DAIR is an international engineering and consulting firm specialized in the design, planning and supervision of civil infrastructure. With offices in Spain, Saudi Arabia, Bahrain and Egypt, we work alongside public and private clients to deliver innovative, sustainable and resilient solutions in mobility, water, transport, structures, urban design and the environment. Our multidisciplinary teams provide expert support across the entire project lifecycle-from early advisory and technical studies to detailed design, site supervision and O&M services. We combine deep local knowledge with global expertise to tackle the complex challenges of today’s infrastructure.