Praemunitus is a London-based consultancy with a global reach. It specialises in the development of intelligence capabilities, the provision of security consultancy and the management of security risks in both public and private sectors.

Radiocoms Systems Ltd offer their customers a total communication system: specialist teams that combine a wealth of engineering knowledge and unwavering support to deliver a powerful tool that addresses varied businesses challenges, boosts efficiency and enhances the overall safety practices.

Rapid Action Security is a private security service in the United Kingdom, based in Leeds, committed to providing unrivalled commercial and residential security solutions. They are a reliable and trusted security solutions provider with a committed and reliable workforce.

Regton Ltd is a security detector provider in the UK. The company offers metal detectors for school security, courthouse security, event security, nuclear security, warehouse loss prevention, airport security and correctional facilities.

Safe Simple Secure Ltd offer a fresh, dynamic and innovative approach to home security and business security in Edinburgh, Glasgow and across central Scotland. Founded in 2006, the company provided security solutions for thousands of residential and commercial properties.

Search Techniques offers security solutions such as scheme for loss prevention in the workplace. The applications include factories, warehouses and retail premises.

Seen Services is a globally renowned provider of CCTV systems, access control systems, door entry systems, alarm systems, fire alarms, data networks, electrical components and TV & Satellite services. They provide security, electrical and communication systems for residential properties, industrial and commercial spaces.

Seesy is a disruptive new video-led hiring platform, designed to meet the needs of a new generation of talent and their employers.

SharpEagle Technology caters to a wide range of clientele with operational efficiency through industrial technology & safety solutions. They provide state-of-the-art solutions in the following categories: Explosion Proof Camera Solutions, Explosion Proof Lights, Forklift Camera Systems, Forklift & MHE Safety Lights and Zone 1 & Zone 2 Cameras.

Shield InfoSec Ltd is a specialist security risk consultancy practice delivering integrated security risk management solutions to small and medium size enterprises and multinational corporations, across the full spectrum of logical and physical security domains.

Smart Grid Forums Ltd. are an independent conference production company serving the smart grid technical community. They monitor the market, conduct depth interviews with technical decision makers, and translate this into techno-commercial conferences that empower participants to accelerate their implementation plans and deliver exceptional results to their organisations.

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

Smarter Technologies tracks, monitors and recovers assets across the globe in real time, providing asset tracking systems to the open market and fulfilling the world’s most complex asset tracking requirements.

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.

Sotatech Limited is a leader in design, development and sales of video security systems and supporting equipment ideal for any industry. The company offers new technologies, products, and services that constantly confirm their position as the security industry’s premier video systems and equipment trade tool.

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.

Spetsnaz Security International Ltd. is a UK company, it is registered with Companies House : 10524908 Spetsnaz Security International Ltd. is an International security company dedicated to providing strategic security solutions to corporate and government agencies around the world at any time.

‘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.

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.

Surelock has a highly skilled team of professional private investigators & security consultants providing bespoke and comprehensive advice and services, highly effective in-house training packages, crime prevention strategies, internal audits, surveillance investigations and more.

Swift & Safe Security ltd is a security services company based in Greater London and Middlesex covering every angle of needed security services that are required by the public or private sectors. Swift & Safe Security provides security for communities, special events, businesses, parties, private functions, parking, warehouses and shopping centres in London and Middlesex areas.

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.

Double Check Security Group Ltd t/ T Class UK provides one of the best security services nationwide. They offer an extensive range of security services from Manned Guarding to CCTV Monitoring & Access Control.