Opus International Consultants Limited is a New Zealand-owned public listed company, providing engineering and project consultancy and management services, along with asset development and management. The company employs over 2,800 people, operates in New Zealand, Australia, Canada, the United States, the UAE and the United Kingdom, and is administered by its head office in Wellington.

Opus International Consultants Limited is listed on the NZX under the code OIC.

Opus International Consultants Limited provides asset development and asset management services across the following industries:

  • Transportation - Asset & network management, bridge design, geographic information systems, maritime engineering, procurement and contract management, road & rail design, transport planning, and transportation research.
  • Buildings - Construction & compliance services, geotechnical & structural engineering, heritage services, landscape architecture, and structural design.
  • Water - Stormwater and water asset management, and water and wastewater treatment.
  • Environmental - Environmental management and training, resource management planning, surveying and contamination clearance.
  • Telecommunications - Data centre, fixed network and mobile and wireless infrastructure
  • Energy - Energy distribution, management, and generation
  • Resources - Infrastructure development and management, surveying and archeology.
  • Research - Experimental research in the environmental, transportation, and society & business fields.
  • Laboratories - Test reporting, independent consulting services, and construction material testing and analysis.


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