John Sisk & Son, member of the SISK Group, is an International Construction Company who place a strong emphasis on performance, quality, teamwork and a “hands-on” management approach to ensure client satisfaction.Family ownership for five generations has set the cultural tone for John Sisk & Son. We have been Building Excellence for over 150 years by building trust, certainty and value for our clients.

John Sisk & Son can be relied upon to keep delivering.  We take a long term view of business, investment and relationships.  Our knowledge and skills are augmented by the financial strength and expertise of the SISK Group.  Our overriding focus is on performance.  We take our quality, safety and environmental responsibilities extremely seriously and pride ourselves on our standards and record, a shared commitment laid out in our Zero philosophy.  

Teamwork lies at the heart of our culture. We work together with our customers, professional teams and our supply chain to develop innovative and value adding solutions for our clients.  Relationships have been the key to our past success and will be more important than ever in the future.  Our team is committed to working closely with you to deliver total satisfaction on your projects.

Protecting the welfare of future generations is also reflected in our approach to sustainability by bringing environmental, social and economic benefits to our clients and the wider community.