Sarida Derrington

Sarida Derrington

Senior Associate

m 0449 919 667


Sarida is an experienced litigator who has a broad practice across a range of commercial and regulatory disputes. She has particular expertise in highly complex and technical matters, large litigation, and regulatory enforcement and compliance (particularly under the Competition and Consumer Act 2010 (Cth) and Australian Consumer Law).

Prior to joining GRT, Sarida worked at both a global top-tier law firm and the Australian Government Solicitor (the Commonwealth government’s central legal service). Her experience acting on behalf of a wide range of clients, from ASX listed corporations to the Commonwealth government and ACCC, allows her to bring a unique breadth of insight to the commercial advice she provides.


  • Acted for Aurizon in its successful defence of enforcement proceedings commenced by the ACCC, seeking to block its sale of assets to Pacific National and alleging the parties had entered into various anti-competitive arrangements.
  • Acted for the Commonwealth government in proceedings before a full bench of the High Court concerning the validity of agreed penalties in civil penalty litigation.
  • Advised a multi-national agricultural client in successfully resolving a confidential ACCC investigation into potential contraventions of the Australian Consumer Law and implementing compliance systems to mitigate risks to the business going forward.
  • Advised a major electricity retailer in amending its practices and customer communications in response to the introduction of the Electricity Retail Code and Victorian Default Offer.
  • Acted for the ACCC in a range of high-profile competition and consumer law litigation, including the air cargo cartel case (which resulted in total penalties of $132 million against 14 airlines) and proceedings against Coles for unconscionable conduct against its suppliers.
  • Assisted ASIC in its investigations into potential fixing of the bank bill swap rate (BBSW) by major Australian banks.


Sarida holds a Master of Law (First Class) from the University of Cambridge. She completed her Bachelor of Laws at the University of Queensland.