Tonkin + Taylor

Last updated
Tonkin + Taylor Limited
Type Private
Industryenvironmental and engineering consultancy
FounderRalph Tonkin
Area served
New Zealand and Asia
Key people
Doug Johnson (managing director)
Lester Levy (chairman) [1]

Tonkin & Taylor Limited is employee-owned environmental and engineering consultancy company. It is based in Auckland, [2] New Zealand with offices in Australia, Malaysia and the wider Asia Pacific region. [3] Services cover civil, environmental, geotechnical and water resources engineering.



In 1959, Ralph Tonkin established a laboratory testing and engineering consulting company Geotechnics Ltd, with technical input from Professor Peter Taylor of University of Auckland. In 1961, Ralph Tonkin and Don Taylor formed a partnership named Tonkin & Taylor. [3] The partnership was active in many engineering projects in New Zealand and Asia, and founded an office in Malaysia in the 1970s.

In 1981, the partnership was restructured into a limited liability company, which has grown into an employee owned company. [4]


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  1. "Leadership expert appointed as new Chair of the HRC". Health Research Council of New Zealand. 18 December 2015. Retrieved 19 November 2016.CS1 maint: discouraged parameter (link)
  2. "TONKIN & TAYLOR LIMITED (110783) Registered". Companies Office. 18 March 1981. Retrieved 9 February 2016.CS1 maint: discouraged parameter (link)
  3. 1 2 "About us". Tonkin + Taylor.
  4. "History". Tonkin + Taylor.
  5. "Awards". Tonkin + Taylor.
  6. "Bentley Announces Winners of 2014 Be Inspired Awards". Bentley Systems. 6 November 2014.
  7. "InnovateNZ Awards of Excellence 2013" (PDF). ACENZ. 12 July 2013.
  8. "InnovateNZ Awards of Excellence 2012" (PDF). ACENZ. 3 August 2012.
  9. "The Awards 2011". New Zealand Engineering Excellence Awards.