All time Top 10 Security companies in the world


There are numerous global security companies which provide armed and unarmed guarding services and expertise to private and public clients.

Security companies essentially working in providing guard and patrol services, such as bodyguard, guard dog, parking security and security guard services.

In many countries, the security industry primarily engages in the prevention of unauthorized activity or entry, traffic regulation, access control, crowd control, prevention, and detection of emergency as well as investigation of the incidents.

The above-mentioned services generally describe as the protection of people, protection of property and protection of information.

The private security industry is rapidly growing in the world for covering up the complex or challenging security situation to people and their propertis.

Although there are many good security companies in the world hereby I have provided the largest and corporate level security companies in the world.

10. The Brink’s Company

It is an American security company headquartered outside of Richmond, Virginia, United States. The core business of this company transformed from home security operations into armed transportation for valuable properties and goods.

As being the international private security services provider the company has a business footprint in more than 100  countries and employees approximately 70000  people.

The company is popular more than any other security companies in the world because of 15000 vehicles most of them are bullet resistance.

Its services include Logistics, Cash Management, Computer Safety, secure payment and airport guarding services in many countries.

9. CAIC International

CAIC international was founded in Santa Monica in 1972. Since then it has been providing the information solution service to most of the defence-related departments of USA government.

The company has engaged in transformation for intelligence on behalf of the national defence, and federal civilian customers. It is one of the most admired IT company which has involved with military technology and hardware.

CACI gives dynamic career opportunities for the military veteran of the US armed forces and other countries’ ex. military officers. The company has employed almost 20,000 employees worldwide.

8. Booz Allen Hamilton

The company was founded in 1914 as U.S. tech consulting company by Edwin G. Booz, James L. Allen, and Carl L. Booz Allen Hamilton.

The information security company has been playing important roles in areas of services such as engineering, management and security consultancy to the Department of Defense US government and foreign governments.

Being profitable security and risk consulting company not only limited in United state but also has expanded in the middle east, Africa as well as southeast Asia.

Booz Allen helped the UAE government to create an equivalent of the National Security Agency. The company teaching everything from data mining, management and surveillance to the government of many countries.

In the military side, the company has employed hundreds of veteran military officers to training the foreign military.

7. Control Risks

The control risks is a privately held company which providing the risk consultancy and specializing services in a political integrated security risk to the government and the country.

Although the company headquarters located in London it has helped the most prominent organizations in the world to understand and manage the risks in the complex or hostile environments.

The company supports clients most of them are foreign governments by providing consultancy, expert analysis, and investigation the sensitive political issues.

Control Risks worldwide presence is in the five continent and 40 offices in the world. The services it provides including Political Risk Consulting, Political Risk Monitoring, Economic and Political Risk.

In addition, the company also helps to detect Security risks in Travel, Maritime Services and Enterprise, furthermore the Crisis Management & Business Continuity training.

The company is very famous for Protective Services, Security Engineering & Design, Security Consulting, Crisis Response, and Cyber Security

6. GardaWorld

The GardWorld is the Canadian based security company headquartered in Montreal Canada. It provides business solutions and security services to more than a thousand clients globally.

It has over 62 thousand employees from the various nationalities and providing key services are protective service in the complex and high threat area.

The company provides the armed guards to the clients as well as other general services including crisis management, Aviation safety, and federal service. The company’s global footprint is in USA and Middle-East office in Dubai.

5. DynCorp

DynCorp International is an American service provider to the aviation companies in the world.

As being the aviation support company, its services have covered the range of area likewise flight operation support, training for international development, intelligence training and support, contingency operations, security operations and maintenance of land vehicles.

Furthermore, the services are an interactive map, Aviation, Intelligence and Security, logistic and contingency operation and case study.

DynCorp had provided support for US forces in Peru, Colombia, Afghanistan, Iraq, Somalia, Kosovo, Kuwait etc.

4. AlliedUniversal

Allied Universal is a privately operating security company based in the United State.  Allied Universal another name is AlliedBarton which is a Pennsylvania-based private security company that established in 1957.

The company provides security personnel, security systems design and installation, Janitorial services and staffing services.

Universal Protection Security Systems currently operates under the Allied Universal Security Systems division. Allied Universal is one of the largest providers of security services in North America and is recognized as the premier service provider.

3. ADT

In 1874 the company was founded as a telegraph organization to send the instructions to and from the gold stock exchange floor. That inspiration developed the telegraph based alert system since then the company changes its business model.

Now ADT is leading alarm and other surveillance system provider in the United State and outside. As the high tech security systems producer, the company has served it 8million customers with 20,000 employees from 300 different location around the world.

Their businesses are Retail security, food, and beverage solution, clinical solution, mechanical solution, and office solution.

2. Securitas AB

Securitas AB had founded in 1934 in Helsingborg, headquartered in Stockholm Sweden. The company has approximately 300,000 employees in all over the 60 countries worldwide.

And It operates the business in the global market in North America, Latin America, Asia, the Middle East.

The company services alarm and monitoring system, Aviation security, Canine services, corporate investigation, executive protection, security consulting, specialize guarding, track and trace services, etc.

1. G4S

The company has a heritage of 100 years was found in 1901-1950 in Denmark but it was set up Group 4 Securicor in 2004 when London-based company Securicor amalgamated with Danish business Group 4 Falck merged each other.

Group 4 Securicor is a British multinational security company main office in Crawley England. It is the world’s largest security company in terms of revenue and operations in around 125 countries with 620,000 employees. G4S segments its business into two areas:

1. The secure solution which provides risk consulting, manned security, security system to the commercial and government organization.
2. Cash Solutions including cash in transit, cash cycle management for banks, financial institutions, and retailers.

G4S’s core services are to provide manned guarding where it trains and screens security officers. Another service is security systems such as access control, CCTV, intruder alarms, fire detection, video analytics and security and building systems integration technology.



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Hello, everyone, I am Ranga Singh the founder of For the past 17yrs, I worked in aboard. Now, I have been researching the job market, especially in the Gulf region. The main purpose of the website is to give information, advice, and guidance to the people about the job, education visa and travel. I want to support young people for a happy and successful career.


  1. Yes, the list is perfect. But we Black Ace Security Services are the best security services provider in ludhiana, Punjab. We provide security guards, bouncers, detectives, ATM caretakers and gunman

  2. Private security services in the Atlanta metro area is such an important part of keeping a business, customers and staff safe. At PSI Security, we take immense pride in the seucity servie that we provide and have a philosophy of going above and beyond for our clients.