DAIR is an international engineering and technical consulting group headquartered in Spain, with physical offices in the Middle East and North Africa. The company provides comprehensive civil engineering services covering the entire value chain of infrastructure development, from early-stage planning and feasibility studies to detailed design, construction supervision, and technical assistance, as well as consultancy services during the operation and maintenance phases of infrastructure assets.
DAIR’s expertise spans a wide range of transport and urban infrastructure sectors, including roads, motorways, bypasses and highway interchanges, conventional and high-speed railway lines, and urban rail systems such as tramways and metro networks. The Group also delivers specialized traffic and mobility studies, urban design and engineering, territorial and strategic planning, as well as architectural and building engineering services.
In addition, DAIR has strong capabilities in water engineering and hydraulic infrastructures, environmental studies and assessments, and the design and structural analysis of singular structures such as bridges, viaducts, tunnels, and complex civil works.
With a multidisciplinary and international approach, DAIR supports public and private clients by delivering technically robust, sustainable, and efficient solutions throughout the full lifecycle of infrastructure projects.
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