Professional Security's wide range of guarding and door supervision security services will ensure users have the highest calibre of security personnel to protect their people and secure their assets and locations.

PureLiFi is involved in into LiFi network and mobile communication. The company develops LiFi-XC, a plug and play system, to provide lightweight, high-speed, and secure communications.

Pyreos is a manufacturer of miniature, rugged, pyroelectric, mid-infrared sensors and detectors which respond faster and minimise power consumption. They are one of the renowned suppliers of integrated digital ezPyro SMD pyroelectric sensor subsystems for gas, flame and analysis applications.

QinetiQ is a defence, aerospace, technology and security company. They deliver technology-based services and solutions, ground-breaking products and unrivalled research capabilities to solve some of the world’s most challenging problems. Their customers are major governmental organisations and commercial businesses across the globe. They work with NASA, Rolls-Royce, BAA, Boeing, Intel, RNLI, London Underground, the Armed Forces.

Quanika specialises in developing and implementing advanced systems integration projects in both corporate and government settings, delivering on the full promise of integration. Quanika creates powerful, off-the-shelf solutions for the most efficient management of security, fire, building controls and site-specific business systems and devices.

Qush was founded in 2016 to create a better, smarter way to deliver security. Innovative companies worldwide use Qush for human-centric data loss protection.

Ramtech is the UK’s renowned wireless systems technology specialist, delivering innovative safety and security solutions for leisure and industrial applications. Their cutting-edge systems are engineered to deliver the highest standards of legislative compliance while meeting the unique safety challenges of complex environmental conditions from rail depots to banks, power stations to construction sites.

Ripjar's mission is to provide global companies and institutions with the most advanced data and analytic solutions to protect themselves in real-time from evolving risks that threaten their growth, prosperity, and value.

One of the UK’s providers of housing, care, and commercial services, Sanctuary manages over 105,000 homes throughout England and Scotland, including general rented, retirement living, supported housing, student and key worker accommodation, and care homes. Sanctuary also provides a range of other services including maintenance and telecare.

Savortex® is a multi-award-winning British IoT (Internet of Things) hand-hygiene technology company. We are revolutionising workplace hygiene, safety and profitability using smart data. With over 400 projects deployed to date to multinational companies such as Gatwick Airport, MITIE, Shell and RBS to name a few.

SBES Limited was incorporated in 1997 & is a provider of lone worker alarm systems. SBES has achieved SIRA Certification for ISO 9001:2008 for the design, manufacture, sales, installation and service of electronic lone worker protection equipment. SBES Limited's product line includes - SBES LifeSaver, SBES Responder & SBES Protector.

Scott Safety is a world leader in design, manufacture & sale of high performance respiratory protection products, monitoring & sensor equipment & other protective solutions for fire services, petroleum, chemical, construction, industrial and emergency services including first responders, law enforcement, military and civil defense. Scott Safety is a Tyco International company that has operations in the UK, Finland, China, Australia, & Mexico.

Secured by Design (SBD) is the official police security initiative that works to improve the security of buildings and their immediate surroundings to provide safe places to live, work, shop and visit. There are currently many hundreds of companies producing thousands of attack resistant crime prevention products, across 30 different crime categories, which have achieved Police Preferred Specification.

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.

Send Word Now is the leading worldwide provider of enterprise communications services. Their easy-to-use, web-based and mobile solutions are deployed by businesses, government agencies, universities and non-profit organisations to ensure fast, effective communication when it is needed the most.

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.

Sepura offers broadest ranges of TETRA and DMR products, & supplies surveillance accessories. Company acquired Fylde Micro Ltd, the UK-based radio trunking solutions company in 2014, 3T - the Austrian supplier of TETRA infrastructure in 2012 & Portalify, the Helsinki based applications developer, in 2013. Sepura's solutions enable the emergency services and users in the public safety, transport etc. to face critical communications challenges.

With headquarters in the UK and offices and facilities throughout Europe and North America, Shield is a pioneer in providing advanced solutions for telecom operators, via equipment, services and software. They develop and implement solutions that reduce costs, improve returns, create more efficient processes and ensure the highest standards of environmental care.

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.

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.

SmartSec Solutions was established with a clear and defined vision; to offer the clients an outstanding and unrivalled personalised service. They pride themselves in the quality of the service delivery. With their extensive range of Security Services, coupled with the Reception Concierge and Cleaning Solutions, they believe that at SmartSec they have the right choice of solutions for the business.

Critical operations demand unwavering reliability. Established in 1958, SMC Group is an innovative, dependable, quality manufacturer of specialist masts, antennas and RF communications equipment built to perform in any environment. Awarded “Best International Manufacturer of the Year” in 2023 by Business Awards UK, SMC Group offers a comprehensive multitude of services designed to meet the unique needs of various industries.

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.

Spectra Group (UK) is a leading international provider to Defence & Security, Aid & Emergency and commercial organisations, of secure voice, data and satellite communications, in locations with limited or compromised infrastructure. Using Inmarsat satellite services for small, lightweight, very portable applications and VSAT in relatively static, higher bandwidth applications, the service is supported by a 24/7 Network Operations Centre (NOC).

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.

Steatite is a market leader in design, development and supply of rugged and industrial computers, custom lithium battery solutions and secure communication systems for mission critical and harsh operating environments. Steatite provides solutions for Defence and Security, Down-hole Applications, Emergency Services, Oceanographic, Vehicle Embedded Systems, Industrial Automation, CCTV and Security, Tracking and Telemetry.

Stocksigns Ltd is a supplier of health and safety signs. The company covers signage requirements of fire safety, quarries, water safety, first aid, traffic & highways. The wide services provided by Stocksigns Ltd. extend till MoD signage and local housing associations.