JOHN SISK & SON INVESTMENTS DESIGNATED ACTIVITY COMPANY

John Sisk & Son Investments DAC is a leading construction and development group operating across Ireland, the UK and Europe. With a portfolio that spans commercial, life‑sciences, data‑centre, infrastructure, residential and healthcare projects, Sisk delivers pioneering building methods that put sustainability at the heart of every development.

The company’s recent work showcases its breadth: the landmark placemaking scheme in Dublin’s city centre, the four‑road Dunkettle Interchange upgrade in Cork, and the first two phases of Vantage Data Centres’ DUB1 campus in Dublin. These projects illustrate Sisk’s expertise in large‑scale infrastructure, high‑tech data‑centre construction and urban regeneration, all underpinned by a commitment to optimising material usage and streamlining resources for maximum efficiency.

Guided by the core values of Care, Integrity and Excellence, Sisk reported revenues exceeding €2.75 billion in 2024, with pre‑tax profits rising 62 per cent. The group’s focus on sustainable management throughout the life‑cycle of its operations, together with a people‑first culture, ensures that clients, partners and the wider community benefit from building a better tomorrow.