Compaction & Soil Testing Services Pty Ltd

Compaction & Soil Testing Services (CSTS) Pty Ltd is a trusted Australian-owned company based in NSW, specialising in geotechnical engineering, environmental science, and laboratory testing. With a skilled multidisciplinary team, we provide expert insight and dependable solutions for residential, commercial, and infrastructure projects. From soil testing and pavement design to contaminated land assessments and laboratory analysis, CSTS ensures compliance, safety, and efficiency across all services. Our Glendenning-based laboratory enables fast and reliable testing for Sydney and statewide projects. With over two decades of experience, CSTS remains committed to delivering high-quality, cost-effective results tailored to each client’s needs.

• Geotechnical Engineering: Site investigations, geotechnical assessments, inspections, lot classifications, stability reports
• Environmental Assessment: Contaminated land, groundwater, salinity, acid sulfate soil, and surface water testing
• Soil Disposal Classification: Excavated natural material, general solid waste, hazardous waste, restricted/special waste, VENM
• Testing & Consultancy: Soil and aggregate testing, compaction control, pavement design (CBR), stockpile analysis