Sistemas Electrónicos y Telecomunicaciones, S.A. offers control access systems and time management, integrated and computerised alarm management platform and CCTV systems integration.

With over 20 years experience in the burglar alarm, intruder alarm, home security / CCTV and door entry industry, SG security systems are an established business, offering home security and business security solutions to customers throughout the local area. The business is situated in Stretford (Manchester). SG cover most of Manchester areas including Stretford / Sale / Urmston / Chorlton / Altrincham / Hale / Bowdon / Didsbury / Flixton.

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.

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.

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.

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.

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.

At Spetsnaz Security International, Ltd., they provide solutions like Locksmith Services, Door Supervision, CCTV, Man Guarding services, etc and is based out of United Kingdom.

Spetsnaz Security International Fidel Matola provides security solutions like Locksmith Services, Door Supervision, Guarding, etc and is based out of United Kingdom.

At Spetsnaz Security International, Ltd., they provide solutions like Locksmith Services, Door Supervision, CCTV, Man Guarding services, etc and is based out of United Kingdom.

SPS Security is a privately owned security and support services company that provides coverage primarily throughout the North of England. The company has established a reputation for excellence, value and customer care and in April 2006 achieved accreditation as an SIA Approved contractor of security services.

‘SQR group’ is one of the leading companies in the Global market providing a broad spectrum of security solutions, consultation services and the implementation of security plans based on thorough risk assessments and threat evaluations. Security, Quality and Reliability are the foundations of the company and they are what distinguishes ‘SQR group’ from other companies in the UK market in particular, and the Global market as a whole.

A division of Stanley Black & Decker (SWK), STANLEY Security is one of the leading security providers in the United Kingdom and around the world. STANLEY designs, installs, monitors and services security systems for industrial, government, commercial and national account customers. STANLEY's employees have the training, the equipment and the processes they need to deliver the finest security solutions in the industry.

Sum Security an independent SSAIB Registered company based East Sussex providing installation, maintenance, repair and monitoring of high quality burglar alarms, CCTV systems, police monitored intruder alarms, access control and maintenance for home and business properties throughout the South East covering forest row, East Sussex, Kent, Surry and East Sussex.

SWARCO Sweden offers solutions that improve mobility, road safety & positive effects on environment. The company's main focus is in sales, projects and services. SWARCO solutions are based on integrated systems where traffic signals, traffic guidance and parking work together to improve traffic flow. ITS is also used to increase road safety through traffic control, incident detection, etc.

Swesafe is one of the largest suppliers of security products and services. The company designs and installs everything from complete security solutions to individual products. Their responsibility extends from the initial needs analysis, until the security solution works. They work with clients in both private and public sectors. The security solutions are always tailored to customer needs.

Established in Tunbridge Wells in 1978, Swift Alarms Supplies Ltd. is one of the UK’s largest and most successful fire and security installation and maintenance organisations. The company provides a fully integrated, nationwide installation and maintenance service to its customers across the complete spectrum of fire and security products.

With its Security Services and Alarm and Security Systems business units, the Swiss Securitas Group offers an effective set of instruments with which to address security and protection needs through constant readiness, state-of-the-art technologies and professional services. Over 10,000 employees are at the service of the Swiss Securitas Group in Switzerland, Europe and elsewhere - dedicated to the field of security.

Sword Services was founded in 1990 by Lawrence Sword and has established itself as a major player in the field of industrial electronic security solutions and gained a reputation for exceptional service and delivery. The success of Sword Services can be put down to a number of factors, not least the tight-knit team of industry experts and technicians assembled within what remains a family-run business.