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About Us

  • About us

Drilling Contractors Serving in Toronto and the greater GTA.

For over 20 years, Terra Firma Environmental Services Ltd. has provided reliable drilling and subsoil exploration services to clients across a wide range of environments. What began with just three drill rigs has grown into a fleet of more than 15 track, truck, and mobile drill rigs, allowing us to tackle projects of varying sizes and complexities.

From confined urban sites to remote wilderness locations, our experienced team has the expertise, adaptability, and problem-solving skills needed to meet challenging subsoil drilling requirements. We take a practical, solutions-focused approach to every project, delivering efficient and dependable results regardless of the conditions.

Contact Terra Firma Environmental Services Ltd. today for experienced and reliable drilling contractors serving Toronto and the surrounding areas.

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  • Safety first

Safety-conscious and Fully Insured

Safety Comes First

At Terra Firma Environmental Services Ltd., safety is at the heart of every project. Our fully qualified and certified well technicians (from the Ministry of the Environment, Conservation and Parks) are comprehensively insured and follow all applicable Ontario regulations and industry safety standards.

Our drilling crews hold current WHMIS, Working at Heights, OPS Clearance, and POST certifications, as well as ERailSafe and GO Transit protocol training. With the right qualifications, experience, and safety practices, our team is equipped to deliver reliable drilling services safely and efficiently across Toronto and Southern Ontario.
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Servicing the GTA and Southern Ontario

Terra Firma Environmental Services Ltd. proudly provides professional drilling and subsoil exploration services throughout the Greater Toronto Area (GTA) and Southern Ontario
  • Trusted professionals

The Importance of Hiring Professional Drilling Contractors in Toronto

Drilling is a critical component of many construction, environmental, and renovation projects. Choosing experienced professional drilling contractors in Toronto, such as Terra Firma Environmental Services Ltd., helps ensure the work is completed safely, accurately, and efficiently. With the right equipment, technical expertise, and industry experience, professional drilling contractors can provide reliable solutions tailored to the specific requirements of each project.

Working with an experienced drilling team can also help save valuable time and reduce project costs. Professional contractors have the equipment and knowledge needed to complete drilling work efficiently while minimizing disruptions to your schedule. Their experience allows them to identify potential challenges early, adapt to changing site conditions, and reduce the risk of costly errors, delays, or rework.

Drilling projects can also involve complex regulatory and safety requirements. Professional contractors understand the applicable Ontario regulations, permitting requirements, and industry standards, helping ensure that work is carried out in compliance with the necessary guidelines. This can help prevent unnecessary delays and keep your project moving forward.

Ultimately, hiring a qualified drilling contractor is an important investment in the success of your project. From experienced crews and specialized equipment to a strong focus on safety and compliance, Terra Firma Environmental Services Ltd. provides dependable drilling services throughout Toronto and Southern Ontario, helping clients complete their projects safely, efficiently, and to a high standard.

  • FAQs

Drilling Services – Frequently Asked Questions

Here are some frequently asked questions about drilling contractors in Toronto.
What types of drilling services does Terra Firma Environmental Services provide?
Terra Firma Environmental Services provides a range of drilling services for geotechnical, environmental, hydrogeological, and geothermal projects. Our capabilities include geotechnical and environmental drilling, monitoring well installation, instrumentation installation, borehole drilling, concrete and asphalt coring, and other specialized drilling services.
Our drilling capabilities depend on the equipment, ground conditions, and requirements of the project. Terra Firma has equipment capable of drilling to significant depths, including geothermal boreholes extending hundreds of feet below grade. We assess the site conditions and project requirements to determine the appropriate drilling method and equipment.

We operate a range of drilling equipment suited to different site conditions and project requirements. Our fleet includes rigs capable of air and mud drilling, casing advancement, environmental drilling, geotechnical investigations, and geothermal drilling.

Yes. Terra Firma has extensive experience drilling through challenging subsurface conditions, including glacial till, clay, shale, limestone, and other difficult formations. We select drilling methods and equipment based on the site’s geology, access conditions, required depth, and project objectives.

Yes. We install environmental and groundwater monitoring wells as part of environmental and hydrogeological investigations. Our services can include drilling, well installation, development, sampling support, and monitoring well decommissioning.

Yes. Drilling is often an important part of Phase II Environmental Site Assessments and other environmental investigations. We can drill boreholes to investigate soil and groundwater conditions and facilitate the collection of soil and groundwater samples for laboratory analysis.
Yes. Site access is an important consideration when selecting drilling equipment. We have experience working at commercial, industrial, municipal, residential, and other sites where space, overhead clearance, existing structures, or other site constraints can affect drilling operations.
Yes. Terra Firma provides geothermal drilling for commercial, institutional, municipal, and other larger-scale geothermal projects. Our capabilities include deep borehole drilling, casing advancement, geothermal conductivity testing support, and drilling through challenging overburden and bedrock conditions. We have been successfully involved in some of the largest geothermal projects completed in Canada.
The duration depends on the number and depth of boreholes, subsurface conditions, drilling method, site access, and project requirements. Once we understand the scope of work, we can provide an estimated schedule and coordinate our drilling activities with the project team.
To prepare a quotation, we typically need the project location, number and approximate depth of boreholes, type of investigation, required drilling method if known, site access information, and any available drawings or geotechnical/environmental reports. If you’re unsure about the drilling requirements, our team can work with you to determine an appropriate approach.