OCSC is an established International Multidisciplinary Consulting Engineering & Project Management Practice.

The firm was founded in 1988 in Dublin and over the years has grown to become one of the leading multi-disciplinary engineering consultancies in the State, having worked successfully with all of the major public, semi-private and private clients in the Institutional, Commercial, Domestic & Industrial sectors.

The practice has expanded to become an International Multidisciplinary Consulting Engineering firm with over 270 staff in Ireland and the UK.

We provide Civil, Structural, Mechanical & Electrical, Sustainability and Traffic engineering design and consultancy, project management and PSDP services.

OCSC is LEED, BREEAM, Low Carbon Energy Assessor, CEEQUAL and ISO 9001, 14001 & 18001 accredited as well as being a CPD award winning engineering consultancy with an untiring focus on continuing personal and professional staff development.

We are also BSI verified for PAS 1192-2 Information Management for the capital/delivery phase of construction projects as a BIM Level 2 Tier 1 consultant.

We are an accredited 'Great Place to Work' since 2018.