StrongBox Security Systesms is an SSAIB accredited, insurance approved company who both supply and install monitored burglar alarm systems connected to a dedicated 24hr monitoring station. The company designs and installs bespoke security systems for both the modern home and business premises. Specializing in intruder alarms, CCTV, access control, active fire systems, gate automation and lock smithing.

Stroud Alarms Ltd is Gloucestershire’s provider in specialist fire, safety and security solutions for domestic or commercial concerns. The company offers access control, barriers and gates, CCTV, emergency lighting, fire alarms, fire extinguishers, lone worker devices, intruder alarm and monitoring services etc.

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.

Sunstone Systems are specialists in HD surveillance systems with significant expertise in Megapixel HD CCTV, IP Access Control and Wireless Technology. They have designed and installed a range of HD systems for large organizations, Independent schools, colleges and local authorities in the South East and throughout the UK.

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.

Sussex Alarms Limited is a privately owned company, established in 1981. Sussex Alarms installs and maintains burglar and fire alarms, CCTV and access control to commercial and domestic properties in Sussex and surrounding areas. The company achieved NACOSS (now National Security Inspectorate) approval in 1987.

SV Security Systems Ltd boasts more than 15 years establishment in the security systems marketplace. SV Security Systems offers a reliable service to the Midlands and North West regions. As an NSI NACOSS Gold Approved installer, the company provides the highest industry quality installations in accordance with the industry specific ISO 9001:2008 Quality Management System Standard.

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.

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 organizations. The company provides a fully integrated, nationwide installation and maintenance service to its customers across the complete spectrum of fire and security products.

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.

Established in 1987, T & D Security Systems supplies and installs dependable intruder and fire alarm systems plus many other security products in the central belt of Scotland. The company provides monitoring services for alarm system, via systems such as Redcare.

T. G. Baker (Sound) Ltd, established in 1973, is now a leading UK based sound & communications company specializing in the design, supply, installation, maintenance and service of public address, voice alarm, induction loop, infra red, intercom, CCTV access control and disabled refuge systems nation-wide.

T.S.S (Total Security Services) is a family owned business, established in 1989 and the largest privately owned security provider in the United Kingdom. They supply a wide range of security services to a diverse portfolio of sites - large and small - taking pride in delivering high levels of service to the corporate, retail and public sector organizations.

T2 Security install IP CCTV systems across the UK. The company offers a range of systems for commercial and residential clients. It has bases of operation in the South East, the Midlands and the North of England.

Established in 1985, Tamar Security has over 25 years experience in installing and maintaining within the security industry. Tamar Security is a family run business offering bespoke security solutions for domestic, commercial and industrial clients throughout the South West.

Tate Security Technology Ltd. provides all the traditional disciplines of CCTV systems, design and control panel manufacture. The company offers a number of specialist products and services specifically designed for security establishments such as prisons, secure hospitals, immigration detention centers and ministry of defense establishments.

Taybell Alarms Ltd supplies, installs and maintains conventional fire alarms, twin wire fire alarm systems, addressable and radio (or wireless) fire alarms throughout Leeds.

Taylor Technology Systems Limited is a company based in UK that provides products and services for the security industry.

Established in 1984, Technica Systems Ltd. installation ranges from basic audible systems to intricate high security remote signaling installations. The company is a principal member of BSIA since 1995. Decades of security industry experience give the company the edge necessary to assess any project for vulnerability to criminal intrusion. The company serves medical practices and sporting clubs as well as large corporations.