Coffey, A Tetra Tech Company

About us

Tetra Tech Coffey's experts are at the forefront of their specialisation in engineering, geotechnical, occupational hygiene, environmental, and project management services. We deliver technical excellence to manage complex risks and create innovative and exciting opportunities in collaboration with our clients – providing value throughout the whole asset lifecycle.

Our expert team in Papua New Guinea (PNG) includes transport and roads specialist, geotechnical engineers, and environmental specialists.
For more than 40 years, we’ve provided high quality services in PNG, helping clients deliver mining, oil and gas, and road infrastructure projects across the country.