Calibre Group Limited is a public unlisted foreign-owned company that provides engineering, consulting, project delivery, construction and asset management services. Calibre Group Limited is administered from its head office in Perth.

Calibre Group Limited's ultimate parent is Netherlands-based FR Calibre BV.


Calibre Global provides multi-disciplinary engineering, consulting, design and delivery services for mine, rail and port projects within the resource and infrastructure sectors.

The company divides its operations into four businesses:

  • Calibre Projects & Technologies - providing diversified engineering services to the resources and infrastructure industries.
  • G&S Engineering Services - specialists in providing asset management services to the resources, ports and infrastructure sectors.
  • Calibre Consulting - providing design solutions, project and site management and contract administration for urban development, buildings & structures, water & environment, energy & resources and transportation infrastructure. This division has operations in Australia, New Zealand and Singapore.
  • Diona - specialises in the design and construction of cable laying installations, water, sewer and gas pipelines, as well as drainage and concrete construction.




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