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

2025-02-20T01:09:57+00:00
Aerial view of new construction works completed for the South Geelong to Waurn Ponds Duplication Rail Project

Victoria’s Big Build – Rail Transformation

The South Geelong to Waurn Ponds Duplication Rail Project; supplying 13,700m² of TerraPlus® mechanically stablised earth retaining walls as we play our part in Victoria’s Big Build.

2025-05-22T03:27:18+00:00
Ellenbrook wildlife bridge is a 12-meter-wide bridge north of Ellenbrook in Western Australia, designed to connect bushland known to house abundant wildlife. Utlising Geoquest Australia’s Reinforced Earth walls and precast concrete elements for both bridge abutments and retaining walls

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.

2025-02-12T07:58:47+00:00
Geoquest Australia noise wall barriers with architectural finish at Claisebrook Rail Depot in East Perth, Western Australia

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.

APPLICATIONS

Discover

SOLUTIONS

Discover

PROJECTS

Discover

Latest News & Media

  • Picture of red earth development: Pilbara Ports is progressing the development of a new multi-user facility and logistics hub at Lumsden Point in the Port of Port Hedland. The Lumsden Point development will facilitate the export of battery metals such as lithium and copper concentrates, the import of renewable energy infrastructure including wind turbines and blades, as well as support the growth of direct shipping services to the Pilbara.

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 at sunset with Sydney Harbour Bridge behind it

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 aerial view of site

Cairns Water Security Project

Cairns Water Security Project: design and supply of 875 m² Reinforced Earth™ TerraPlus® retaining walls —equivalent to three tennis courts.

  • EcoStrap HA, sustainable reinforcements for MSE walls, by Geoquest Australia being installed at Diggers Rest Level Crossing Removal project in Victoria.

Resilience through Turn-Key Solutions

How turn-key engineering solutions are reducing risk in a changing climate - resilience through considered geotechnical design and engineering.

READ MORE NEWS