Who we are

With more than 20 years experience in the field of near surface geophysics SGS offers complete solutions and support to your needs.

From recommendations on the best instrument to meet your needs, to design your survey design and even data processing / interpretation you can rely on the professionalism and expertise of SGS.

We work with our clients to develop the best solutions, and we stand by them along the way.

Resistivity, induced polarization and spectral induced polarization services provided

  • Survey design and feasibility – including pre-modeling and uncertainty assessment

  • Data processing and analysis

  • Modeling and inversion of complex datasets

  • Training and tutorials on theory, data acquisition, modeling and interpretation

  • Software training/tutorials

Equipment sales and rentals

Geophysical consulting services

Our expertise spans from utility detection and mapping—including locating buried infrastructure and assessing subsurface conditions—to detailed geological and geotechnical characterization using a broad range of geophysical techniques. We tailor each survey to the specific needs of your project, employing methods such as electrical resistivity, induced polarization, ground-penetrating radar, seismic refraction, and electromagnetic surveys to deliver accurate, actionable results.

  • We provide high-quality equipment rentals and sales to support your geophysical projects.

  • As the official U.S. representative for IRIS Instruments—a global leader in geophysical technology—we offer a wide range of systems, accessories, and software to meet your survey needs.

  • Featured equipment & accessories:

    • Syscal Elec Terra 96

    • Iris Full-Wave

    • Ontash & Ermac PSIP

    • Cables

    • Electrodes

    • Data Management software

Contact us

Interested in working together? Fill out some info and we will be in touch shortly. We can’t wait to hear from you!