G4S

The Cotswold Group is an investigation company that specializes in providing intelligence-led fraud and liability investigations for both public and private sectors. Catering to a diverse range of clients, including major insurance companies, corporate entities, and local authorities, the company offers a variety of services such as motor fraud, theft, desktop investigations, surveillance, claimant profiling, and property investigations. With a dedicated workforce of over 325 professionals, including experienced Field Investigators and a specialized research and intelligence team, The Cotswold Group is committed to delivering exceptional results in the field of investigation and intelligence services.

Plantech Engenharia e Sistemas operates as an integrator in the Brazilian security systems market, specializing in the development and manufacturing of building security and management systems. The company focuses on creating solutions for physical security and building management, providing comprehensive technical support to its clients. Additionally, Plantech offers services related to monitoring, control, and management of energy consumption, catering to production facilities. Through its innovative approaches, Plantech aims to enhance security and operational efficiency within various infrastructures.

SSE Do Brasil Ltda is a company that was acquired by G4S in 2010.

Instalarme Soluções Eletrônicas is a security start-up that specializes in sale and installation of alarms.

G4S NSSC, Inc. provides security products and services to regulated and nuclear industries. The company provides design & engineering, technology integration, and maintenance and support services. It offers video capture system that provides pre and post-alarm event capture, recording, and storing of video from cameras for rapid alarm assessment; and ADANS, an advanced detection, assessment, and neutralization system that provides early detection of adversaries approaching the perimeter.

Hill & Associates is a provider of risk-mitigation services, primarily operating in Asia and the Middle East. The company specializes in helping clients navigate operational risks in volatile and unfamiliar environments. Its offerings include conducting threat, vulnerability, and risk assessments, as well as security audits and compliance risk management. Hill & Associates designs and trains organizations in crisis management plans tailored to various business risks, including information security, cyber threats, natural disasters, and civil unrest. Additionally, the firm provides logistics management for large corporate events and supports personnel safety during transitions such as downsizing. With a focus on comprehensive risk assessments and training, Hill & Associates also serves international schools across Asia, ensuring the safety and security of their operations.

All Star International, Inc. provides facilities operations and maintenance, military family housing maintenance, renovation and privatization, logistics, aerospace support, construction, vehicle and fleet operations and maintenance, integrated facilities maintenance, and medical facilities support services worldwide. Its services include property, energy, construction, supply, fuels, and traffic management; utility, uninterruptible power, fire detection/prevention, electrical, water, sewer line, medical gas, and distribution systems, as well as utilities, roads, grounds, transportation, emergency lights, transformers, medical and non-medical equipment, elevators, air handling controls, and government defense medical logistics standard support database maintenance, repair, installation, operation, engineering, replacement, and support; air crew and passenger billeting, processing, and transport; and cargo management, movement, loading, and control. Its services also comprise custodial, security, range support, calibration, fueling, change of occupancy, mail, vending, capital planning and budgeting, reprographics, scientific lab analysis, sanitary and wastewater systems, refuse collection and recycling, inventory control, security alarm systems, pest control, hazmat control, warehousing, crating, packing and distribution, combat readiness support, air terminal operations, military unit deployment processing, transient aircraft support, fuel and cryogenic storage, restoration, food service equipment, materials control, medical waste disposal, and building renovation and restoration. It serves contracts and customers on an international, national, regional, or local basis. The company was founded in 1983 and is based in San Diego, California with regional offices in Fort Worth, Texas; and Kaiserslautern, Germany. All Star International, Inc. operates as a subsidiary of G4S Government Solutions, Inc.

Adesta integrates some of the most complex communications and security systems in the industry today. They offer a truly converged solution, along with strong project management expertise and superior customer service. Adesta can envision, design, build and maintain systems to meet all their customers' needs – regardless of the size, complexity or location of the project. Their knowledge of a wide range of technologies, products and systems, combined with strict attention to design details, provides cost-effective, reliable and scalable solutions.

Sunshine Youth Services offers child related social services.

Nuclear Security Services Corporation is known for detection and assessment systems for high level security facilities in the U.S.

Quantico Limited offers intellectual property consulting, brand protection commercial investigations.

Touchcom, Inc is installs and maintains web-based electronic security systems and facility management software.

ArmorGroup offers defensive and protective security services to national governments, multinational corporations.

RONCO Consulting Corporation is an international professional services firm based in Washington, D.C., founded in 1974. The company specializes in providing a range of security services aimed at creating safe and prosperous environments for nations, non-governmental organizations (NGOs), and commercial entities impacted by conflict. Its primary focus areas include humanitarian and commercial mine action, ordnance disposal, security assistance, canine detection services, and specialized training. In addition to its security services, RONCO also offers web design and hosting solutions, further diversifying its capabilities in the defense and space sector.

GSL is an international leader in the provision of critical support services for governments, companies and public authorities. Headquartered in Broadway, Worcestershire, UK, GSL employs approximately 9,000 staff in the UK, Australia and South Africa.

First Security SPRL provides personal and real estate security services.

Ridderikhof Groep offers security services including fire prevention in the form of safety monitoring.

Fidelity Cash Management Services provides cash services in South Africa.

Wackenhut De Colombia provides cash processing and transportation, logistics, information backup.

OneService, Inc provides insured shipping solutions to the jewelry industry.