Marriott Security are system integrators and installer that tailor security systems according to its clients needs, with high quality access control systems, CCTV, automated barriers and intruder alarms. Based in Peterborough, as a SSAIB certified installers, the company gives its customers the most professional service possible.

Master Alarms Ltd install, service and monitor security systems including smoke and heat sensors, CCTV, access control, and intruder alarms. Based in Kent, the company clients includes builders, working on new homes and apartments. Master Alarms are NACOSS approved and also deal with larger commercial enterprises including Ministry of Defence, Hospitals, Schools, & Universities.

Mastermind Security Solutions provide and install the most advanced and up-to-date innovations in CCTV, Video Intercom, Access Control and Intruder Alarm. We also do repairs and maintenance for our clients. They are committed to fostering good relationships with the customers by gaining a thorough understanding of their physical security requirements and providing them with the skilled and high-quality services that they deserve.

Mastiff supplies and installs access control systems, CCTV, ID cards, monitoring systems and time & attendance systems across the United Kingdom. Based in Hampshire, the company have a UK wide customer base including large multi-national corporations, schools, hospitals and private businesses. Mastiff to provide security solutions, along with a full engineering back-up team for maintenance and system enhancements.

Matias Security is a trusted company of bespoke security solutions, protecting businesses across the UK and Europe considering that 2011. We are experts in sophisticated surveillance, access control, alarm systems, and biometric innovations, providing tailored solutions to safeguard the assets, premises, and information.

Matrix Fire & Security offers a complete range of fire and security systems for domestic and commercial customers. The team can install and maintain CCTV, access control systems and perimeter protection. It also offer perimeter security products, such as buried sensors, fence & wall mounted sensors, radar systems, microwave zoning systems and security management systems.

MAV Systems is a specialist ANPR and surveillance camera technology provider to users worldwide. They have in-house design expertise spanning over 25 years of video solutions in covert and overt operations.

Maxhunt Ltd is security and fire products manufacturer in the UK. The company offers call points, shunt switches, door loops and roller shutter contacts etc. for domestic and commercial buildings. Maxhunt’s all security products conform to BS EN ISO 9002, fire safety products to BS EN 54 Part 11.

Maximum Protection Services Ltd install professional, secure CCTV solutions, access control systems, and intruder alarms etc. From large industrial sites, to small businesses, Maximum Protection Services' engineers are devoted to building the perfect security solution for all its customers. MPS are an N.S.I. GOLD Accredited Installer and at the forefront of the next generation of IP based technologies.

Maximum Security Systems brings together a retired policeman and security alarm specialist to provide security advice and product installation. With our expertise, we can recommend exactly what your house or commercial property needs without trying to sell you anything unnecessary.

MAXTAG is a British company dedicated to the nationwide sales, installation and service of security tagging systems, CCTV solutions, retail analytics and loss prevention software to the retail industry. The company specialises in providing higher performance security products with lower service requirements for the retailer

Mayfair Security specialises in installing and maintaining security systems including CCTV systems, access control, and intruder alarms systems etc. The company provide bespoke security solutions for its customers across all business sectors. Based in Adelaide House, Mayfair Security provide complete fire safety solutions for businesses, commercial and public sector clients.

Mayson Security System installs, maintains and repairs all types of electronic security from Intruder alarms to CCTV and door intercoms, from bells only alarms to police calling systems linked to a 24 hour monitoring station.

Mayteck Limited is a leading distributor and manufacturer of control and data room products with emphasis on Technical Furniture and 19” systems. The range includes excellent Knurr Technical Furniture, height adjustable workstations, consoles, carts and trolleys, 24hr control room chairs plus 19” cabinets, power strips, CPCI.

MBSS is the the leading security solutions supplier within the Southwest delivering security services across a wide spectrum from intruder alarms, CCTV to static guarding and mobile surveillance. The company is a local company supplying and using other local businesses and are keen to encourage and support local business activity at all times. MBSS are approved by the NSI and have been approved to Gold Standard.

Based in Lisnaskea, McElwaine Security supply, install and maintain security system including intruder alarms, CCTV, access control and fire alarms. The company provides a superior level of security, particularly in isolated or rural premises. McElwaine Security service has been successful in increasing the feeling of security in urban spaces as part of an overall community safety strategy.

McGill Security is a specialist building services contractor serving clients in the Residential, Commercial and Industrial Sectors, as well as Homeowners. The company cover the whole of Scotland, providing the complete service from design, to installation and maintenance of intruder alarms, CCTV, fire alarms, door entry systems, access control, smoke detectors, and video entry systems etc. McGill is an NSI GoldAapproved Installer.

McGoff & Vickers(Fire & Security Sys)Ltd are one of the longest standing providers of Integrated Systems in the UK, providing installation, maintenance and designing services for all types of quality security systems. Based in Liverpool, the company's services include CCTV Surveillance, Intruder Alarms, Fire Extinguisher, and Access Control, Service and Maintenance and Remote Monitoring.

MCL Data Solutions offers fibre optics, fibre optic data network and telecommunication products and associated services. The range includes TÜV and LUL approved products.