Welcome to Soil & Rock

Geotechnical and Environmental Consultants

We are consulting engineers who are specialists in the field of geotechnical, environmental engineering and retaining wall design. We have been in business since 1987 bringing 27 years of geotechnical engineering expertise to New Zealand. We have been successfully delivering a range of services nationwide from large commercial projects to residential properties and we are committed to providing a quality service, on time and on budget. With highly qualified and experienced staff we can offer the complete solution with scope, investigation, analysis and reporting on your project.

Geotechnical Services are:

  • Geotechnical Investigations
  • Slope Stability Assessments
  • Retaining Wall Design
  • Ground Improvement Design
  • Foundation Design
  • Earthworks Monitoring
  • Construction Inspections
  • Construction Certification


I have used Soil and Rock Consultants for over eight years as a specialist geotechnical sub consultant.  A large variety of projects have been completed including the difficult and steep Don Buck Road development which included shear keys, groundwater drainage and complex slope stability analysis.  (more…)

Testimonial 1

Our dedicated Christchurch team of 13 staff have been on the ground for over three years assisting with the Christchurch Rebuild and are well-respected in the market.  We offer the complete service from initial investigation phase through to construction inspections for residential properties through to large commercial or infrastructure works.   (more…)

Christchurch Rebuild