Kirby Security UK Ltd has been designing and installing electrical and security products including data and communication networks, fire and security systems including CCTV and Access Control. The company serves both the residential and commercial sectors with its highest quality service and support. Kirby Security's services are underpinned by a Quality Management System that ensures full compliance with ISO 9001.

Based in Surrey, Knight Guard Security supply, install, maintain and service intruder alarm, CCTV, access control and door entry systems. The company provides security systems for every kind of premises and offers service of the highest standard. Knight Guard Security installs equipment in line with the current local police ACPO policy.

Languard Alarm Co Ltd is a installer of security systems for both residential and commercial, since its formation. The company cover a range of security applications including intruder alarms, CCTV, access control, fire alarms and emergency lights, all designed and installed by its highly professional engineers. Languard Alarm Co Ltd is responsible for the installation and maintenance of over 6000 systems.

Lansafe are a business communications specialists, offering services covering a wide range of areas including, network installations, telecoms, broadband, WIFI, security and hosted voice and data solutions.

Lantec Ltd is security system installer in the UK. The company offers CCTV, intruder alarms, access control, fire detection systems, biometric controls, electronic security systems, IP solutions, gates and barriers etc.

Laser Alarms Ltd installs and designs security systems includes CCTV, burglar alarms, smoke detectors, fire alarms, access controls systems, and extinguishers etc. The company provides security and safety to thousands of homes and businesses throughout Gloucestershire and Wiltshire. Laser Alarms design a robust system to protect family, home,business and possessions.

As a result of the rising need for security products, Lazer Beam Security was formed in 1996 with the objective of supplying, installing and supporting electronic security solutions that are effective and reliable. Since the founding of Lazer Beam Security, they have been serving the security needs of both the domestic and commercial markets. Lazer Beam Security is a recognized ISO 9002 installation company.

Lee Security London Ltd have been keeping businesses and homes safe from fire, theft and intrusion by installing fire alarms, CCTV, access control systems, security gates, integrated security, and fibre optics etc. The company is experienced to make sure fire alarm system is effective, compliant and professionally installed, without breaking the bank. Based in London, Lee Security provides the most suitable specification for its clients needs.

Lifeline Alarm Systems Ltd specialises in the design, installation and maintenance of Electronic Fire & Security Systems for domestic, residential, private sector, and heritage sites. The company haven gained NACOSS for Intruder Alarm Systems and maintained high levels of achievement in these approvals ever since. Lifeline Alarm strive hard to provide leading edge technology to all its clients.

Limitless Security specialize in security systems, fire alarm systems and man guarding services for business premises and homes. The company provides reputable, qualified security personnel for all purposes, from event staff and stewards to door security and personal protection. Limitless Security also offers professional intruder alarm system installations and maintenance contracts for both homes and businesses.

Lincoln Security has expanded to become one of the UK's most respected security solution providers. The company protects some of the most critical national infrastructure sites in the UK with its security systems including access control, CCTV, alarms systems, and key cutting services etc. Located on the Lincoln’s high street, Lincoln Security offer selection of products to installation and long-term maintenance.

Link CCTV Systems now design, install and maintain premium integrated security systems for some of Europe’s biggest corporations and groups on over 450 sites nationally. Link currently maintain a range of systems from large schools and universities to government and corporate offices, retail parks, haulage depots and high-profile shopping centres

Lodge Service have years of experience in the security industry to deliver intelligent, data-enabled security solutions for optimum protection of people, property, business operations and profits. Based in London, the company services include remote monitoring, incident management systems, guarding, detection and security integration etc.

Longcross Security Ltd provides security installations, maintenance, and design that allow for maximum flexibility enabling to integrate CCTV with other security systems such as access control, intruder alarms, fire alarms, EAS tagging and ANPR systems. The company is NSI (NACOSS) Gold accredited. Based in Surrey, Longcross Security is dedicated to identifying and undertaking activities which go above and beyond compliance.

Longmore Electronics provides supply, design and installs security systems including CCTV, access control, intruder alarms etc. The company provides both domestic and commercial security solutions. Longmore Electronics also offer 24 hour call outs for emergencies and cover most of Northern Ireland.

UK's Lyrico Systems design, install, commission, maintain, and monitor CCTV, fire alarms, access, intruder alarms, and intercom systems for wide range of clients including local authorities, shopping centers, schools, hospitals, and commercial businesses. Lyrico's network of engineers are based across the UK to offer a nationwide coverage and are dedicated to delivering exceptional customer service.

M & E Alarms (Barnstaple) Ltd design and installs security systems such as Access Control, Electric Gates, Wireless Equipment, External Beam Alarms to list just a few. The company provide a comprehensive and professional fire and security service to the Homes and Businesses in the South West. M & E Alarms have worked closely with local authorities, maintaining fire and security systems in many schools, hospitals and council buildings.

M.A.C. Security Solutions are specialists in CCTV, Alarm and Security Systems.

M.J. Quinn Integrated Services Ltd provide design, installation and maintenance of telecoms, mechanical, electrical, fire detection and suppression systems, LED Lighting, Air Cooling and building services. The company's clients base include transport, retail, commerce, public services, education and hospitality. Based in Liverpool, M.J. Quinn provides tailor-made solutions on both fire protection and detection systems to major companies.

M.P. Alarms (Fire & Security) Ltd are into supplying and installing alarm systems, CCTV, access control systems, and fire alarms. The company's professional team of dedicated managers, supervisors and security Officers provide effective and efficient security services 24 hours a day. M.P. Alarms is continually inspected to ensure continually provide a high standard of work in the office and on site.