SICPA is a privately owned company providing secured identification, traceability and authentication solutions and services. It was founded in 1927 and headquartered in Lausanne, Switzerland. SICPA is an international organisation with offices and factories on five continents. The company is organised around three global businesses: security inks; government security solutions; product and brand protection solutions.

Sight & Sound provides high quality and reliable security services throughout London, Kent, Essex, East & West Sussex and Hampshire. The company provides manned guarding, key holding & alarm response, remote monitoring services, etc. for factories, offices, retail, schools, construction sites, councils, hospitals and libraries, as well as other industries and businesses. Sight & Sound is a SIA Approved Contractor.

Sigma Engineered Solutions Ltd is a provider of fire & security systems such as access control, door entry, CCTV, intruder alarms & fire alarms. The company serves both domestic & commercial markets. Sigma Engineered Solutions Ltd installs and provides maintenance of burglar alarms & monitoring, photo ID system, fire alarm system as well as building management system.

Signicat is a provider of electronic identity and electronic signature solutions. Signicat deals with authenticating users, providing electronic signing, identity proofing, and document preservation. Their goal is to enable customers to do business more effectively by delivering great user experiences for the end users and at the same time reduce the risk by using advanced security technology.

Silicon Safe Ltd is a UK cyber security company that develops impenetrable network storage solutions in hardware, which prevent bulk data theft of secrets during a cyber-attack. The patent-pending ‘no-read’ technology isolates secrets at the hardware level – they can be stored and checked for accuracy, but it is impossible to steal them over connections to the appliance.

Simec Security provides access control, CCTV, ID, door entry, alarm and integration services to the commercial sector. The company has over 50 years of experience in the electronic protection of commercial key assets including- personnel, property and data. Simec Security have been awarded SAFEcontractor accreditation through the scheme that assesses health & safety competency of contractors and service providers.

Simpli Security is a UK based online retailer offering a huge range of security products including intruder alarm systems, CCTV cameras, money counters, safes, convex mirrors, traffic mirrors, metal sheds, storage sheds, bike storage, safety mirrors, barriers, car park barriers, bollards, bike racks, crowd/ queue control and much more.

Skanska, established in 1887, is one of the world’s leading project development and construction groups. The UK operation is one of the country’s top contractors.

SkillWeb's SmartTask security management solution is light weight, flexible and easy to use. SkillWeb provides technology solutions designed to help organisations manage their mobile workforces and track the movement of their goods. The company's solutions typically help an organisation track and report on the progress of items or jobs throughout their journey to successful completion highlighting in real-time any operational issues.

Skyguard provide the UK's premier personal safety service for lone workers and people at risk. The company offers a state of the art UK based 24/7 incident management centre certified to the highest industry standards, along with a range of best of breed personal safety devices.

SkySoft-ATM is a leading-edge ATC solutions provider offering a complete range of products designed for the current and future needs of Air Traffic Control Centres and Towers. The company designs solutions based on innovative technologies, open architectures, COTS platforms, and Open Source software to deliver safe, productive and cost efficient systems.

SleepTight Security specialises in installing, fault finding, commissioning and servicing electronic security system, including intruder and burglar alarms, CCTV, electric gates, fire alarm systems, access control.

Smart Ingenierie Developpement (SID) is a French software editor company that develops software designed for security. Thanks to their expertise and know-how, they provide management and centralisation software at the cutting-edge of technology, and are able to always best meet the client's needs thanks to specific development.

SmartTask is an advanced employee scheduling and mobile workforce management solution that enables companies to plan and manage their workers. SmartTask combines intelligent rostering, live monitoring and integrated proof of attendance across both static and mobile teams, making it the ideal tool to improve operational control, enhance customer satisfaction, and support duty of care to staff.

SME CCTV provides security solutions for London, Kent, Essex, Middlesex, Buckinghamshire, Hertfordshire, Berkshire, Sussex and Surrey.

Smye-Rumsby is a service-orientated company, offering equipment sales and a full, twenty-four-hour repair maintenance service, providing procurement and maintenance services to users of marine navigational equipment, including shore-based radar and radio communications. They also install, monitor and maintain CCTV systems along with a complete service for PA systems.

SN technique was created in January of 2010 to become a leader in the services of installation, rental, service, marketing and video surveillance and security systems with the aim of expanding its presence nationally.

Sodexo Ltd develops, manages and delivers a diverse range of services, designed to improve the quality of life for clients and customers. Based in London, the company's service includes security and grounds maintenance for its clients in offices, schools, prisons, hospitals, military bases, remote sites and hospitality events. Sodexo is the only company to integrate a complete offer of innovative services, based on over 100 professions.

Sound Intelligence is the worldwide pioneer and market leader in advanced audio analysis technology. After years of research at the University of Groningen Sound Intelligence has the proprietary technology used in a variety of situations such as city centers, prisons and care. Some of its Technology partners include Axis Communications, CNL, Bosch, Louroe Electronics and Panasonic, among others.

Formed in 1996, South Manchester Gate & Barrier is one of the largest suppliers of Gate Automation in the North West. South Manchester Gate & Barrier have over 10 years experience in the automation industry and have achieved a large customer base of domestic and commercial clients. The company offers project planning, installation and maintenance services as well as a highly professional after sales service.

Southern Monitoring Services Ltd is an independent Alarm Receiving Centre and Remote Video Response Centre in the UK and has achieved the first NSI Quality Assurance ISO 9002 certificate. The company offers services such as security system monitoring, remote video monitoring, out-of-hours service co-ordination, lone worker monitoring, fire alarm monitoring, facilities & bespoke monitoring, as well as assisted living & telecare monitoring.

Spartan 24 Hour Security provide security operatives for a wide range of clients in the North West, UK and Worldwide. Security operatives have the ability to use their own initiative and solve problems that sometimes arise. Spartan 24 Hour Security started trading in 2009 and have an expanding customer base due to our high standard of service.