fire detection and suppression systems tailored for homes and businesses.
• Office Solutions: Security systems designed to meet the unique needs of office spaces

5. GardaWorld

GardaWorld is a Canadian-based security company headquartered in Montreal, Canada. Known for its exceptional business solutions and security services, the company serves over 1,000 clients worldwide. Its reputation for reliability and expertise has made it a trusted partner for organizations operating in high-threat and complex environments.

With a diverse workforce of over 62,000 employees from various nationalities, GardaWorld operates on a global scale. The company has a strong presence in the United States, the Middle East, and other regions, with key offices, including one in Dubai.

Comprehensive Security Services

GardaWorld offers a wide range of security and business solutions designed to address the unique challenges faced by its clients. Key services include:

• Man Guarding: Professional security personnel for on-site protection.
• Armed Guard Services: Specialized armed security for high-risk environments.
• Crisis Management: Expert guidance and support during emergencies.
• Aviation Safety: Comprehensive security for airlines and airport facilities.
• Crowd Management: Planning and implementation of strategies for public safety during events.
• Intelligence Monitoring: Advanced tools and strategies for threat detection and analysis.
• Cash Management: Secure transportation, handling, and management of cash and valuables.

6. Control Risks:

Control Risks is a privately held company headquartered in London, specializing in risk consultancy.

The company excels in addressing politically integrated security risks for governments and private organizations operating in complex and hostile environments.

With a global reputation, it has assisted some of the world’s most prominent organizations in navigating uncertainties and managing risks effectively.

Control Risks operates across five continents, with a presence in 40 offices worldwide. The company provides tailored risk management solutions, combining deep political and economic insights with practical expertise to address the needs of governments, multinational corporations, and private organizations.

Originally focused on political consultancy services for governments, Control Risks has expanded its offerings to include comprehensive business risk management services. Its expertise spans risk analysis, crisis management, and advisory services, making it a trusted partner for organizations globally.

Control Risks offers a wide range of specialized services, including:

• Security Risk Management: Identifying and mitigating security risks in volatile environments.
• Operational and Protective Security: Protecting personnel, assets, and operations in challenging conditions.
• Organizational Resilience: Building robust systems to withstand disruptions.
• Crisis Response: Immediate support and solutions during critical incidents.
• Digital Risks: Protecting against cyber threats and managing digital vulnerabilities.
• Discovery + Data Insights: Leveraging data for informed decision-making.
• Embedded Consulting Services: On-the-ground expert support for ongoing risk management.
• Ethics, Compliance, and Governance: Ensuring adherence to ethical standards and regulatory requirements.
• Forensic Services: Investigating and resolving financial and legal risks.
• ESG and Sustainable Business: Helping organizations align with environmental, social, and governance standards.
• M&A and Investment-Related Services: Supporting mergers, acquisitions, and investment strategies.
• Political and Country Risk: In-depth analysis and monitoring of political and economic risks.
• Training and Development Solutions: Preparing teams to manage risks effectively.

7. The Brink’s Company

The Brink’s Company is an American security services provider headquartered near Richmond, Virginia, USA. Over the years, the company has evolved from offering home security solutions to specializing in the secure transportation and protection of valuable assets and goods.

As an international private security services provider, Brink’s has a business footprint spanning over 100 countries and employs approximately 70,000 people.

Its extensive fleet of 15,000 vehicles, many of which are bullet-resistant, sets it apart as one of the most recognized security companies in the world.

Core Services

Brink’s offers a wide range of specialized services tailored to meet the needs of its global clientele. These include:

• Logistics: Secure transportation and handling of high-value goods and sensitive materials.
• Cash Management: Comprehensive solutions for cash handling, including collection, counting, and storage.
• Computer Safety: Safeguarding digital assets and critical IT infrastructure.
• Secure Payment Solutions: Facilitating safe and reliable payment processes.
• Airport Guarding Services: Providing security for airports in numerous countries, ensuring the safety of passengers, cargo, and infrastructure.

8. Booz Allen Hamilton

It was established in 1914 as a U.S. technology consulting company by Edwin G. Booz, James L. Allen, and Carl L. Hamilton. Over the decades, it has transformed into a leading global firm specializing in security, engineering, and management consulting.

The company plays a pivotal role in providing innovative solutions and consultancy services to the U.S. Department of Defense, foreign governments, and various global organizations.

The company has a strong presence not only in the United States but also across the Middle East, Africa, and Southeast Asia.

Core Services

Booz Allen Hamilton offers a wide array of specialized services designed to address the most complex challenges faced by governments and organizations. These include:

• Artificial Intelligence (AI): Developing AI-powered solutions for advanced decision-making and operations.
• Innovation: Driving transformative ideas to solve critical challenges.
• Consulting: Offering expert guidance on strategy, technology, and management.
• Cybersecurity: Protecting critical infrastructure and data from digital threats.
• Digital Solutions: Enabling organizations to thrive in the digital age through innovative technologies.
• Engineering: Delivering world-class engineering solutions for complex systems.
• Intelligence: Providing insights and strategies to enhance national and organizational security.

9. CACI International 

CACI International was founded in 1972 in Santa Monica, California. Over the years, it has become a trusted provider of information solutions for the U.S. government, with a strong focus on defense-related departments and federal civilian customers.

CACI plays a pivotal role in transforming intelligence and delivering cutting-edge solutions for national defense.

Its work encompasses military technology, hardware, and IT services, making it one of the most admired companies in the defense and information technology sectors.

With a global team of nearly 20,000 employees, CACI offers dynamic career opportunities, particularly for military veterans of the U.S.

Core Services

CACI International specializes in a broad range of services that address the complex needs of its government and defense clients:

• C3I (Command, Control, Communications, and Intelligence): Integrating advanced technologies to enhance decision-making and operational efficiency.
• Cybersecurity: Protecting critical systems and data from evolving digital threats.
• Digital Solutions: Providing innovative technology solutions for modern challenges.
• Enterprise IT: Comprehensive IT services for infrastructure management and optimization.
• Mission and Engineering Support: Tailored solutions for defense and federal operations.
• Space: Advancing capabilities for space exploration, defense, and communication.

10. ICTS International N.V.

ICTS International N.V. is a Dutch-based international security company established in 1982. The company provides a wide range of services across the security spectrum, catering to both aviation and general security needs in multiple countries worldwide.

ICTS specializes in the planning, development, and authentication of aviation-related technologies, which form the core of its business operations.

This focus has made ICTS one of the most profitable private security firms globally, recognized for its innovative solutions and industry-leading practices.

The company’s services extend beyond aviation to include general security and consulting services. Its reputation for excellence has made it a trusted partner for governments, corporations, and businesses around the world.

Conclusion;

The Top 10 Security Companies in the world were selected based on several critical criteria, including:

• Core Capital: Financial strength and resources.
• Operational Workforce: Size and expertise of the workforce.
• Global Presence: Number of countries in which the company operates.
• Operational Complexity: The sophistication of services and products offered.

These companies are not only ranked in top 10 but also have become the best security companies in the world. They have offered outstanding opportunities for career growth and business collaborations. Their contributions to safety and security make them indispensable in today’s complex and rapidly evolving security landscape.

Recommended;

• 15 top security companies in the UAE.
• Top security companies in Qatar.
• Best security companies in Kuwait.
• Top security companies in Macau.
• The most reliable recruitment agency in the UAE.