Geotechnical Drilling

Topdrill brings deep expertise in complex geotechnical drilling, approaching every project with a strong focus on performance, safety, and technical precision, ensuring every client benefits from our experience.

What sets us apart?

  • Industry-leading fleet and support equipment for seamless project execution.
  • Custom-built digital innovations to provide real-time insights and analytics.
  • A highly skilled and experienced team delivering expertise on every project.

What is Geotechnical Drilling?

Geotechnical drilling involves drilling to collect soil, rock, and groundwater samples for analysis. These samples are essential for understanding subsurface conditions and are used to assess the stability, composition, and characteristics of the land for construction, mining, and infrastructure projects.

Why Choose Topdrill?

When it comes to planning infrastructure or mining projects, understanding ground conditions is critical. At Topdrill, we provide precise and adaptable geotechnical drilling solutions that give you the data you need to move forward with confidence. Whether you’re assessing soil stability, foundation integrity, or subsurface conditions, we’ve got your back with expert support and cutting-edge equipment.
Tailored Solutions
Every project comes with unique geotechnical challenges. That’s why we work closely with you to determine the right drilling techniques, sampling methods, and equipment to suit your specific ground conditions.
Reliable Data

We understand that project timelines affect budget. Our purpose built solutions deliver accurate geotechnical data efficiently, allowing clients to make informed decisions without costly delays.

A Focus on Safety
Geotechnical drilling often takes place in sensitive environments. Our team operates with strict safety and environmentally responsible practices, ensuring minimal impact while maintaining accuracy and efficiency.
Let’s break ground together, partner with Topdrill today.
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GEOTECHNICAL DRILLING SERVICES

With Topdrill’s geotechnical expertise, you can mitigate risks and move forward with confidence.

Our commitment to innovation means we invest in world-class equipment designed to deliver precise, efficient, and safe drilling in any ground conditions. Backed by a highly skilled team, we ensure the highest standards in sample collection, providing you with accurate, reliable results every time.

Frequently asked questions

Yes! At Topdrill, we use specialised rigs to access difficult or remote locations, ensuring accurate investigations regardless of site conditions.
Yes. Topdrill carries out geotechnical drilling and associated services such as Standard Packer Testing (SPT), monitoring bores, and piezo installations.
  • Soil samples (undisturbed or disturbed for lab analysis)
  • Rock core samples (to determine strength and composition)
  • Groundwater samples (for contamination and flow analysis)
Topdrill maintains a hands-off steel focus. As the first to adopt hands-free innovation on diamond drilling rigs in Australia in 2014, Topdrill has ensured that every rig has full hands-free rod handling with break-out capability.
Topdrill is a true RC and Diamond exploration drilling specialist with over 20 years experience. We’re proud to be an end-to-end exploration service provider from pad/site preparation, through to core processing and site rehab. We can also offer short or long-term camp solutions, along with camp catering, cleaning, rubbish, and site logistics. It’s our ability to rapidly respond to any issues that arise, combined with 24/7 expert in-field backup and our ability to be on-site in hours, not days with our aviation solution that sets us apart.
Topdrill are specialists in diamond drilling, reverse circulation drilling, grade control drilling, geotechnical drilling, bores and well drilling.

When you partner with Topdrill, you get more than just a drilling contractor – you gain a trusted partner. Transparent, professional communication is at the core of how we operate, ensuring you’re always informed and in control. Our focus is on delivering the best outcomes for your project, with long-term success front of mind.


We combine exceptional leadership, expert backup service, an industry-leading fleet, and real-time monitoring and data analytics to drive smarter, more efficient exploration – making a genuine difference to your project and budget.

Topdrill is part of Togproup, an end-to-end service provider that encompasses Topdrill, JB Contracting, Tophire, and Topcamps to provide a service capability that includes:

  • Pad and site prep
  • Full camp solutions
  • Roading and Civils
  • Water carting and site logistic requirements
  • Rehabilitation of your site including rubbish removal
  • Aviation support solutions
  • Core processing services and facilities
Yes. At Topdrill, we invest in our people, building skilled professionals from the ground up. Our structured career development pathway takes team members from Utility through to Senior Driller over 5–8 years, providing hands-on experience, industry-leading training, and ongoing mentorship. With a strong focus on safety and innovation, we equip our crews with the skills and knowledge to stay ahead in exploration drilling, ensuring a rewarding and future-ready career.

Responsive and Reliable - Minimising Downtime, Maximising Results

Offering a full range of in-house services, Topdrill ensures seamless project execution and complete quality control. By tailoring solutions to your needs, Topdrill is able to consistently deliver efficient, client-focused drilling services throughout Australia.

Contact Us

Frequently Asked questions

Yes! At Topdrill, we use specialised rigs to access difficult or remote locations, ensuring accurate investigations regardless of site conditions.

Yes. Topdrill carries out geotechnical drilling and associated services such as Standard Packer Testing (SPT), monitoring bores, and piezo installations.

  • Soil samples (undisturbed or disturbed for lab analysis)
  • Rock core samples (to determine strength and composition)
  • Groundwater samples (for contamination and flow analysis)
Topdrill maintains a hands-off steel focus. As the first to adopt hands-free innovation on diamond drilling rigs in Australia in 2014, Topdrill has ensured that every rig has full hands-free rod handling with break-out capability.
Topdrill is a true RC and Diamond exploration drilling specialist with over 20 years experience. We’re proud to be an end-to-end exploration service provider from pad/site preparation, through to core processing and site rehab. We can also offer short or long-term camp solutions, along with camp catering, cleaning, rubbish, and site logistics. It’s our ability to rapidly respond to any issues that arise, combined with 24/7 expert in-field backup and our ability to be on-site in hours, not days with our aviation solution that sets us apart.
Topdrill are specialists in diamond drilling, reverse circulation drilling, grade control drilling, geotechnical drilling, bores and well drilling.

When you partner with Topdrill, you get more than just a drilling contractor – you gain a trusted partner. Transparent, professional communication is at the core of how we operate, ensuring you’re always informed and in control. Our focus is on delivering the best outcomes for your project, with long-term success front of mind.


We combine exceptional leadership, expert backup service, an industry-leading fleet, and real-time monitoring and data analytics to drive smarter, more efficient exploration – making a genuine difference to your project and budget.

Topdrill is part of Togproup, an end-to-end service provider that encompasses Topdrill, JB Contracting, Tophire, and Topcamps to provide a service capability that includes:

  • Pad and site prep
  • Full camp solutions
  • Roading and Civils
  • Water carting and site logistic requirements
  • Rehabilitation of your site including rubbish removal
  • Aviation support solutions
  • Core processing services and facilities
Yes. At Topdrill, we invest in our people, building skilled professionals from the ground up. Our structured career development pathway takes team members from Utility through to Senior Driller over 5–8 years, providing hands-on experience, industry-leading training, and ongoing mentorship. With a strong focus on safety and innovation, we equip our crews with the skills and knowledge to stay ahead in exploration drilling, ensuring a rewarding and future-ready career.
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