O'CONNOR SUTTON CRONIN & ASSOCIATES (LONDON) LIMITED

O'Connor Sutton Cronin & Associates (London) 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) for accurate, coordinated design of fibre-optic, high-, medium- and low-voltage services, as well as a dedicated Energy and Sustainability Department. Since 2008 the sustainability team has guided flagship developments through strategic advice and practical implementation, helping clients achieve reduced energy and carbon costs while meeting certification standards (IGBC, USGBC). OCSC's award-winning engineers have contributed to major schemes such as the Fitzwilliam Development and the Goodluck Hope riverside neighbourhood, and have produced over 5,000 Building Energy Ratings since 2012. Their collaborative, client-focused approach ensures that every project is delivered to the highest technical standards while creating lasting environmental and social value.