Crozier Geotechnical Consultants

Crozier Geotechnical Consultants is a trusted name in engineering geology and geotechnical consultancy, serving Sydney and wider NSW since 2001. We specialise in site investigations, slope stability assessments, and geotechnical reporting for both residential and commercial projects. Each year, we complete investigations for over 250 sites, delivering precise advice and practical solutions that support safe, compliant, and sustainable construction. Our team of highly qualified Engineering Geologists and Geotechnical Engineers bring decades of combined expertise, ensuring our clients receive reliable insights and tailored recommendations. We pride ourselves on offering a personalised service, with one dedicated consultant guiding each project from start to finish. With strong relationships across councils, builders, architects, and developers, we understand local requirements and deliver reports that meet regulatory standards. Our passion lies in helping clients reduce risk, build with confidence, and achieve lasting results in every project.

• Geotechnical site investigations (residential & commercial, AS2870 compliant)
• Slope stability and landslide risk assessments
• Development Application and Construction Certificate reporting
• Dilapidation surveys for neighbouring properties
• Investigations on steep or low-access sites (mini drill rigs, hand tools)
• Detailed investigations with drill rigs and Cone Penetration Testing (CPT)
• Construction supervision, excavation inspections, and rock stability assessments
• Rock support design (bolts, shotcrete)
• Vibration monitoring for rock excavation
• Hydrogeological and groundwater assessments
• Acid Sulfate Soil investigations and management plans
• Solar/photovoltaic site investigations and pile load testing
• Geological and geotechnical mapping