Certification of the Quality System

Skills for Oil and Gas (OPITO)
https://www.opito.com/

Global Wind Organization (GWO)
http://www.globalwindsafety.org/

Dirección General de Marina Mercante (DGMM)

http://www.fomento.gob.es/

Marlins English for seafarers
www.marlins.co.uk 

International Association of Marine Aids to Navigation (IALA)
http://www.iala-aism.org/

ALL ACADEMY
https://allacademy.com/

Instituto Social de la Marina (ISM)
http://www.empleo.gob.es