The practice, first called C.H. Wilson, then C.H. Wilson and Partners, now George Bourne and Associates (GBA), has been delivering engineering and other services that have made Western Queensland a better place in which to live. The firm provides engineering and allied services to shire and regional councils and other clients within central & western Queensland. Over thirty people are employed, while specialists are retained on a short-term basis according to need. It uses three aircraft to service a client base of local authorities as well as the Department of Transport & Main Roads and many private clients. The firm provides a multidisciplinary service including Engineering, Survey, Building Certification, Cultural Heritage & Environmental, Design and Project Management. The total area regularly serviced by the firm becomes a region of 512,316 square kilometres (approximately twice the size of the state of Victoria), with an estimated total population of 50,000.