Australian Soil Investigations is a trusted name in geotechnical and effluent soil testing across South-East Queensland, with over 27 years of industry experience. We specialise in on-site soil investigations for residential, commercial and industrial developments, delivering accurate and efficient results using modern equipment and expert methodologies. From Sunshine Coast to Hervey Bay, our team supports builders, developers and homeowners with site classification reports, geotechnical drilling, and septic system design. With two drill rigs and a commitment to professionalism, we offer a responsive, mobile service that makes site preparation straightforward and stress-free. Whether you're planning to build or upgrade, we’re here to ensure your foundation is sound.