O'CONNOR SUTTON CRONIN & ASSOCIATES (BELFAST) LIMITED

O'Connor Sutton Cronin & Associates (Belfast) Limited is a leading multidisciplinary consulting engineering practice serving clients across Ireland and the United Kingdom. The firm brings together civil, structural and mechanical-electrical expertise to deliver integrated solutions for a wide range of built-environment projects, from high-rise office towers such as Dublin's landmark Exo building to historic infrastructure restorations like the Obelisk Bridge over the River Boyne.

Key specialisations include Building Information Modelling (BIM), which underpins early-stage coordination, value engineering and precise design of high, medium and low-voltage services. OCSC's dedicated sustainability department, founded in 2008, offers strategic advice and practical implementation for low-carbon developments, backed by an award-winning Energy & Sustainability team and membership of leading green-building bodies. Their civil and structural teams design and construct infrastructure, while the M&E division brings facilities to life, ensuring projects meet both technical excellence and environmental responsibility.