Hille, Thompson & Delfos is a Professional Partnership of Surveyors, employing qualified staff that have experience in all major facets of Surveying and Town Planning.

The Company is 3rd Party Quality Accredited to AS/ISO 9001.

Peter Hille and Gerry Thompson (both retired) commenced this practice in Geraldton in 1956 and 1965 respectively covering the Midwest, Murchison and South Pilbara. Geoff Innes was with the firm from 1995 and a partner from 1998 to 2012.
Edrick Delfos (Licensed Surveyor) was employed by the Firm in 1980 and became a Partner in 1987.
Wayne Watters (Engineering Surveyor) was employed by the Firm in 1996 and became a Partner in July 2007.  
Brad Collard (Licensed Surveyor) was employed by the Firm in 1999 and has become a Partner in July 2012.  

The Practice has continued to expand over the past years and includes Graduates, Engineering and Mine Surveyors and a Town Planner. Including support staff we currently have 15 employees and 2 contract Surveyors.

The practice is well established in Geraldton, occupying modern premises. While based in Geraldton the Practice's area of operation embraces towns from Port Hedland to Newman, Meekatharra, Wiluna, Laverton, Dalwallinu, Coorow, Eneabba and Greenhead. We are prepared to travel Anywhere at client request.

Hille, Thompson and Delfos is a well known and respected Practice not only in the Surveying Profession but by Government, Local Authority and kindred Professions including Architects, Engineers, Geologists, Town Planners, Valuers, Solicitors, Accountants, Banks, Builders and Real Estate Firms. The members of the practice (Partners and Staff) have kept abreast of advances in the Profession of Surveying by regularly attending Seminars and Workshops.

Hille, Thompson and Delfos have permanent survey teams, all with modern computerised surveying equipment. We have specialist GPS equipment yielding varying accuracies depending on client need, and various optical intruments for Precise Engineering tasks. Our office equipment is complemented by computers with software to enable plan preparation of Topographical & Features, As-Builts, Volume Calculations, Subdivisional Planning and Precal Plans and Road Design Packages.

For the many projects that Hille, Thompson and Delfos have been involved in we have maintained good liaisons with Project Managers and a high level of integrity as well as assisting in maintenance of project schedules.

Our Company plan ensures that we maintain our enthusiasm to become involved in varied projects in an ethical, energetic and scientific manner.