Founded by Peter O’Connell, OCC Construction is a leading Irish main contractor built on a foundation of experience, Innovation and strong relationships. We deliver high-quality commercial, residential and Medtech projects, adopting a solution-driven approach that ensures safety, buildability and programme certainty. Our projects are delivered in line with our vision — Building Ireland’s future through trusted, innovative and sustainable construction .

We utilise Lean Construction principles, Modern Methods of Construction (MMC), BIM-led design coordination and digitally enabled project management to improve efficiency, quality and long-term value. Our culture is shaped by three values — Authentic, Adaptable and Accountable. They define how we work with our people, clients, partners and supply chain, and are brought to life through six clear business priorities: People, Safety, Quality, Delivery, Sustainability and Innovation.

Together, these provide a consistent focus for how we operate, make decisions and continuously improve across every project. With more than 15 years of experience, OCC has developed a diverse portfolio of award-winning projects across Ireland, including complex projects delivered within live, operational and technically demanding environments. Guided by our mission — Innovating Construction.

— we remain focused on delivering exceptional projects and creating lasting value for our clients, our people and the communities in which we work. Previous Next Next Next 1 2 3 4 5 6 7 Our People At OCC, strong leadership, professionalism, and mutual respect drive everything we do. We work closely with clients to deliver tailored solutions that exceed expectations.