NIER Ingegneria S.p.A. Società Benefit is an Italian multidisciplinary engineering and technical consultancy company headquartered in Castel Maggiore, Bologna. The company approaches complex industrial systems through integrated systems engineering principles, combining basic engineering disciplines (mechanical, electrical, electronic, and software) with structured systems architectures.
NIER operates across high-reliability industries including energy, oil & gas, defense, aerospace, rail, nuclear, and process manufacturing. The firm collaborates closely with academic institutions and industrial research consortia to implement advanced methodologies such as Model-Based Systems Engineering (MBSE).