Welcome to RCA Australia. Established in 1994 and based in Newcastle NSW, we provide specialist consultancy services in environmental, geotechnical and groundwater engineering, materials testing, earthworks quality control and environmental monitoring. RCA is an employee owned organisation comprising 60 full-time staff including engineers, scientists, geologists and technicians. Our experienced professionals provide a range of skills to meet your project needs. Through the diversity of services within the RCA business groups we are able to provide integrated solutions that minimise costs whilst producing a high quality solution that meets your needs.