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Who we are
Founded in 1889 and granted a Royal Charter in 1933, we are the international professional body and learned society for all marine professionals.

With a worldwide membership of marine engineers, scientists and technologists based in over 128 countries, we provide levels of membership for everyone, from professionals seeking to become Chartered or gaining other Professional Recognition, to those just starting out in their careers, or studying in education, or those interested in supporting our work.

We are an NGO with consultative status at the International Maritime Organization (IMO) and observer status at the Intergovernmental Oceanographic Commission, International Hydrographic Organization, the London Convention/London Protocol (LC/LP) and the Joint Group of Experts on the Scientific Aspects of Marine Environmental Protection (GESAMP). We have special consultative status with the Economic and Social Council of the United Nations (ECOSOC), which facilitates its access to other international intergovernmental meetings where our specialized marine expertise is of particular use, e.g. the United Nations meetings on Areas Beyond National Jurisdiction, the Intergovernmental Panel on Climate Change (IPCC) and the work of the International Seabed Authority on marine mining.

Our Vision
A world where marine resources and activities are sustained, managed and developed for the benefit of humanity.

Our Mission
To be the international organisation of choice for all concerned with marine resources and activities, by providing professional leadership, upholding standards, and developing and sharing knowledge based upon integrity, quality and fairness.