Geoquest has been providing innovative solutions for major infrastructure projects in Australia and New Zealand since 1974.

Geoquest Australia & New Zealand specialises in reinforced backfill applications, soil-structure interaction, precast concrete solutions, advanced geosynthetics and environmental hazard protection.

Project Spotlight

2025-09-17T02:54:57+00:00

Wilman Wadandi Highway

Geoquest Australia showcased its ability to deliver major infrastructure project components on the largescale Wilman Wadandi Highway project in Bunbury, Western Australia.

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Latest News & Media

  • Cairns Water Security Project aerial view of site

Cairns Water Security Project

Cairns Water Security Project: design and supply of Reinforced Earth™ TerraPlus® retaining walls, totalling circa 875 m²—equivalent to three tennis courts.

  • EcoStrap HA, sustainable reinforcements for MSE walls, by Geoquest Australia being installed at Diggers Rest Level Crossing Removal project in Victoria.

Resilience through Turn-Key Solutions

How turn-key engineering solutions are reducing risk in a changing climate - resilience through considered geotechnical design and engineering.

  • CBH Avon grain storage, upgraded facility showing new precast concrete walls by Geoquest

CBH Avon Storage Refurbishment

Geoquest supports CBH Avon Grain Storage Refurbishment, a major project boosting capacity in Western Australia’s Wheatbelt.

Precast Deck Slabs for Landmark Bridge

Molonglo River Bridge: 414 precast concrete deck slabs for bridge superstructure - one of the longest weathering steel bridges in Australia and the tallest in Canberra.

Low Carbon Concrete Approval for Geoquest

Low carbon concrete 60% SCM mix by Geoquest approved by VicRoads in industry first, supporting a greener, more sustainable future in infrastructure.

Inland Rail Keeping Victoria Moving

Inland Rail - Geoquest contributes to the delivery of Inland Rail across the East Coast — one of Australia’s most significant freight infrastructure projects. Here we highlight our work in Victoria.