Sovereign-SIS was estalished in 2009 bringing together leading operatives in the field of security, intelligence and investigations, in order to provide a truly comprehensive professionl service to meet the needs of customers.

Space CCTV design quality, cost effective Security Solutions for Homes and Businesses throughout the North West.

Established in 1993 Spectre is a market leading independent provider of electronic security solutions. Typical projects include schools, colleges & leisure sites to large industrial and retail developments locally and nationally. The company's solutions include integrated management systems CCTV access control security grilles electric gates electronic barriers perimeter sences foggers asset tracking personal attack systems.

Founded in 1984, Spectrum Financial Systems is one of the largest and most trusted suppliers of banking equipment and services in the United States. Initially operating solely out of Mooresville, Spectrum grew to have more than 100 employees and is now able to provide security, surveillance, ATM's and teller cash automation to banks and credit unions in North Carolina, South Carolina, Georgia, Virginia, Florida, Alabama and West Virginia.

For almost 20 years, Spotter Security has been providing Canadian businesses with reliable security solutions. They tailored systems have protected countless buildings and commercial properties including facilities, construction sites, and other locations.

Square Technology Pvt. Ltd is founded with an objective of providing better information technology services and security surveillance system in domestic and international arena. The company has been working in wide range of IT related activities that includes sales and distribution of IT products, security surveillance system, software development, networking services, consultancy, support and maintenance of above stated services.

Squire Alarms have been providing alarms & security solutions since 1981. Based in the Leicester, the company are experts in providing high quality installations of security systems to both residential and business premises. Squire Alarms' solutions conform to British Standards, and local Police policies and are NSI approved.

SSC Infrasek committed specialises in installing and maintaining of electronic systems including CCTV systems, access control, alarms systems, fibre optics, intercom solutions, and fire detections etc. The company are fully committed to provide an efficient service, in order to ensure client satisfaction. Based in Bellville, SSC Infrasek ensures that the latest technological trends are communicated to all relevant personnel.

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.

A part of Stanley Black & Decker, STANLEY Convergent Security Solutions, Inc. is the second largest electronic security company based on total revenue and one of the largest system integrators in the United States. STANLEY CSS designs, installs, monitors and services security systems for industrial, government, commercial, residential and national account customers.

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.

Starr Computer Solutions provides various security services, such as alarm system monitoring, alarm system installation, alarm system installation and camera system installation.

Stefanton is a security company that deals in the installation of cctv cameras, GPS trackers and other electronic security systems.

Stölting Service Group provides qualified personnel and state-of-the-art technology, while guaranteeing the smooth execution and processing of events. Stölting provides services such as alarm activation & alarm tracking, video disconnection & video alert tracking, fire protection and fire services, emergency call and service centres, intruder alarm systems, access control systems and video surveillance systems.

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. Specialising 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.

Structure Works is a security company with expertise on all “integrated security” solutions. The company provides various services, such as full security integration, fire alarm services, alarm monitoring, CCTV systems, IP video, perimeter protection and wireless video and access.

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.

Sukhi Orion is a leading provider of CCTV systems, access control, door entry systems, biometric system and fire alarms for home and business security.

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.