Welcome to JDK Geotech

Trusted Leaders Within The Civil Construction, Mining & Tunnelling Industry

Who are we

JDK Geotech Pty Ltd (JDK) provides engineering solutions for large-scale projects. Our success is built on mutual trust, consistent delivery standards and professional responsibility across all levels of our organisation. 

As a leading project management, civil, environmental and geotechnical engineering firm, we deliver innovative solutions for Australia and internationally.


Our team encompasses decades of combined technical experience with  project experience in Australasia, North America, Canada, Papua New Guinea and South Africa.

We pride ourselves on providing efficient, accurate advice and have built an exceptional reputation by delivering major scale works to clients’ consistently on time and within budget. 



JDK was engaged in the Critical Areas Audit of our CapCoal Operations for the past 36 months. Excellent service and high standards for the provision of the geotechnical scope of works. Repeated consultant over many of our projects as a result of on-time deliverables and high standards.

Johan Van Der Schyff - Geotechnical Engineer - Anglo American CapCoal Operations

The JDK team were engaged in the provision of geotechnical services for the NorthConnex project and as a result of their excellent service, they were re-engaged for the geotechnical services on our Sydney Metro Central Adit project. Excellent service, on-time deliverables exceeding the standard going above and beyond.

Todd Shillito - M&E Superintendent Tunnelling Solutions

Excellent service for the provision of project engineering and geotechnical services. Repeated consultant as a result of technical expertise and high standards.

John Boullier - Senior Project Engineer - Sydney Metro Central Station Main Works

Affiliations and Accreditations