Geotechnical Engineers Ralph Tonkin and Don Taylor met in 1956 when working on the construction of the iconic Auckland Harbour Bridge. Ralph and Don saw a niche in New Zealand’s civil engineering testing industry and, in 1959, Tonkin + Taylor, Consulting Engineers was formally established.
From working on projects such as the Whau Valley Dam, Waterview Tunnel, the Canterbury Earthquake Recovery Project, and more, we have a rich history of achieving outcomes that benefit the communities we serve.
Today, as a specialist, independent consultancy, we bring together a depth of knowledge and multi-disciplinary expertise to tackle complex challenges with nimble, responsive problem-solving.