Hille Thompson & Delfos strive to achieve the highest grade of service through professional commitment to ethical practices in an energetic and scientific manner, and is committed to providing services which constantly meet our client's needs and expectations.


Based in Geraldton - Western Australia - we work Statewide and further if requested.

Please browse our site (updated 5th Oct, 2018) and see what we have to offer, and if we can help you, don't hesitate to contact us.

Contact Details
(08) 99213111  
24 Durlacher St, Geraldton  
 P.O. Box 820
Email htdsurveys@htds.com.au  
  .........We are Quality Registered to ISO9001:2015

We use Best Practice Certification as our Quality Certifier and Auditor

Latest News:


HTD are currently using a Trimble TX8 Laser Scanner, SX10 with laser capability, and recently a Tiny Surveyor for use in spotting for road line markings on Main and Shire Roads with great success.

HTD Surveyors are CASA registered Operator's for our range of UAVs (or drones surveys) for undertaking small aerial photography projects for changed environment monitoring, volumes of large outside material stockpiles and earthworks as well as project interest photos.

Currently our Town Planning requirements are being handled by director and Licensed Surveyor Brad Collard

Hille Thompson & Delfos have purchased a Trimble TX5 3D Laser Scanner for precise modeling of existing structural infrastructure. We also use it for stockpile modelling where safe access onto a pile is not possible.

During 2018 we will maintain our permanent presence in Exmouth.

We will regularly be in the Carnarvon and South Pilbara Region during 2018 - we can fulfill all your Survey & Planning requirements.


Hille Thompson & Delfos have maintained our Category 3 Contractor Status with Rio Tinto by fullfilling their level of Safety Standards within our Practice Management.




2018 marks our 62nd year of successful operation of this business.

From time to time there are VACANCIES for Licensed, Engineering and Mining Surveyors, Town Planners and Graduates within our Practice.
  We service towns including Northampton, Gregory, Horrocks, Kalbarri, Denham, Carnarvon, Coral Bay, Exmouth, Newman, Meekatharra, Wiluna, Cue, Mount Magnet,Paynes Find, Wubin, Dalwallinu, Moora, Badgingarra, Jurien Bay, Leeman, Port Denison, Dongara, Mingenew, Mullewa, Yalgoo, Morawa, Three Springs, Carnamah, Perenjori, Yuna, Nabawa