Halifax Security has been installing cutting-edge security technology and providing superior customer service in and around Halifax, Sowerby Bridge and the Calderdale area. The company provides instillation services of CCTV security system, burglar alarm, door entry and access control, security lighting, fire alarms, and smoke detectors. Halifax Security provides advice on how to protect premises with the latest security technology.

Hall & Kay Security Engineering is the UK’s largest fully accredited independent Integrated Security and Fire Suppression company with over 300 staff and 500+ approved subcontractors spread throughout the regions and across EMEA, offering advanced product technology, the highest standard of professional expertise and service to achieve engineering excellence every time.

Based in Northern Ireland, H.E.S. Alarms is a privately owned firm engaged in the installation and maintenance of domestic, industrial and commercial Intruder Alarm systems. The company is approved to the standards of 'BS EN ISO 9001:2008' and 'Quality Schedule SSQS 101 for the Installation and Maintenance of Electronic Security Systems including: Access Control, CCTV Systems and Intruder Alarms, and Fire Alarms.

Harris & Sandford Security specialise in the installation of effective home and commercial intruder alarms, closed circuit television, access control, fire alarms, personal emergency systems and much more. Located in Kent, the company's main objective has been to install and maintain high quality security installations. Harris & Sandford Security systems comply with the very latest European standards.

Harris County Universal Services is the solutions center for the departments and offices of Harris County. It designs, implements and maintains high-quality, innovative and cost-effective technology products and services for its customers. It provides comprehensive support through divisions: Business Applications, Business Operations, Customer Service, Cybersecurity, Fleet Services, Information Technology Infrastructure, Public Safety Technology.

Founded in 1982, Harrison Locks offers alarm, access control and master key systems. Harrison Locks supply and fit a range of Codelocks Paxton keypads and keyfob systems. The company's access system is Corkey, which is a global access system and Harrison Locks are one of Corkey’s main 4 UK dealers

Haven Security Ltd. designs, installs, update and maintain various security systems for commercial and domestic application. The company is a member of the National Security Inspectorate. Located in East Sussex, Haven Security Ltd. have over 25 years' experience in installing burglar alarms, remote monitoring, access control systems, and fire alarms etc.

Based in Stanford-le-Hope, Hawkwell Alarms work throughout Essex and London, providing homeowners and commercial businesses with the very best in alarm and security system installations. The company's extensive range of alarm system services includes Wireless alarm systems, CCTV, System monitoring, access control, fire detection, and security lighting. Hawkwell Alarms have achieved accreditation from NSI NACOSS Gold Approved.

Herts CCTV Ltd is a UK based installer of CCTV, access control, alarms, automated gates, security lighting for industrial, commercial, and domestic purposes

HESIS are specialists in the design, installation, commissioning, maintenance, and emergency response for all types of life safety and security systems across the United Kingdom. HESIS are market leaders across all business sectors, and have an enviable and proven record which is delivered by a professional business team who fully support all clients by providing the very best levels of service possible.

Heston Apex Ltd has specialised in the design, supply, installation and maintenance of fire detection, extinguishing systems, intruder alarms, CCTV, door entry, access control, asset tagging, audio visual systems, nurse & warden call systems and related support services. The company is NSI Gold Approved for the installation of intruder alarms for both commercial customers and consulting engineers.

Hewes Security is a privately owned company that installs security systems for the corporate, small business and domestic environments and are approved by the National Security Inspectorate. The company's security services includes products like intruder alarms, fire security, CCTV, physical security etc. Located in Essex, Hewes Security maintains their high standards to this day.

Highgrade Fire & Security is a service provider company. The company installs, maintains, services as well as upgrades existing security systems. Highgrade Fire & Security offers wide range of products including fire alarms, intruder alarms, CCTV, access control, emergency lights, networking solutions, fire extinguishers, etc. from leading manufacturers like Pelco, Axis, Hikvision, Bosch, Kentec, Honeywell, Hochiki, Texecom, & more.

Hoffman Security plc is now a part of MRFS Group that offers consultation, design, supply, installation and maintenance for Audio Visual, Fire & Security Systems within the residential, commercial and industrial sectors. Located in Surrey, the company focus on its Customers whilst providing first class integrated Audio Visual, Fire and Security solutions. Hoffman Security plc are NSI Gold installers and also are BAFE certified.

Holman Security Systems installs and maintains various security systems including Burglar Alarms, Intruder Alarms, CCTV, Access Control, Fire Alarms and Integrated Security Systems. The company provides comprehensive range of equipment and expertise, from the simplest to the most sophisticated installations. Holman Security Systems is based in various location such as Leicestershire, Warwickshire, West Midlands, and Herefordshire etc.

Home Star Security installs and maintains burglar alarms, CCTV and fire systems. Home Star can maintain existing systems, installations of new systems of all standards.

HomeStar Security aim to provide excellent home and Business security across Kent and East Sussex. Their Intruder alarms and CCTV systems have been designed using the latest products in security technology.

HoneyMark Security is one of the UK's leading business and residential security solutions providers. HoneyMark covers everything from CCTV systems to intruder alarms, fire alarms and secure door entry systems.

HSK Developments work with approved Alarm and home security engineers and have been installing Intruder Alarms, Burglar Alarms, Fire alarms, CCTV Security and Access Control security systems in in the Plymouth area for over twelve years. We provide full security systems for all types of domestic and commercial properties in Plymouth.

HT Alarms is now a part of MES Systems Ltd that provides high quality installations and maintenance of security products such as access control, CCTV, and intruder alarms etc. The company is SSAIB approved company and meets the relevant British & European standards for Fire & Security Systems. Based in Nuneaton, MES Systems Ltd has become a market leading force in electronic security.

Hyde-AV is an audio and visual company based in the south east England. With dedicated team of audio visual installers, Hyde AV caters to the general public, private and commercial premises. The company offers services for CCTV, security alarms, door entry systems, audiovisual, home automation, PA systems, structured cabling and more.

I See You Security specialises in the installation of CCTV, card access, burglary alarm systems both passive and active, and structured cabling.

I.C. Service and Maintenance Ltd. has built an enviable reputation for customised design and installation of quality fire detection and suppression, security, CCTV and Controlled Access solutions. The company includes a strong management team and highly expert bank of engineers who adheres to all the relevant industry standards. I.C. Service and Maintenance Ltd covers across the UK.

I.D.E.S. install, monitor and maintain electrical installations and intruder alarm systems to homes and businesses throughout Scotland. The company operates to the highest standards and overseen by the industry regulator NSI. I.D.E.S. has grown over the years, and now use its electrical expertise to make homes and businesses work harder for the people.

IBS Security Solutions Ltd. design and install commercial and residential CCTV, Access Control and Integrated Systems to suit its customer’s requirements. The companys installations are to “NSI” Systems Silver standard and a certificate of compliance is issued on completion of each installation. Located in Tyne & Wear, IBS Security Solutions provides a system tailored to the clients individual requirements.

Specialist in building technology & systems engineering , ICT engineering & consultant, social media consultant , project documentation & management.

Ibwest Security Services Ltd. are the largest independent security company operating throughout Grimsby, Scunthorpe, Lincoln, Hull and the surrounding areas. The company provides services such as retail security, manned guarding, building security, vehicle patrols, alarm response and event security. Ibwest Security provides a tailored security service that will meet all of your individual needs.