MARMA - Manutenção e Gestão de Equipamentos e Infraestruturas, Lda.


MARMA – Incorporated in 1998, provides services on management and maintenance of facilities, equipment and complex infrastructures.

MARMA has developed contracts of management, operation and maintenance of large and complex systems, carrying out required actions in order to maintain the functioning of facilities and the quality of services, addressing economic, value & proximity factors for the client.



Incorporated in 1999 by Sisaqua and AGS for the contract of Operation and Maintenance of Freixo WWTP in Oporto for 170.000 inhabitants equivalent.

Brochure and Video

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