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A Trademark in Marine Works

Seth - Sociedade de Empreitadas e Trabalhos Hidráulicos was set up in 1933 by the Danish firm Højgaard & Schultz a/s. It is now one of Portugal’s major Marine Works companies and it has gained international renown in Coastal and Port Engineering.
Throughout more than its 75 years of history the Company has undertaken countless civil construction, industrial and public works jobs for central and local government, autonomous institutes, the Portuguese Armed Forces, the US Armed Forces and NATO. more

See an overview of our Jobs.
For further information about us, please see The Company / Historical Notes.

	Renewed certifications Safety and Occupational Health and Environmental Management Seth saw renewed the ISO 14001 and OHSAS 18011 which are now valid until the year 2015, this being a further contribution to build the confidence that customers, employees and surrounding community place in us. more

	Seth continues the execution of the work of strengthening the power Salamonde dam Located in the basin of Cávado-Rabagão in the municipality of Vieira do Minho, work to be done under the CGC "Construsalamonde". more