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
MSE walls for Melbourne’s West Gate Tunnel
Geoquest Australia designed and manufactured 9,299m2 of TerraPlus® MSE walls for Victoria’s transformative West Gate Tunnel Project.
Precast Wall Panels for Victoria’s Barwon Heads Road Upgrade
Design and supply of 811 TerraPlus® precast wall facing panels for Barwon Heads, each with bespoke architectural design in rich ochre.
Noise walls for Claisebrook Rail Depot
Geoquest supplied 70 noise walls for along Claisebrook Railcar Depot in East Perth, Western Australia to provide a noise barrier for residents.
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.







