Maritime London is the promotional body for UK-based companies providing maritime professional services to the international shipping industry. Funded by well over 130 companies and organisations from a wide range of disciplines, Maritime London ensures that the UK remains a world-beating location to base a maritime-related business and to conduct maritime trade.

Every second Maritime Optima collects raw AIS data for the global merchant fleet from more than 700 AIS satellites, terrestrial senders, and dynamic AIS sources. They combine these AIS data sources with technical descriptions of the ships, information about ports, and marine data acquired from public sources and partners.‍

Maritime Partner AS was started in 1994 in Alesund, Norway, but can trace its history to 1980. From the beginning the main products has been high speed craft, with focus on offshore rescue craft. In the following years, the company expanded the business rapidly and in 1999 UFAS Holding was acquired. It is now a 100% owned subsidiary of Maritime Partner.

Maritime Partners is a privately held company leading the way in maritime assets, vessel leasing solutions, and construction financing in the United States. They provide transportation opportunities to the maritime industry, offering tailored leasing services to operators across a full spectrum of client credit quality.

Maritime Protection is one of the world’s leading companies within engineering, design and fabrication of Inert gas systems for the offshore and shipbuilding industry. The company, which is fully owned by Survitec, has for 50 years been a company specialising in nitrogen and inert gas system for the marine and offshore industries. Maritime Protection delivers N2, IGG, FGS, Dry IGG and custom-made systems for all applications.

Maritime Research and Innovation UK (MarRI-UK) are a collaborative innovation vehicle for the UK industry and academia to jointly tackle innovation and technology challenges. They focus on research and innovation within mid TRL (3 – 7) levels to address the opportunities between 'discovery and research' and 'commercialisation' of Maritime Technologies and Systems.

Maritime Skills Alliance designs and promotes qualifications and apprenticeships for the UK’s maritime sector. WThey have developed a suite of interlocking standards and qualifications – MSQs, “Maritime Studies Qualifications” - which enable employees to progress both within their specialism and between sectors.

Maritime Survey Services Ltd. are a provider in subsea services. With a world class inshore survey vessels, remotely operated vehicles and an array of survey sensors, their team works with the latest technology and expertise to deliver subsea solutions for a wide variety of marine services and applications.

Martide's cloud-based maritime crew management solution helps to optimize processes. Their integrated seafarer database, crew planning, vessel management and seafarer self service portal makes crew deployment, recruiting qualified seafarers and retaining the existing pool more efficient for staff and crew both onboard and ashore.

Marubeni Corporation is one of Japan’s largest trading companies (sogo shosha) with more than 160 years of history. Headquartered in Tokyo, Marubeni continues to expand its businesses across the globe, with a presence in over 65 countries and more than 130 branches and offices worldwide.

The Mærsk Mc-Kinney Møller Center for Zero Carbon Shipping ensures real climate action. They are a not-for-profit, independent research and development centre, looking to accelerate the transition towards a net-zero future for the maritime industry. With their partners, they drive and facilitate the development and implementation of new technologies and build confidence in new concepts.

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 armed forces. They are an integrated defence company that provide missiles and missile systems for each branch of the armed forces (air, sea, land).

MD Shipbroking is an independent boutique shipbroking firm, offering a competent, reliable and client-orientated service, sounding out all possibilities of the shipping market with a long standing experience in the Sale & Purchase of merchant vessels, including contracting of New buildings, sales for Ship recycling and Valuations.​

MDL, Part Of Renishaw plc designs and manufactures a range of ruggedised time of flight OEM laser sensors and systems for use in harsh environments. The company also produces pencil beam, fanned beam and scanning laser variants that allow for multiple traffic management applications, including vehicle detection, red light violation, over-height detection, camera triggering, ANPR, vehicle profiling and many more.

MDS Europe Ltd. are specialists in high performance food grade lubricants, oils & greases.

Mecal Ltd was founded in 1993 as 'Marine Engineers Certifying Authority Ltd' by the Institute of Marine Engineering, Science & Technology & we still maintain close links with the Small Ships Group of the Institution. Since then MECAL has grown to become one of the leading Certifying Authorities for commercial vessels & workboats up to 24m load line length and for larger vessels under specific delegation.

Mechan Ltd is a globally renowned company in the design, manufacture, installation and maintenance of handling equipment for rail depots. Engineered to withstand the constant demands of rail depots and workshops, their lifting and handling equipment is built to outperform, outlast and outsmart their rivals.

Meercat Boats is the United Kingdom's major builder of versatile steel workboats. Their versatile single and multi-hulled workboats have been sold around the world. The road transportable version offers an effective solution to the problems of fast access and mobilisation to difficult locations often far from the coast.

Mercator Limited is Mumbai-based International organisation. As a group, Mercator has diversified business interests in Coal, Oil & Gas, Commodity Transportation and Dredging.

UAE being the fastest growing hub for the shipping industry in the world required its growth to be complemented by a trustworthy marine service provider having an intrinsic understanding of the regional needs. In more ways than one “Middle East Marine” filled this gap by emerging as a regional marine solutions provider capable of blending international standards incorporating local & regional requirements.

Midt-Norsk Transport AS has engaged in transport mediation. Over the years, They have built up particularly good expertise in northern Norway, and with Trøndelag as the starting point, they have several regular departures north per week.

Miko Marine specialises in marine salvage tools and services and has been on the market since 1996. With more than 25 years of experience, and an international presence in Europe, Asia, and the Americas, they are ready to help at short notice with the standard tools or custom-made solutions.

Miros provides real-time measurements of local sea state and weather conditions to any user, on any device, providing critical data for all relevant stakeholders.

MMC – Millennium Marine Contractors Ltd are one of the South West’s leading marine and civil engineering companies, specialising in marine construction work, diving services, spray concrete, grouting, concrete repairs above and below water, plus workboat and crane barge hire. With over 25 years’ experience at management level, they are confident in their ability to provide a first class service to clients.

MME Group is a family owned business that was founded in The Netherlands more than 50 years ago. Since then, it has expanded to become a globally operating and well respected leader in its fields of activity. These include (Non) Destructive Testing, Marine Surveys, Cathodic Protection, Marine Growth prevention, Rope Access, Aluminium Boarding Equipment and Playground and Recreational Safety services.

Modulift is a team of specialist engineers designing innovative products to optimum specification to ensure a safe lifting environment around the world. They are the globally renowned supplier of the Modulift range of Modular Spreader Systems for heavy lifting applications.

Moen Marin is the world’s largest supplier of working boats to the aquaculture industry. They lead the way in electrification and digitisation of the fishing and aquaculture fleet. Their main products in this strategic area in the years to come will be service and work boats to the fish-farming and entrepreneur industry, diving vessels, tugs and fishing boats.

MOLABO GmbH is a Germany-based startup company, which is dedicated to developing electric drives for the e-mobility revolution. The company's mission is to provide safe-to-touch low-voltage e-solutions to enable sustainable mobility worldwide.

Momac Group is a globally renowned company in the service/maintenance repair of gearboxes, electric motors, hydraulic cylinders and metallurgical engineering equipment.

Monaco Shipping Services (MSS) is one of the major specialised brokers dealing with the world wide transportation of fruit and frozen cargoes in specialised reefer ships. This involves not only the chartering but also the sale and purchase and demolition work for such vessels. Additionally, they work as yacht brokers in the name of Monaco Yacht Management merging their wide international network with the important presence of yachting in Monaco.