Geotechnique Pty Ltd is a Sydney-based geotechnical and environmental engineering consultancy established in 1989. For more than 35 years, we have supported land development, building and infrastructure projects across Greater Sydney and New South Wales. Our focus is on delivering practical, high-quality solutions that meet client needs in a timely and cost-effective manner.
We are proud of our reputation for combining technical expertise with a client-first approach. Our team is known for clear communication, reliable advice and engineering outcomes that stand the test of time.
Geotechnique is based at “Craithes,” a heritage-listed building originally constructed in the 1870s by NSW politician Joseph Single. The building has grown with us and is part of our company identity, symbolised in our logo.
We aim to be the trusted partner of choice for developers, councils and contractors across New South Wales, delivering work that consistently exceeds expectations in quality, safety and value.
The company mission is to provide clients with innovative, practical, time and cost-effective solutions through the specialised technical capabilities of our geotechnical and environmental professionals.
Get in touch with our team to discuss your next geotechnical or environmental project. We’ll help you find the right solutions—reliable, efficient, and tailored to your site conditions.
For over 35 years, our work has been guided by values that define who we are, engineers committed to quality, integrity, and lasting impact.
Every project we take on reflects our dedication to safety, collaboration, and solutions that stand the test of time.
We integrate sustainability into every stage of our work — reducing environmental impact, promoting safe development, and creating lasting value for communities across NSW.
Designing and managing projects that protect ecosystems and natural resources.
Minimising waste and promoting reuse in materials and site practices.
Delivering safe, compliant, and future-ready engineering solutions.
Geotechnique provided geotechnical investigations, subsurface drilling, and pavement design for the Sydney West Link upgrade. The project involved complex soil conditions and required slope stability and foundation analysis to ensure long-term structural integrity under high-traffic conditions.