Established since 1947, ESS is a company dedicated to engineering services, mould production, precision mechanics and plastic injection for a wide range of industries.

ESS counts with highly qualified and experienced professionals, which, together with a continuous investment in new technologies and innovation, makes our products and services the choice of a wide range of customers, from SMEs to Multinationals, with exports oriented to the European, Latin America and Africa markets.

Having the sustainable value creation as its vision, the board of ESS assumed as strategic orientation the leadership to promote a transition towards Circular Economy and Sustainability, where Innovation plays a key role.


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ESS is company certified by the standards ISO 9001:2015 and ISO 14001:2015

At ESS we have a strong commitment with the quality of the products and services we offer to our customers. In order to reinforce that commitment and to assure our clients, ESS invested in the quality certification by the ISO 9001 standard, since 2001.  


Sustainability is one of the main values that ESS stands for. Because of that, we seek to adopt the best environmental practices, though minimizing our negative impact in our surroundings. Since 2014, we are environmentally certified by the ISO 14001 standard.


Environmental Declaration    |    Quality and Environment Policy Statement

Face Shields COVID-19

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Since the beginning of the COVID-19 pandemic, ESS has taken an active role in the development of solutions to fight this pandemic, namely the development of individual face shields. As part of a Portugal 2020 programme project, ESS will obtain the capacities for industrial production of these individual face shields, both for adults and children, destined for the national and international market.


In addition to the commercial component, ESS has already donated more than 50,000 individual protection visors for adults to different national entities

We only survive if we follow the evolution

     by Ernesto São Simão


Sustainable Value Creation for our customers and community


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