Engineering

Excellence, Built

Below the Surface

Where Precision Meets Innovation to Redefine Possibilities

01 / Project Highlight

Darlington New Nuclear Project

This site features construction of the world’s first grid scale small modular reactor (SMR).

02 / Project Highlight

Parliament  Centre Block

This is the largest, most complex project to rehabilitate a heritage building ever in Canada.

03 / Project Highlight

Fairbank Silverthorn Tunnel

A 3 km long storm trunk sewer from Fairbank Memorial Park to Black Creek.

Extraordinary Teams Building Inspiring Projects

At Subsurface Geotech, we provide industry-leading geotechnical engineering and subsurface investigation services that drive the foundation of safe, sustainable, and efficient infrastructure. With a commitment to precision, innovation, and quality, we help clients navigate complex ground conditions with confidence.

Projects completed  By our team

Instrumentation sensors  Installed & monitored on sites.

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Data points  Recorded and processed

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SERVICES

Precision. Innovation. Grounded Expertise.

Explore SubSurface Geotech Services

We specialize in geotechnical and environmental engineering, offering design, inspection, instrumentation, and testing services across Canada.

Geotechnical  Services

Instrumentation & Monitoring

Environmental Services

Pile & Caisson  Testing

Quality Verification Engineering

The Subsurface Advantage

Cutting-Edge
Technology and Advanced
Instrumentation

The only firm in Canada equipped with specialized testing tools, delivering unmatched precision in data collection, analysis, and project performance.

CERTIFIED

Certified.  
Accredited. Trusted.

Industry Affliations

Our expertise is backed by affiliations with Professional Engineers Ontario (PEO), Tunnelling Association of Canada (TAC), Deep Foundations Institute (DFI), Canadian Geotechnical Society (CGS), and Ontario Road Builders’ Association (ORBA)—ensuring we stay at the forefront of industry standards and best practices.

CSA N299 - Nuclear Quality Certified

As a CSA N299 Nuclear Quality Certified firm, we uphold the highest standards of engineering excellence and safety compliance. From infrastructure and energy to transportation and development, we deliver results that stand the test of time—because every project’s integrity starts from the ground up.

PROJECTS

Performance Proven Through Our Projects

Fairbank
Silverthorn Tunnel

Subsurface Geotech provided the instrumentation and monitoring of the shafts, soils, and structures along the tunnel alignment.

Parliament
Centre Block

Subsurface Geotech is providing testing and quality control services on the new foundation piles, in addition to instrumentation installation and on-going support with the building monitoring program.

Darlington New Nuclear Project

Subsurface Geotech is providing quality verification engineering (QVE) for the secant pile shafts as well as the structural caissons for the support buildings.