Specialised Environmental and Infrastructure Contractors and Consultants.

20 Years Strong

Over 20 years in business.
Impressive, purpose-built fleet.

Over a 100 pairs of capable hands. Reliability,
compliance, safety and risk management
are a given. But we’re more than a blunt
instrument. We’re the sharp edge.

Underground Asset Management

Environmental Resource Management

Industrial Specialised Services

Specialised Drilling Services


Not just resourced but resourceful

Delivering uncompromising quality on commercial, government and industrial projects takes experience that runs broad and deep. You need a team who’ll look beyond the assigned task and do whatever it takes to get the job done.

With QEST, no matter what problem you throw at us, someone within the business has solved it before.

Because we’re always building upon that sturdy foundation of experience, knowledge and skill, you can be sure your project is starting on solid ground.

“You can do that?”

That’s something we hear all the time.

We’re industry recognised for delivering first class technical services. From Underground Service Locating, through to Non Destructive Excavation, Environmental Drilling, Waste Transport and Surveying, we do it all.

What you may not know is QEST can handle the whole process for you, from the strategic pre-planning stage, to rolling the resources to site, through to project handover. That means lower project costs, clearer communication and a single layer of responsibility.

Keen to see how we can move your project forward?

About Us

Our competitive nature is your competitive advantage

We don’t rely on 3rd parties for core activities, so you’ll be dealing with the same high-performance team for your entire project.

That means we’re not just accountable to you, we’re also accountable to each other. And no part of the QEST team would ever let the others down.

Your success is assured because we’re driven to outperform ourselves on every job.

Want a peek under the hood of this high-performance machine?

QEST keeping projects moving will All Terrain Vehicles supporting drilling rigs

Supplying water and equipment ensuring no delays to projects with “inaccessible areas for wheeled vehicles” track…
31 July 2023

QEST to sponsor the Australian Contaminated Land Consultants Association

QEST to sponsor the Australian Contaminated Land Consultants Association – Seminar Presentations – Early Career Professionals…
24 July 2023

New Stream DP IDS GeoRadar

QEST always testing and exploring new equipment and technology to assist their Subsurface & Spatial team…
24 July 2023

Passion And Expertise: The Rebellion Muay Thai And Qest Infrastructure Partnership

“People know Qest from our association with combat sports,” he said. “We wanted to do something…
24 July 2023

Celebrating 20 Years!! 

QEST Infrastructure celebrates a very special milestone being our 20 year anniversary! QEST would like to…
3 July 2023

NEW – Concrete Scanning capabilities!

QEST is always looking at better ways to identify and protect the underground network, assisting in…
26 June 2023

Ready to talk to a human?

Because your project will have its own quirks and unique challenges, there’s nothing like talking to a living, breathing person to talk through your needs.

Give us a call now or head over to the Contact page for more ways to get in touch.