Actividades de Construcción y Servicios, S.A. (ACS) is a Spanish multinational infrastructure and services company headquartered in Madrid. Founded in 1997 through the consolidation of several domestic construction firms, ACS has grown into one of the world’s leading providers of civil engineering and building solutions. The company’s roots, however, extend back several decades through its predecessor firms, which built roads, bridges and public works across Spain.
ACS operates through four main business lines: construction, concessions, industrial services and environmental services. Its construction arm undertakes large‐scale civil engineering and building projects, including highways, railways, ports and commercial developments. The concessions division develops, finances and operates long-term infrastructure assets such as toll roads and public transportation systems. Industrial services cover maintenance, engineering and energy‐related works, while environmental services include waste management, water treatment and urban services.
The company maintains a global footprint, delivering projects in Europe, North America, Asia, the Middle East and Australia. Key subsidiaries such as Dragados and Hochtief support its international expansion and local market penetration, enabling ACS to participate in high‐profile infrastructure programs around the world. Its diversified geographic presence helps the group balance regional cycles and capture growth opportunities in emerging markets.
Under the leadership of President and CEO Florentino Pérez, ACS has placed a strong emphasis on digitalization, sustainability and innovation. The group continues to invest in renewable energy projects, smart‐infrastructure technologies and safety initiatives, aiming to enhance operational efficiency and minimize environmental impact across its project portfolio.
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