John Holland CPB Contractors Ghella Joint Venture (JCG) has established an experienced team to deliver the Eastern Tunnelling Package for the Sydney Metro West project.

All three companies John Holland, CPB Contractors and Ghella, worked together to deliver the Sydney Metro City & Southwest project, successfully completing the 15-kilometre-long twin tunnels and station excavation works.

John Holland

From humble beginnings 70 years ago, John Holland is now one of the nation’s leading building, infrastructure, rail, and transport companies.

From Parliament House to the Alice to Darwin Rail Link, from the MCG’s Great Southern Stand to Sydney Metro, John Holland has had a hand in the Australia we all know today. 

John Holland is currently involved in delivering many of Australia’s largest infrastructure projects, as well as significant property and urban renewal projects.                                            

CPB Contractors

CPB Contractors is the Australasian construction company of the CIMIC Group.

Working closely with clients and partners, our projects connect communities, play a key role in urban and rural development, help drive economic growth and provide vital long-term infrastructure.

With the people and projects of our subsidiary Broad Construction, our mission is to generate sustainable returns for our shareholders by delivering projects for our clients, while providing safe, rewarding and fulfilling careers for our people.

Our operations span Australia, New Zealand, Asia and Papua New Guinea, including some of the region’s most iconic projects.

We work across all key sectors of the construction industry, including roads, rail, tunnelling, defence, building and resources infrastructure.


Founded in 1894, Ghella operate in the design and construction of large public projects and specialise in underground excavation and tunnelling works. Over the course of 150 years, we have built over 130 tunnels and connected more than 1,000 km’s of highways, railways, and subways.

Operating in Australia since 2010, we are working on some of the largest infrastructure projects in the country and have established a recognised presence in the local infrastructure market.

Utilising advanced technologies and state-of-the-art construction methods, we are passionate about our environment and sustainability is always at the forefront of what we do. Our values and people are truly the heart of who we are as we continually strive to leave a better world to the next generations.