Pioneering methods of construction in CommercialLife SciencesData Centres, Infrastructure, Residential and Healthcare across IrelandUK and Europe, we are building a better future by driving sustainability.

Copenhagen Data Centre

Copenhagen Data Centre, Denmark

Built with green building standards and performance in mind

Moderna Innovation and Technology Centre, Oxfordshire Moderna

Moderna Innovation and Technology Centre, Oxfordshire

This facility has capacity to produce up to 250 million vaccines per year

Luna & Solar, Wembley Park Solar 3

Luna & Solar, Wembley Park

Named in The Sunday Times 'Best Place to Live' in 2025

Killaloe Bypass Killaloe Bypass

Killaloe Bypass

A landmark achievement, connecting two towns and two counties

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Inside Sisk podcast

Our Inside Sisk podcast returns for a fourth series. We go beyond the physical outcomes of our work to explore the values, experiences and human stories that continue long after the project is done. 

Available to download on Apple and Spotify

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Careers

We want everyone who works at Sisk to have work they care about, with people who care about them.

The Group reported revenues surpassing €2.75 billion in 2024. Accounts filed for Sicon, the parent company of Sisk, saw pre-tax profits jump 62 per cent from €35.9 million to €58.1 million

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Optimising material usage and streamlining human resources to ensure maximum efficiency at every stage of construction

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Our ambition is to lead the industry with the sustainable management of our operations throughout their entire life cycle, whilst upholding our core values of Care, Integrity and Excellence that delivers for our people and planet

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Businesses

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