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
Stephenson Avenue Extension Perth’s Mitchell Freeway
A $165 million Main Roads WA development to improve traffic flow, provide better connectivity, enhance safety and increase public transport capacity.
Precast concrete mast for footbridge in Perth
The Mount Street Footbridge mast manufactured by Geoquest in Perth is a towering statement to the dynamic capabilities of precast solutions.
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
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.
Resilience through Turn-Key Solutions
How turn-key engineering solutions are reducing risk in a changing climate - resilience through considered geotechnical design and engineering.
