Greywacke Geotechnics is a young and dynamic company, established to provide ground engineering services to public services, private companies and individuals. We use state-of-practice techniques and test procedures to investigate, analyze, and develop geotechnical engineering recommendations and designs for simple to complex problems relating to groundwater, soil, or rock. Greywacke Geotechnics is an Australian owned company based in Sydney providing professional geotechnical engineering services throughout Sydney and NSW. We pride ourselves in providing the most cost effective and professional ground engineering services to exceed client's expectations. From test pits, rock coring and onsite testing to more sophisticated and detailed investigations, our company offers an integrated ground investigation service providing quality data to the construction industry. Whether you are building a new development or improving an existing property give us a call for professional geotechnical advice. Phone: 02 7900 2489 Email: admin@greywacke.com.au