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GC Structural Engineers Pty Ltd is an Engineering Consultancy based in Queensland and provides structural engineering services throughout Queensland. Gold Coast local, Director and Structural engineer Mark O'Hagan holds a BEng(Hons), RPEQ Registered with the Board of Professional Engineers Queensland and has a decade of consulting experience in the field of structural engineering, across all industry sectors working within Australia and abroad. Our focus is to provide high quality, value based engineering solutions to suit client needs and deliver our engineering documentation to satisfy project timelines.

Our clients range from developers, builders, project managers, homeowners and various other design consultants to deliver structural consulting projects accommodating to a broad range of industry sectors.

 Our key values we bring to each project include:

  • Optimised and practical design solutions – A emphasis on economically sustainable solutions that are straight forward and economical to construct  whist meeting expected standards of quality.

  • Value for money engineering - Being a smaller consultancy our fees are directed towards the service and not large company overheads.

  • Innovative designs – We look for innovative design solutions that translate into construction savings over repetition of standard designs.

  • Clear consulting fee breakdowns – Services tailored to client specific requirements.



Mark O'Hagan

Director,Structural Engineer

BEng(Hons), MIEAust, RPEQ.


Structural Audit  Emerald QLD.


 Basement Excavations Works , Taipei, TW.

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