More than 65 years of defining moments.

Things we’re proud of

History

Founded more than 65 years ago by Jack Kenneth Williams, JK Williams is a family business built on a solid reputation for market distinction, its rich family history and a strong heritage of quality, stability and innovative leadership.

The story of Jack Williams

There are certain things that become synonymous with an area. For Penrith, at the foot of the Blue Mountains, it must be JK Williams. With the dark blue background and bright yellow lettering their trademark is distinctive and solid.

Corporate Social Responsibility

JK Williams has always sought to make a genuine difference on issues that matter, and our commitment to making a difference is embedded and resonates in everything we do.

Accreditations

JK Williams understands the importance of remaining diverse and providing effective slipform concrete works solutions, giving us the ability to perform any project that is in front of us. We are a TfNSW prequalified concrete contractor and are on the TfNSW contract register for government works.

Innovation

JK Williams has established a long history of engaging with the latest technology, together with our innovative  approach to improving our slipform concrete construction operations, this has led to the way we deliver projects today.

Women in Civil Construction

Women have been an integral part of our Construction Team for more than two decades! The increase in female representation within the JK Williams construction team has grown organically. Women trust us not just to enter the Civil Construction industry but also to thrive in their careers.