Arnold & O’Sheridan is a multi-discipline, consulting engineering firm with a proven record of delivering tangible results. We are dedicated to improving the design process and exceeding client expectations by partnering with all project stakeholders through integrated design. The outcomes: improved collaboration, enhanced coordination, fewer delays, and on-time and on-budget completion. At every step of the design process we calibrate our designs to ensure they maximize not only the effectiveness and efficiencies of the building, but also how people live, work, play, and learn in the surrounding community. In short, we deliver higher performance facilities.

Better coordination, greater efficiency for you
As your single source of expertise in structural, mechanical, electrical, plumbing, civil, security, and technology engineering services, we are dedicated to solving complex engineering challenges by considering all facets of the project. In addition to tackling conventional engineering tasks, we incorporate sustainability, survivability, integration and evidence-based design techniques as appropriate. Our skilled and technologically savvy engineers have enhanced the performance of buildings in the healthcare, higher education, corporate+commercial+civic, justice+security, and data center markets.