• SYDNEY
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Drilling Contractors

Diamond Drilling | Water Well Drilling | Sonic Drilling

Terratest are the best Drilling Contractors Downunder, providing Drilling Services to the East Coast of Australia with offices in most major cities including Sydney, Newcastle, Brisbane and Melbourne. With extensive experience gained with over 50 years of operation we have established ourselves as one of Australia’s largest Geotechnical Drilling Contractors and Specialists in Environmental Drilling as well as Experts in Exploration Drilling including Mud Drilling, Diamond Drilling, Water Well Drilling and Sonic Drilling.

Drilling Services

Being Licensed and highly experiences operators we have worked in the most remote and inaccessible areas but are also able to provide drilling services in the centres of any city. Terratest delivers safe and professional drilling services to all our clients. Terratest Group is a leading provider offering:

  • Geotechnical Drilling - Terratest’s Geotechnical Division offers a broad fleet of Rigs and crews to undertake any type of Geotechnical Site Investigation through the East Coast of Australia.
  • Environmental Drilling - Terratest is a top provider of Environmental Drilling for almost any type of site or condition from difficult access and restricted headroom, to overwater projects.
  • Mineral Exploration Drilling - Terratest offer innovative, and cost-effective programmes for all commodities throughout the Australian Mining Industry
  • Construction Drilling
  • Non-Destructive Drilling - Terratest invested in Non-Destructive Digging Units in 2009 to aid clients and drill crews in safely preparing boreholes

Welcome to Drilling Contractors website


  • Terratest Group is a leading provider in Geotechnical Drilling, Environmental Drilling, Resource, Construction and Sonic drilling services.

    Our operations include offices in Sydney, Brisbane, Newcastle and Melbourne.

    We began our journey 50 years ago as the first Specialist Geotechnical Drilling firm in NSW. Over the last fifty years we have evolved into a truly multi-disciplinary drilling group offering outstanding drilling services, servicing the East Coast of Australia.

    We combine innovative drilling technology with strong industry knowledge and regional understanding.