Selous Security are a SIA training provider for door supervisor, security guarding and physical intervention.

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.

Serco Group plc is headquatered in Hampshire, United Kingdom. The company caters to markets in IT & BPO outsourcing, local government, home affairs, defence, science, nuclear, health, education, welfare to work and to the private sector.

Serv Security specialise in the consultancy, design, supply, installation, commission, service, maintenance and technical support of technology based Security Solutions. The company offer full Fire, Security and IT Package throughout the UK. Serv Security supports smaller commercial and domestic clientele, to growing its capabilities to also encompass support for larger clients with specific needs and requirements.

SGW Security Consulting has been providing independent security risk management and security engineering consultancy services. Based in Edwinstowe, the company's team of independent multi-disciplined Consulting Engineers, Fire Safety Engineers and Security Consultants, CCTV Consultants and Project Managers, specialising in securing the Built Environment. SGW recommend security measures that address risk, protecting people, property, and assets.

Shield Asset Security Ltd is a long standing and trusted security guard hire and security services company. With many years experience in the industry Shield is your first choice for all of your security needs.

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.

Sibylline is a leading strategic risk consultancy delivering timely, accurate, relevant and actionable intelligence; tailored to increase organisational resilience and decision advantage. They support businesses, governments and NGOs through the provision of high-quality risk analysis and due diligence services.

SilverNet is a UK based manufacturing company specialising in the design and manufacture of rugged, high performance cost-effective wireless and switching networking devices since 2005. Over which time SilverNet have gained an enviable reputation in the wireless market.

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.

Sitewatch are consultants, installers and operators of automated fire and security systems. Services include CCTV, access systems, fire detection, security gates, remote management, biometrics, consultation, supply, installation & maintenance and project management. Whether clients' requirements are for stand-alone or fully integrated systems, Sitewatch can provide a tailored solution to every security requirement.

Skyguard provide the UK's premier personal safety service for lone workers and people at risk. The company offers a state of the art UK based 24/7 incident management centre certified to the highest industry standards, along with a range of best of breed personal safety devices.

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

SMi have had an established portfolio of Pharmaceutical, Defence, Energy, Finance and PPP/PFI events running since 1993. The SMi Group is a world leader in business-to-business information. Within the past year thousands of senior executives from blue chip companies benefited from SMi's highly targeted conferences, workshops and master classes.

Solutions In Security Limited was created to fulfil the growing market for Specialist Security Training and Personal Safety Training along with incorporating a pro-active Consultation Service for both the Security and Custodial market sectors.

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.

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.

Spearfish works closely with organisations in the corporate, international development and maritime sectors and manages physical security risks on land as well as sea. They deliver individual security solutions for clients operating in high-risk and complex environments. They also provide consultancy services to organisations, managing risks and threats to personnel and facilities.

SPS Global is an independent risk management company offering consultancy, contingency planning, crisis response services and training to clients either actually or potentially at risk from criminals and terrorists. The consultancy operates worldwide and has particular expertise in the field of short notice, one-off special projects requiring an all-encompassing approach and solution, which SPS can manage from start to finish.

‘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.

Safe Apps Ltd (StaySafe) provide a lone worker safety solution for business customers and a personal safety application for the consumer market. StaySafe Business offers lone worker protection. It is a safety app that can track the location of lone workers in real-time and enable them to check-in safely after appointments, meetings and lone working sessions, whilst employers have full visibility through a secure, online hub.