CEMOSA (Centro de Estudios de Materiales y Control de Obra, S.A.) is a Spanish engineering and quality control firm with over five decades of experience, offering expert services in transport infrastructure, energy, water, sustainability, and building works. With a presence throughout Spain and operations in over 20 countries, they deliver a wide range of services — from engineering, construction, geotechnics, quality control, certification, to safety & health, R&D and environmental services. Their mission is to support clients through all phases of infrastructure planning, construction, operation and maintenance, enhancing quality of life and sustainability for current and future generations. Rooted in values of service, efficiency, commitment, transparency, innovation, and equality, CEMOSA emphasizes continuous learning, teamwork, and social responsibility. With a workforce of 1,250+ professionals and a portfolio of about 60 million euros, they strive to remain a leading reference in their field by combining technical expertise with agile, honest, and value-adding consulting.