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Organisation Information

Mercantile Marine Office (MMO)

The Mercantile Marine Office (MMO) is part of the Irish Maritime Administration (IMA) of the Department of Transport.

The main statutory functions carried out by the MMO to the public are to maintain a General Register of Shipping, assisting vessel owners with all aspects of Ship Registration and activities such as surveys and issuing of Ship Radio Licences and to maintain the Seafarers Information System and website, assisting seafarers with all aspects of applications for certification. IT projects are progressing that will provide a more efficient online working system for external Certificate providers, approved Doctors that issue medical fitness certificates to seafarers and applicants for ship radio licences.

The MMO is currently open on Tuesdays, Wednesdays and Thursdays from 10:00 to 12:00. Anybody wishing to call into the office to submit an application can do so by contacting mmo@transport.gov.ie to make an appointment.

Guidance Notes on the Registration of Irish Ships
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Registrars of Shipping
2024 - Updated 24/06/2024
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Mercantile Marine Office

Address:
Department of Transport Leeson Lane Dublin 2, D02TR60
Email:

mmo@transport.gov.ie

Telephone:
+353 (0) 1 6783480