We excel in the delivery of major infrastructure projects requiring complex engineering solutions

Our global coverage gives our clients extensive access to resources worldwide, allowing our teams to share knowledge, experience and best-in-class design and engineering solutions.

Onsite our teams are focused and organised, delivering precision and quality in systems and safety and innovating in the details of engineering and process.

Delivering vital infrastructure assets 

At Multiplex, we undertake a range of procurement processes to deliver vital infrastructure assets with a focus on the mining and resources, water, transport and social infrastructure sectors. 

We are focused on project outcomes and draw on over 60 years of contracting heritage to deliver innovative engineering and infrastructure solutions in the public and private sector. 

Our track record demonstrates successful delivery in all forms of contracting, from EPC to PPP and BOOT type delivery.  This record includes the design and construction of the Perth Seawater Desalination Plant – one of the largest in the Southern Hemisphere.

Constructing a critical underground transport hub for the CBD

Located on the corner of Wellington and William Streets, Perth’s City Busport has reconnected Perth and Northbridge for the first time in 100 years. The Busport is Australia’s first, dynamic stand-allocation underground bus station featuring functional modern thoroughfares, read more about the project.