Recruitment and Education

Seafarer Certification

The Irish Maritime Development Office is not responsible for issuing competency certificates to seafarers.

All related enquiries should be directed to the Mercantile Marine Office here.

All certificates are issued by the Mercantile Marine Office of the Department of Transport. All Irish Seafarers certificates can be verified online on or by contacting the Mercantile Marine Office.

Mercantile Marine Office Address:

Department of Transport,

Leeson Lane,

Dublin 2,


Email: admin [at] seafarers [dot] ie

Phone number: +353 (0) 1 6783480