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.
Latest News & Media
Geoquest Photo Competition
Geoquest Launches Photography Competition with $2,000 Prize Pool. Framing precast and retaining in infrastructure – Capturing form, scale, and presence in context through photography
Geosynthetics Changing the Game
Geosynthetics are changing the game for infrastructure delivery. Pioneers like Geoquest are taking the lead in the application of these components, creating new project possibilities.
FAQ – Precast Concrete Arches
Precast concrete arches are prefabricated, modular structures assembled on site to form tunnels, bridges, and crossings.
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.
Project Spotlight
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.
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.
Chaffey Dam, NSW: Reinforced Earth® for Upgrade
Chaffey Dam, Australia: Reinforced Earth® Walls to Double Capacity, Increase Safety Standards [...]
