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Mehmet Karagoz focuses his practice on commercial litigation and civil fraud, advising claimants and defendants with regard to foreign and domestic frauds, internal investigations, and crisis management. He has obtained freezing injunctions against both individuals and companies as well as Norwich Pharmacal Orders against third parties including financial institutions, internet service providers, and email providers. 

Mehmet is a Certified Fraud Examiner (CFE). His experience also includes cases involving breach of contract, breach of fiduciary duty, breach of trust, dishonest assistance, knowing/unconscionable receipt, unlawful means conspiracy, unjust enrichment, deceit, undue influence, and unconscionable bargain. He also advises on unfair prejudice petitions.



  • Acting for the Kingdom of Sweden in pursuit of fraud claims under Maltese and Swedish law seeking in excess of €115 million and obtaining worldwide freezing orders and proprietary injunctions against three of the defendants: Sweden v Serwin [2020] EWHC 486 (Comm). Also enforced the WFO in Sweden [2020] EWHC 1251 (Comm).
  • Acting for Claimants alleging deceit, unlawful means conspiracy, breach of contract against two defendants. Obtained judgment for the Claimants under CPR 3.5 and subsequently obtained an order imposing conditions for the payment of previous costs orders before the Defendants could pursue their appeal: Daly v Ryan [2021] EWHC 976 (Ch).
  • Acted for David Cardoza, the former chairman of Northampton Town Football Club, defending a claim for breach of fiduciary duty and entering a transaction defrauding creditors. Defended the claimant's summary judgment application: Northampton Borough Council v Cardoza and others [2017] EWHC 504 (Ch).°
  • Acted for a Swiss lawyer who was appointed the executor of an English Estate in defending a claim seeking his removal under section 50 of the Administration of Justice Act 1985 by the sole beneficiary of the estate. The matter included allegations of fraud and theft and was part of a worldwide series of criminal and civil claims in various territories including the Cayman Islands, BVI, Delaware, Israel, Switzerland, and Liechtenstein. Applied for summary judgment on behalf of our client on his counterclaim - Perry v Neupert [2018] EWHC 88 (Ch).°
  • Acted for an offshore services firm and obtained freezing injunctions and disclosure orders concerning the alleged misappropriation by a fiduciary of sums totalling over £17 million. Also obtained a passport delivery up order.°
  • Acted for a technology company that had been defrauded by an existing director and majority shareholder, obtaining a freezing injunction and prohibitory injunction without notice against the fraudster within four days of being instructed.°
  • Acted for a global bank defending a claim for over £75 million in respect of dishonest assistance and fraudulent trading arising from MTIC fraud in the supply chain of European Emissions Allowances. Bilta (UK) Limited (In Liquidation) and others v (1) Natwest Markets Plc and (2) Mercuria Energy Europe Trading Limited [2020] EWHC 546 (Ch)°
  • Acted for a well-known high-end retail company in relation to a procurement fraud, including obtaining a without notice freezing order against multiple employees and associated individuals.°
  • Acted for an individual on his appeal to the Court of Appeal in respect of a claim arising from alleged fraudulent misrepresentations: [2014] EWCA Civ 67. Also resisted an interim application for security for costs in the same matter: [2013] EWCA Civ 1669.°
  • Acted on behalf of various listed construction companies in relation to internal investigations concerning suspected employee fraud.°
  • Acted for a claimant high net worth individual in a claim for over £6 million in relation to undue influence and unconscionable bargain.°
  • Acted for a global outsourcing company on an internal investigation of an international fraud. Obtained Norwich Pharmacal Orders against numerous third parties in order to identify the ultimate fraudster.°

°The above representations were handled by Mr. Karagoz prior to his joining Greenberg Traurig, LLP.

Recognition & Leadership

  • Listed, The Legal 500 United Kingdom, 2019
  • Member, Commercial Fraud Lawyers Association, 2014-Present
  • Member, Young Fraud Lawyers Association, 2016-Present


  • Legal Practice Course (LPC), BPP Law School, 2010
  • LL.B. (Hons), City University London, 2009
  • England and Wales
  • Turkish, Fluent