The Trade buildings consist of a group of four office towers erected between 1966 and 1969 in Barcelona. Their lobed cross-shaped plan eliminates corners, creating a continuous silhouette that is uncommon in the city. The lightweight façade of dark glass and aluminium, clearly influenced by New York skyscrapers, reinforces their international character. They are not merely a business complex: they introduce a new approach to construction, featuring curved forms, modular repetition, and a modern image that marked a turning point in the architecture of the upper district.

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Its undulating design sought to avoid corners in order to improve the interior layout and enhance the entry of natural light.
To this day, they continue to function as offices, especially for companies in the services and finance sectors.