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We are committed to maximising success for our customers in every commercial project we deliver

Based on our history of proven delivery on large and complex office projects, along with our continually innovative and collaborative approaches to each project’s challenges, John Sisk & Son’s experience in the commercial building sector has always offered confidence to our clients.

In leading commercial cities around Ireland and the UK (Dublin, Cork, London, Manchester, Birmingham) our ability to work in tight locations has enabled us to deliver an extensive range of iconic offices and mixed-use developments, and we are recognised by our global customers as world leaders in safe and effective delivery.

Our status as Ireland’s long-term number one provider of construction services has been extensively earned through decades of operations across Ireland, the UK and mainland Europe. Ever since our earliest beginnings in 1859, John Sisk & Son has always trusted in the skills and vision of our people to drive our relentless spirit of innovation.


Santander, Unity Place

We are committed to maximising success for our customers in every commercial project

Royal Academy of Arts (RA), London

Royal Academy of Arts (RA), London, UK

Bottleworks, No. 15 Barrow Street

50 Bolsover Street, London

Other Commercial Case Studies

Air Street, London

70 St Stephen's Green

Wembley Arena

Station Building 2, Dublin

Arthur Cox, Dublin

Hilton Hotel, Wembley

One Commercial Street, London

Contact us and see how we can work together

Image of Ken Aherne
Ken Aherne

Director - Ireland & Europe

Ken joined John Sisk in 1988 and has 30 years construction management experience with the company. Having managed numerous building projects as Contracts Manager, Ken was appointed Regional Director in 2006. 

Ken has managed the successful completion of new build, fit-out and refurbishment projects within the commercial, educational, healthcare and retail sectors across Ireland.