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
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.
Wildlife Bridge in Ellenbrook
A 12-meter-wide bridge north of Ellenbrook in Western Australia, connects bushland known to house abundant wildlife utlising Reinforced Earth walls and precast concrete elements for bridge abutments and retaining walls.
Supporting One Subiaco – Precast concrete columns
Geoquest played a key role in the foundation construction of One Subiaco in Perth by supplying and installing 35 critical precast concrete columns.
Latest News & Media
40 Years of Reinforced Earth® in New Zealand
Geoquest has strengthened New Zealand’s infrastructure for 40 years. Clyde Dam and Cromwell Gorge is a benchmark in long‑term geotechnical resilience.
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.
