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
TerraStack® Modular Retaining Wall System
Modular precast concrete retaining wall system, TerraStack®, launched by Geoquest for manual handling and ease of installation.
Introducing Geoquest Design
Smarter Preliminary Design for Infrastructure Projects Geoquest Design, a new digital platform that represents the next evolution in precast [...]
Geoquest Photo Competition
Now open! 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.
Project Spotlight
Inland Rail – Victoria
Inland Rail – highlights from the Victorian section of one of Australia’s most significant infrastructure projects. Geoquest contributed MSE walls, precast facing panels, bridge deck slabs and truss slabs.
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.
Adelaide’s Ovingham Level Crossing Removal
The Ovingham Level Crossing Removal Project; the first infrastructure project in Australia to use Geoquest's TechWall™ system.







