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John Sisk and Son logoJS

John Sisk and Son

About

Sisk is a pioneering international construction and engineering company that has been building the places where people live, work, play, and pray for over 165 years. Founded in Cork in 1859, this fifth-generation family business has grown from a small plastering firm into one of Ireland and the UK's leading contractors, delivering landmark projects that stand the test of time. With over 3,000 staff and revenues surpassing €2.75 billion in 2024, Sisk operates across Ireland, the UK, and Europe, specializing in Commercial, Life Sciences, Data Centres, Infrastructure, Residential, and Healthcare sectors.

The company's portfolio includes iconic structures such as Aviva Stadium, Croke Park, the Central Bank of Ireland, and the Etihad Stadium expansion. Sisk combines modern methods of construction with unwavering commitment to safety and sustainability, driven by core values of Care, Integrity, and Excellence. As a progressive family business with long-term vision, Sisk continues to lead the industry in sustainable management while creating places for future generations through innovative construction excellence and responsible building practices that protect and enhance the environment.

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