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Asia Pacific

Expert Services


We have been providing expert services for nearly four decades. The Driver Trett team has extensive expert knowledge, and for higher profile litigation and arbitration, we have our Diales team.

Diales specialise in providing Expert Witness services to the global engineering and construction industry. Our experts support the legal profession in Arbitration, Litigation, and Alternative Dispute Resolution. We specialise in delay analysis, quantum damages, and technical disciplines, including architectural, mechanical, electrical, and project management. 

Our experts have:

  • A minimum of 15 years' practical industry experience
  • Experience in cross examination, or have completed accredited training
  • At least 50% of their workload as expert work
  • Tried and tested, with proven track records
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