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.

Select Electrics Limited was established in 1997 and incorporated on 22nd May 2002. Originally specializing in electrical Installation and maintenance, Select Electrics is a provider of CCTV systems installation, maintenance, and repair with specialist telecommunications and fiber optics expertise.

Select have expanded to become a provider of CCTV systems with expertise in telecommunications and fiber optics networks.

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 centers, void and occupied property, business premises and NHS / healthcare facilities.

Senator is an SIA approved contractor providing manned guarding, security guards, mobile security patrols, alarm response and key holding in London and South East England, the Midlands and Wales together with CCTV, remote monitoring & PSS; public space surveillance, PTS rail security; personal track safety and port security; PFSO security services.

Sensetech Systems Ltd is an LPS1014 Accredited independent Fire Alarm, Security and Structured Data Cabling Company. They offer fully integrated and bespoke systems which are at the forefront of technology in life safety, security and data solutions. Their comprehensive range of services encompasses every fire alarm, security and data requirement from design, supply and installation through to ongoing maintenance and monitoring.

Sentinel Systems supply, install and service a range of vehicle safety solutions including reversing radar, CCTV and award-winning cyclist protection systems ranging from RCVs and tippers to vans and buses.

Seren Fire & Security Solutions supply, install and maintain fire and security solutions, primarily in the South Wales area, including access control, gate and barrier automation, CCTV systems, intruder alarms, emergency lighting, fire systems, fire extinguishers and safety signage.

Serv Security specialize 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.

Servest security services takes a professional and efficient approach, providing a secure environment whilst still preserving personal freedoms. We consider the impact that the delivery of our commercial security services has on employee welfare. We are also acutely aware of the effects security has on customer and visitor satisfaction, and public safety.

With over 20 years experience in the burglar alarm, intruder alarm, home security / CCTV and door entry industry, SG security systems are an established business, offering home security and business security solutions to customers throughout the local area. The business is situated in Stretford (Manchester). SG cover most of Manchester areas including Stretford / Sale / Urmston / Chorlton / Altrincham / Hale / Bowdon / Didsbury / Flixton.

Security and Fire Excellence Award Winner and ACS Champion, SecuriGroup, the parent company of SGL, is a provider of security services throughout the UK. They bring together some of the best staff in the industry with unparalleled national resilience to deliver innovative security solutions.

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, specializing in securing the Built Environment. SGW recommend security measures that address risk, protecting people, property, and assets.

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.

Sicura Systems' world-class services deliver innovative technology and creative solutions for the IT, Broadcast Media and Security industries. Using our extensive experience of managing complex information streams to develop reliable, resilient and scalable products.

Sight & Sound provides high quality and reliable security services throughout London, Kent, Essex, East & West Sussex and Hampshire. The company provides manned guarding, key holding & alarm response, remote monitoring services, etc. for factories, offices, retail, schools, construction sites, councils, hospitals and libraries, as well as other industries and businesses. Sight & Sound is a SIA Approved Contractor.

Sigma Engineered Solutions Ltd is a provider of fire & security systems such as access control, door entry, CCTV, intruder alarms & fire alarms. The company serves both domestic & commercial markets. Sigma Engineered Solutions Ltd installs and provides maintenance of burglar alarms & monitoring, photo ID system, fire alarm system as well as building management system.

Silico envisions a world where every decision is simulated, prior to being made in the real world. Silico is the leading provider of process simulation software, working with enterprises from any sector to transform their decision-making in as little as four weeks. The Silico platform is an end-to-end solution that enables businesses to create digital twins of any business or process quickly and easily.

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.

Simec Security provides access control, CCTV, ID, door entry, alarm and integration services to the commercial sector. The company has over 50 years of experience in the electronic protection of commercial key assets including- personnel, property and data. Simec Security have been awarded SAFEcontractor accreditation through the scheme that assesses health & safety competency of contractors and service providers.

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.

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.

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 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.