All time Top 10 Security companies in the world


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

Security firms primarily provide guard and patrol services, such as bodyguards, guard dogs, commercial and residential building security and parking security, etc.

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 emergencies as well as investigation of the incidents can be the main duties of the private security personnel.

The above-mentioned services are generally described 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 properties.

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 has 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 employs approximately 70,000  people.

The company is popular more than any other security company in the world because of its 15,000 vehicles most of which are bullet-resistant.

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 defense-related departments of the USA government.

The company has engaged in transformation for intelligence on behalf of the national defense, and federal civilian customers.

It is one of the most admired IT companies which has been 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.

As profitable security and risk consulting firm, Booz Allen has expanded not only in the United States, but also in the Middle East, Africa, and Southeast Asia.

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

On the military side, the company has hired hundreds of veteran military officers to train foreign military personnel.

7. Control Risks

The control Risk is a privately held company that provides risk consultancy and specializes in services in a politically integrated security risk to the government and the country.

Although the company headquarters is located in London it has helped the most prominent organizations in the world to understand and manage the risks in 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 continents and 40 offices in the world. The services it provides include 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 a 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 various nationalities and provides key services are protective services in complex and high threat areas.

The company provides 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 offices in Dubai.

5. DynCorp

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

As being an aviation support company, its services have covered a range of areas 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 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.

It is one of the largest security service companies in North America and is widely recognized as the premier provider.

3. ADT

In 1874 the company had founded as a telegraph organization to send 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 the leading alarm and other surveillance system provider in the United State and outside.

As the high-tech security systems producer, the company has served its 8million customers with 20,000 employees from 300 different locations 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 over 60 countries worldwide.

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

The company’s services have included alarm and monitoring systems, Aviation security, Canine services, corporate investigation, executive protection, security consulting, specialize guarding, track and trace services, etc.

1. G4S

The company goes all the way back to 1901-1950 in Denmark. G4S had founded as Group 4 Securicor in 2004 when London-based Securicor and Denmark-based Group 4 Falck merged.

Group 4 Securicor is a British multinational security company’s 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 provides risk consulting, manned security, security system to the commercial and government organization.
2. Cash Solutions include cash in transit, cash cycle management for banks, financial institutions, and retailers.

G4S’s primary business is guarding services, for which it trains and screens security employees.

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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  3. Wow what a great list of talented professionals! You need to keep up on your security to properly protect your home, family and your budget. For me, I think Gilbert Home Security is amazing and can help with home security. They are truly brilliant!