The IMarEST is an international membership body and learned society that brings marine engineers, scientists and technologists together into one professional body. The largest marine organisation of its kind, it spans 128 countries and works to promote the scientific development of marine disciplines, providing opportunities for the exchange of ideas and practices and upholding the status, standards and expertise of marine professionals worldwide.
Members are able to gain professional registration (such as Technician, Incorporated, Registered or Chartered status). Education is supported through the Marine Learning Alliance Ltd, a subsidiary of the IMarEST Group that delivers distance e-learning.
The IMarEST is an NGO with consultative status at the International Maritime Organization (IMO), 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) and it has special consultative status with the Economic and Social Council of the United Nations (ECOSOC).