Welcome to Soil & Rock

Geotechnical and Environmental Consultants

We are consulting engineers specialising in the field of geotechnical & environmental engineering and designs involving soil/structure interaction. We have been in business since 1987 representing many years of geotechnical engineering expertise across New Zealand, delivering a range of services nationwide from large commercial projects through to subdivisional developments to boutique assessments and designs. 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, design and reporting on your project. Our thinking is solution-based.

We are certified with a PAS99 Integrated Management System; a strategic framework for ISO 9001, ISO 14001, AS/NZS4801:2001 and BS OHSAS 18001 which is the ultimate global benchmark for quality management, environmental management and health & safety.  ISO provides our organization with continuous measured improvements and the strategic framework better equips us to ensure our deliverables are of the upmost quality to our clients.


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

Thank you for the work that you have done in reviewing the Geotech analysis of our land at Halswell Downs.  Your actions in wanting to test, understand and prove the information provided show exceptional professionalism and also a desire to provide a service that is above average and in the best (more…)

Testimonial 2