At Tonkin + Taylor, we’re dedicated to creating and sustaining a better world together.

Driven by collaboration, innovation, and care, we focus on sustainability to shape resilient futures for communities, clients, and the planet.

For more than 60 years, we’ve delivered innovative environmental and engineering solutions that empower communities, protect the environment, and drive sustainable growth.

As a 100% employee-owned consultancy, our team of engineers, scientists, planners, and project managers work across Aotearoa New Zealand, Australia, the Pacific, and with global partners, solving challenges in geotechnical, civil, and water engineering, environmental science, and resource management. From future-ready infrastructure to transforming quarries into thriving landscapes, we help clients make lasting, meaningful changes.

Through global partnerships like the Inogen Alliance, we combine local expertise with international reach, delivering tailored solutions for every project.