MARISEC is owned jointly by the International Chamber of Shipping (ICS) and the International Shipping Federation (ISF) and provides these organisations with secretariat and staff services. In addition, MARISEC provides the secretariat for the following international maritime organisations:

International Maritime Employers' Committee (IMEC)

International Maritime Training Trust (IMTT)

International Support Vessel Owners' Association (ISOA)

These organisations can all be contacted via the address shown above.