Sawley Lock O’Callaghan is a trusted consulting firm based in Adelaide’s northern suburb of Prospect, providing top-notch surveying and associated services across the state of South Australia. Our team of experienced surveyors and office professionals aim to deliver high-quality professional services to our clients.
Our firm has a proud history, with roots tracing back to 1959 and 1962 when B.T. O’Callaghan and Associates and Sawley Lock and Associates were formed, respectively. In 2003, the two firms merged to become Sawley Lock O’Callaghan, earning accolades such as the Urban Development Institute of Australia prize for residential design in 1995.
We take pride in delivering personal service and building long-lasting relationships with our clients, which include homeowners, farmers, land developers, real estate professionals, and government agencies. Our services cover land divisions (Torrens and Community Title), boundary surveys, site surveys, construction set-out surveys, lease plans, easement plans, and applications under the Roads (Opening and Closing) Act.