Magnox Ltd, the management and operations contractor, are responsible for the safe and secure clean-up of 12 nuclear sites and operation of one hydro-electric plant. The company is responsible for electricity generation at Maentwrog, defuelling at Wylfa and the decommissioning of Berkeley, Bradwell, Chapelcross, Dungeness A, Harwell, Hinkley Point A, Hunterston A, Oldbury, Sizewell A, Trawsfynydd and Winfrith, in the United Kingdom.

Maintel is a trusted provider of cloud communications and managed services helping customers in both public and private sectors improve their business through digital transformation. It is focused on delivering outcomes, not technology. It partners with some of the world’s leading technology companies and wrap-around the skills and services from professional and managed services teams, to help customers achieve their goals.

Marclay are a cyber security firm based in the United Kingdom specialising in the protection of organisations across the globe against cyber attack. They offer a unique insight into global cyber risks coupled with the knowledge and tools to effectively deal with and mitigate threats.

Marine AI is a software engineering firm, specialising in edge-based sensor-driven cognitive artificial intelligence (AI) to deliver safety-critical marine autonomy. With decades of experience in manned and unmanned marine vehicle design, manufacture and operations, coupled with vast experience in automation and autonomous systems software architecture and computer vision expertise, Marine AI has created Guardian cognitive AI control system.

Market Research Society (MRS) is a pioneer research association. For all those who need, use, generate or interpret the evidence essential to making good decisions for commercial and public policy. MRS is dedicated to the support, promotion and enrichment of the research and business world.

Marketing in Maritime (MiM) is a professional community united by a passion for marketing in the maritime sector.

From initial design, supply and installation, through to ongoing maintenance and monitoring, they maintain the capability to help prevent, detect and monitor the fire and security risks.

Matta is a privately held company with Headquarters in London, and a European office in Amsterdam. Established in 2001, Matta operates in Europe, Asia, the Middle East and North America using a respected team of senior consultants. Matta is an accredited provider of Tiger Scheme training; conducts regular research and is the developer behind the webcheck application scanner, and colossus network scanner.

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

MBDA is the only European group capable of designing and producing missiles and missile systems to meet the whole range of current and future needs of the three armed forces.

Mclennan Servo Supplies Ltd. is a renowned supplier of precision motion control products for over 40 years. They have a commitment to technical excellence and customer service and adopt a partnership approach to business. They offer their customers a professional specification and design service, backed up with qualified and experienced technical sales and applications support staff.

MDOTM was founded in London to bring the scientific method into the world of investing. They are the global provider of AI-driven investment solutions for Banks, Insurance Companies, Family Offices, Pension Funds, Wealth and Asset Managers.

Medialogix delivers Digital Asset Management solutions within the UK, Europe, and Australia. It not only creates intuitive workflow processes but also offers 24/7 technical support for mission-critical systems.

Melrose Industries plc seeks to acquire underperforming industrial businesses, whose operational performance can be improved. The company invests in its businesses to fully exploit their operational and strategic strengths. Melrose finances its acquisitions using a low level of leverage, improves the businesses by a mixture of investment and changed management focus, sells them and returns the proceeds to shareholders

METCLOUD delivers customisable, cyber-secure, cloud computing environments for organisations to work safely and efficiently.

Meterian boosts the security, stability and compliance of software applications so teams can ship software without vulnerabilities ASAP. Meterian empowers enterprises to proactively manage their software assets with the teams they have, regardless of where they are in their digital transformation journey.

Micro Focus is a pure-play software company focused on building, selling, and supporting software. Their cyber security services offer expert design, implementation, consulting, and operational services in the areas of data protection, application security, identity management and governance.

Mimecast has stopped bad things from happening to good organisations by enabling them to work protected. Mimecast empowers over 40,000 customers to mitigate risk and manage complexities across a threat landscape driven by malicious cyberattacks, human error, and technology fallibility. Advanced solutions provide proactive threat detection, brand protection, awareness training, and data retention capabilities in evolving workplaces.

Mindgard is a deep-tech startup specialising in cybersecurity for AI. Founded in 2022 at world-renowned Lancaster University and now based in London, Mindgard empowers enterprise security teams to deploy AI and GenAI securely. Mindgard’s core product – born from ten years of rigorous R&D in AI security – offers an automated platform for continuous security testing and red teaming of AI.

MIT Group develops software solutions for global enterprises with complex engineering assets and regulated processes. They enable them to more easily plan, manage, and control their operations whilst ensuring regulatory compliance.

MJ Tyson Security has extensive knowledge and expertise in fullfilling the security requirements of organisations in the retail, commercial, industrial and public sectors. By offering innovative and cost-effective integrated security solutions, we have created a winning and trusted approach based on many years of experience in the electronic security sector.

Burglar alarms, risk assessment, fire alarms, domestic & home security, CCTV.

Monarch Security Services is an award-winning security firm based in Derbyshire, delivering specialist protection solutions across the Midlands, the UK, and internationally. They safeguard businesses, high-profile events, and individuals, including ultra-high-net-worth clients, celebrities, professional athletes, and royal families, with complete discretion, expertise, and professionalism.

Monitor Computer Systems Ltd. has been a premier supplier of alarm monitoring systems to the UK market and abroad since its founding in 1984. The customers include major security companies, local authorities, telecoms companies, financial institutions and police authorities. The flagship product Sentinel Plus can manage multiple area alarm panels, including remote control and multiple transmission paths.

Monumo is a deep-tech engineering company focused on creating the world's best electric motors. Monumo was born from a desire to move the world to a sustainable future. Electric motors currently consume half of the world’s electricity; its mission is to improve the efficiency of these motors in a way that has never been possible before and in doing so help everyone to use precious resources more sustainably.

Founded in 1966, Moorepay is a leading supplier of payroll and HR solutions to businesses large and small. The company specialises in payroll services, HR software, auto enrolment, time & attendance, employment law, health & safety, HR services, advocacy services, etc. Moorepay Ltd is a NGA Human Resources company.

Morgan Sindall Group plc is a leading UK construction and regeneration group, employing around 6,600 people and operating in both the public and commercial sectors. They operate through five divisions - construction and infrastructure, fit out, property services, affordable housing and urban regeneration.

Martin is accomplished business lead with an entrepreneurial flair, with a 30+ year career dedicated the Built Environment and its digital transformation. Originally trained as an architectural technician, Martin spent many years working on site and in drawing offices, before taking on a number of CAD Management positions.

MSubs Ltd is an independent company, specialising in the provision of Manned and Unmanned Submarines / Vehicles for defence, research, commercial survey and public services. They provide Unmanned Underwater Vehicles, Manned Underwater Vehicles, Unmanned Underwater Submarines, Manned Underwater Submarines, Machined parts, and Undersea battery-powered devices.