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.

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.

SleepTight Security specialises in installing, fault finding, commissioning and servicing electronic security system, including intruder and burglar alarms, CCTV, electric gates, fire alarm systems, access control.

Smart Access Ltd is part od the Guardian Security Group and is based in Marsh Barton, Exeter Devon. The company is one of the leading companies for the supply and installation of Modern Salto Access Control, CCTV and Car park Barrier technologies across the UK. Smart Access Ltd covers the Entire South of England including, London, Oxford, Basingstoke, Reading, Salisbury, Bournemouth, Southampton, Gosport, Portsmouth, Swindon and Bath.

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 organizations.

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

Smart Witness is the vehicle CCTV and safety systems division of Y3K, a global manufacturer and distributor of professional CCTV Systems. At Smart Witness, we concentrate solely on the design, manufacture and supply of vehicle CCTV and safety systems.

Based in Surrey, SmartWitness is the Vehicle CCTV and Safety Systems division of Y3K, a global manufacturer and distributor of Professional CCTV Systems. The company concentrate solely on the design, manufacture and supply of Vehicle CCTV and Safety Systems. SmartWitness main product, the SmartWitness Vehicle Accident Camera, is the world’s most popular Vehicle Accident and Driving Style camera.

SME CCTV provides security solutions for London, Kent, Essex, Middlesex, Buckinghamshire, Hertfordshire, Berkshire, Sussex and Surrey.

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.

Smye-Rumsby is a service-oriented company, offering equipment sales and a full, twenty-four-hour repair maintenance service, providing procurement and maintenance services to users of marine navigational equipment, including shore-based radar and radio communications. They also install, monitor and maintain CCTV systems along with a complete service for PA systems.

So Secure provides high quality home security, selected from the latest technologies for security applications in residential, commercial and industrial premises. Working across Kent, Sussex, Surrey and London, the company specialises in the design, installation and maintenance of effective security systems.

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.

Sonardyne is an international technology company delivering trusted solutions for acoustic positioning, inertial navigation, wireless subsea communication and sonar imaging to the offshore oil and gas, maritime defence and ocean research industries.Sentinel IDS sonar systems are already deployed on more than 30 installations across the world providing security for strategic waterside infrastructure, ships, ports and harbours.

Sonic Security (UK) Ltd have been creating and supplying security systems for over 35 years. The company installs and maintains CCTV systems, security locks and much more. Sonic Security (UK) provides everything from specialist CCTV systems, to security fogging to immobilise intruders.

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 authorized people, while also denying entry to unwanted visitors. It also designs and installs camera surveillance with Remote Video Receiving Center (RVRC) facilities to meet requirements for loss & risk management control.