Security by Design is a London-based systems integrator. The company offers a wide range of security solutions including CCTV, access control, intruder alarms, information protection, burglary prevention, door entry systems, etc. for commercial and domestic clients. Security by Design provides services from concept through installation to after sales service, system takeover and maintenance.

Security Group is a privately-owned company, based in Bristol and working across south-west of England, specialising in intruder and fire alarm systems that is registered with the Security Systems and Alarms Inspection Board (SSAIB).

Senator Security Services Ltd: Established 1997; a leading provider of integrated security for the Facilities Management sector. Manned guarding, key holding, alarm response, mobile patrols, front-of-house, CCTV remote monitoring and car park management for shopping centres, void and occupied property, business premises and NHS / healthcare facilities.

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.

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.

Sitensys can provide you with a full security solution for the surveillance and protection of personnel and property. We offer fully integrated electronic systems and manned guarding solutions. At the heart of Sitensys Security is our on site guarding services.Sitensys specialises in manned guarding utilising fully integrated electronic security solutions, closed circuit television surveillance (CCTV) and access control systems.

Smart Integrated Solutions Ltd provide dynamic support and design / installation for Security / Integrated Facilities Solutions, with substantial experience in a variety of vertical markets and sectors. Further services include consultancy and TFM innovation for Facilities Management Companies. These solutions include CCTV, ANPR, Access Control, Security Systems and Integrated software platforms, to provide centralisation to clients of systems

Sonic Security offers integrated security systems, access control, CCTV surveillance, as well as fire & intruder alarm systems. Sonic Security's access control and vehicle barrier entry systems allow the free flow of authorised people, while also denying entry to unwanted visitors. It also designs and installs camera surveillance with Remote Video Receiving Centre (RVRC) facilities to meet requirements for loss & risk management control.

ST Fire & Security offers a full range of professional fire & security services, to accommodate domestic and commercial properties, operating from Manea, March, in Cambridgeshire, United Kingdom.

Suffolk Fire and Security, based in Stowmarket, in the heart of Suffolk, UK, are an independent, family-run business. They professionally design, install, maintain and repair all fire, security, and door and gate automation systems. Their expertise covers Intruder Alarms, CCTV, Access Control, Fire Alarms, Fire Extinguishers, Emergency Lighting and Door and Gate Automation.

STS is one of Europe’s and Africa's most successful CCTV, security equipment, work wear, mobile payment terminals distributors and installers. Originally UK based, they have grown in to a global company with branches and distributors throughout the world.

SureView operates across three market spaces, Commercial Monitoring Stations, large corporate organizations running their own Command Centers and guard companies offering blended technology and manpower services to their customers. SureView Systems owns, develops, sells and supports the Immix® product line. Immix® is a video centric software platform.

SWI Security Concepts Ltd are a premier installer of Access Control in Leicestershire, Rutland and the surrounding areas. We cater for small to large businesses, and also domestic properties in the Midlands area. Specialists in the design, installation, maintenance & repair of Access Control Systems, Door Entry Intercoms, Automatic Gates & CCTV.

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.

Syntinex has over a decade of experience in the security industry, delivering a comprehensive range of services aimed at protecting businesses, their assets, and their people. Unlike other firms who specialise in only one area of CCTV, access control or intruder protection, Syntinex offers a complete solution, individually tailoring their services to give you maximum peace of mind.

Based in Rotherham, TecSecure Solutions provides organisations with the highest level of service in the industry. TecSecure Solutions is an independent specialist providing a broad range of stand-alone and integrated technology solutions for security, safety, asset protection, building management and associated applications.

Since 1951, TIS has developed and manufactured the most effective specialist communication systems equipment for industry, the Ministry of Defence and local authorities.

Trinity Fire & Security provides quality design, installation, commission & after care of fire detection, fire safety, life safety & security systems. Other services include; fire suppression, detection & alarms, public address systems, disabled refuge, security systems & access control. Providing services for; Commerce and Banking, Airports, Hospitals, Shopping Centres, Education, Industry, Public Sector, Defence, Historical, Hotels and Leisure

As global technology integrators, TwistedPair specialise in network solutions and bridge the gap between people, workspaces and needs with Leased Line Ethernet Solutions, WiFi Solutions, Network Hardware and ‘Rack, Stack and Patch’ Solutions. They perfectly blend audio and visual technologies, to create environments, which will enhance user experience.

UK Security Projects (UKSP) Ltd are a specialist provider of security systems to clients throughout the UK. The company has designed and integrated security systems for a wide range of clients from large multinational corporations to smaller private companies. UKSP are able to provide comprehensive security solutions across a wide range of market sectors including petrochemical, corporate, government, transport, utilities, leisure and retail.

Umbrella Security Services offers a wide range of security solutions from close protection officers, rapid deployment CCTV, key holding/alarm response and much more. The company also provides a provision and installation service for CCTV, intruder alarms and access control systems. It provides a complete bespoke installations and maintenance service by highly skilled and qualified engineers.

Unique Integrated Systems (UIS) specialises in design, installation & maintenance of high quality electronic security systems. From intruder alarms, CCTV systems & access control systems to fully integrated security and communications packages, the company designs and installs systems that offer quality, reliability and value. An NSI gold medal installer, UIS can handle projects of all sizes, from a simple installation to maintenance contracts.