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


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During several years ESS has been assuming an active role in the in the development of sustainable solutions. This path has culminated in the present ESS Strategy, which puts the focus on developing projects, services and products that promote a transition towards Circular Economy and Sustainable Development.


The ESS’s board considers the promotion of sustainability the core part of its mission, looking to align its strategy with the U.N. Global Goals, namely the Goal 12 – Sustainable Production and Consumption.

We only survive if we follow the evolution

     by Ernesto São Simão


Sustainable Value Creation for our customers and community


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