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Swimming Pool
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Inner Garden
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Gym
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Party Room
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River View
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Arrábida Mountain
Omatapalo
Marked by a DNA with nearly 70 years of history and a unique, family-driven culture of rigour and loyalty, Onis Group — formerly known as Omatapalo Portugal, S.A. — was established in 2015 with the clear objective of positioning itself as a diversified group, leading in its fields of operation.
Omatapalo Engenharia e Construção Portugal is one of the companies within the ONIS Group, operating in the field of Engineering and Construction — a sector that would go on to become the Group’s core business, largely due to the strong know-how embedded in its structure.
Today, it is one of the leading players in the construction sector in Portugal.
Its technical team covers all areas of expertise related to its activity, while maintaining high levels of commitment, diligence, and responsibility in its operations.
It is supported by a multidisciplinary team capable of managing processes, delivering results, and ensuring quality standards — meeting the strict deadlines of a society that increasingly demands swift and effective solutions.
We carry out projects across a wide range of construction sectors through the integrated management of various specialities. We oversee and develop the entire process — from engineering and procurement to construction.
The partnerships we build and maintain with our clients and suppliers enable us to offer the most suitable solutions for each challenge.
Omatapalo Engenharia e Construção Portugal is one of the companies within the ONIS Group, operating in the field of Engineering and Construction — a sector that would go on to become the Group’s core business, largely due to the strong know-how embedded in its structure.
Today, it is one of the leading players in the construction sector in Portugal.
Its technical team covers all areas of expertise related to its activity, while maintaining high levels of commitment, diligence, and responsibility in its operations.
It is supported by a multidisciplinary team capable of managing processes, delivering results, and ensuring quality standards — meeting the strict deadlines of a society that increasingly demands swift and effective solutions.
We carry out projects across a wide range of construction sectors through the integrated management of various specialities. We oversee and develop the entire process — from engineering and procurement to construction.
The partnerships we build and maintain with our clients and suppliers enable us to offer the most suitable solutions for each challenge.

Those who dare to dream and train every day with purpose are beings prepared to Build Great Works.
The commitment of a team — where everyone rises in the same direction — is the source of growth: an unstoppable movement where all support and complement one another.
The commitment of a team — where everyone rises in the same direction — is the source of growth: an unstoppable movement where all support and complement one another.