The Society of Maritime Industries (SMI) serves as the leading voice for the UK’s maritime engineering and business sector. It promotes and supports various companies involved in the design, construction, refitting, and modernization of ships, as well as those supplying essential equipment and services. SMI plays a crucial role in providing networking opportunities, showcasing member innovations, and facilitating collaboration through conferences and trade missions.

The organization is structured around six councils that address key areas including marine science and technology, commercial marine, maritime autonomous systems, digital technology, and maritime defence and security. By advocating for its members' interests, SMI aims to enhance the business environment and foster a culture of innovation within the maritime industry. As a trusted partner to the UK government, SMI also helps shape policy and regulatory frameworks, ensuring that industry voices are heard.

Through its diverse offerings, SMI empowers maritime organizations of all types to thrive on both national and international stages