O'CONNOR SUTTON CRONIN & ASSOCIATES (ENVIRONMENTAL) LIMITED

O’Connor Sutton Cronin & Associates (Environmental) Limited is Ireland and the UK’s leading multidisciplinary consulting engineering practice. Drawing on a broad team of civil, structural and mechanical‑electrical engineers, the firm delivers end‑to‑end design and consultancy services for buildings, infrastructure and energy projects, from the earliest concept stage through to construction and post‑occupancy support.

Key specialisations include Building Information Modelling (BIM) for accurate, gravity‑driven services and high‑voltage utilities, a dedicated Sustainability Department that has produced over 5 000 Building Energy Ratings since 2012, and an award‑winning Energy & Sustainability Team that offers strategic advice and practical implementation to reduce carbon and energy costs. OCSC’s portfolio showcases landmark works such as Dublin’s Exo tower, the historic Obelisk Bridge restoration for Louth County Council, the Fitzwilliam development, and the Goodluck Hope riverside neighbourhood.

With a strong commitment to creating better spaces to live, work and play, OCSC serves developers, local authorities and private clients across Ireland and the United Kingdom, combining technical excellence with a forward‑looking, environmentally responsible approach.