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
Chaffey Dam, NSW: Reinforced Earth® for Upgrade
Chaffey Dam, Australia: Reinforced Earth® Walls to Double Capacity, Increase Safety Standards [...]
Pilbara Ports Development Lumsden Point
Geoquest Australia designs and supplies MSE walls, precast concrete wall panels, and bridge abutments—including the first use in Western Australia of GeoStrap reinforcements.
TechSpan and MSE walls for complex road project
Concrete Arch with Seismic Design, Reinforced Earth® MSE Walls and Eleven Bridge Abutments Completed in [...]
Latest News & Media
WestConnex Rozelle Interchange
Rozelle Interchange was key in Sydney’s transport transformation. View the scale and engineering behind the landmark achievement.
Cairns Water Security Project
Cairns Water Security Project: design and supply of 875 m² Reinforced Earth™ TerraPlus® retaining walls —equivalent to three tennis courts.
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 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.
Low Carbon Concrete Approval for Geoquest
Low carbon concrete 60% SCM mix approved by VicRoads in industry first, supporting a greener, more sustainable future in infrastructure.







