Some of the top security guard services in the world

Some of the top security guard services in the world

Several international security firms offer guard services and experience to private and commercial companies.

Based on the demands of the client, these services usually safeguard persons, assets, or data. This sector is rapidly expanding all around the globe.

With that in mind, here are some of the top Liverpool security guard service providers in the world.

CDX Security Group

Established in 2012 with headquarters in the UK, CDX Security Group is one of the best services that offer professional guards. They are also accepted by the Security Industry Authority as an approved contractor. 

Apart from security guards, they also offer high quality canine units, keyholding, defence systems and alarms. 

CDX Security Group is a family-owned business and it has top-notch offerings for the clients. This is why they are one of the few companies who have a large base of long-term clients. Moreover, they also have an excellent commitment to client service.


G4S plc would be the most prominent global security firm by income, with USD 9.76 billion earned in 2019.

It is a British international security firm headquartered in London, England. With 5.6 million workers, it is the world’s largest security firm in terms of revenue, with operations in around 125 countries.

Their primary services include armed patrolling, in which it recruits and checks security professionals. Security devices, such as access control, CCTV, burglar alarms, smoke detectors, video processing, and safety and construction systems, are the other services.


DynCorp, an American global service company, specialising in security and other disciplines, is ranked fifth on BizVibe’s list of the world’s largest security corporations. They served the US military in various theatres, including Bolivia, Somalia, Bosnia, Angola, Kosovo, Haiti, Colombia, and Kuwait.

In terms of revenue, the company made USD 3.04 billion in 2019, making it one of the world’s top security firms.

Control Risks

Control Risks is a closely owned firm specialising in identifying political integrated security risks for the state and the United Kingdom.

The firm is based in London, but it has assisted many prominent organisations in understanding and managing risk in a variety of complicated or hostile situations. Control Risks provides advice, professional assessments, and investigations into potentially sensitive political problems to its customers, including foreign governments.

Securitas AB

This security forces, surveillance, advisory, and investigative firm has a presence in 50+ countries worldwide. Founded in 1934 in Sweden, the firm began by acquiring numerous minor security firms.

Brand security, thorough research, background checks, security testing, intellectual property protection, senior guard, probes, digital surveillance, digital forensics, social safety, and IT protection are offered to customers.

Booz Allen Hamilton

The data security firm has played critical roles in engineering, marketing, and security consulting for the Ministry of Defence, the US government, and other authorities.

As a lucrative security and safety consultancy firm, they have expanded in the United States and the Middle East, Africa, and Southeast Asia.

On the military front, the firm has hired hundreds of senior military commanders to train foreign forces.

Allied Universal

Allied Universal is a closely owned security firm based in the USA.

Security officers, surveillance system selection and design, commercial cleaning, and employment services are all offered by the firm.

Universal Protection Security Systems is presently a subsidiary of Allied Universal Security Systems. Allied Universal is one of North America’s major security service companies and is often regarded as the best.


GardaWorld is a Canadian security firm with its headquarters in Montreal. It serves over a thousand clients worldwide with business solutions and security services.

It employs approximately 62,000 people of various countries who provide critical services such as protection services in a complicated and high-risk environment.

Clients are provided with armed guards as well as other supporting facilities such as disaster management, aviation safety, and government service by the firm.