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Jack Trevella

Jack Trevella

Associate

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Jack Trevella is a New Zealand qualified lawyer with a Bachelor of Laws (First Class Honours) and a Bachelor of Arts from the University of Otago. He also holds a Master of Laws (LLM) from the University of Chicago Law School.

Jack began his career as a clerk/judicial assistant to the High Court of New Zealand, before joining one of New Zealand’s leading barristers’ sets as a junior in 2021. As a junior barrister, Jack worked on a wide range of commercial and public law disputes, with a particular focus on judicial review. Jack appeared as counsel in the High Court on numerous occasions, often representing bodies challenging administrative decisions made by central and local government.

Jack’s role:

Jack advises on public law, with a focus on central government matters. He regularly handles cases involving judicial review and assists clients either challenging or defending claims.

Skills and behaviours:

Jack’s knowledge of public and administrative law means he knows how to best frame or defend cases to achieve the best results for his clients. Jack prides himself on getting to know his clients and understand their strategic objectives to guide them through litigation in a measured manner.

  • Central Government
  • Corporate Clients
  • Local Government
  • Commercial Contracts
  • Human Rights
  • Judicial Review
  • Litigation
  • Procurement
  • Procurement challenges
  • Public Law
  • Acted for a philanthropic organisation seeking judicial review of the New Zealand Government’s failure to prosecute certain recipients of the COVID-19 wage subsidies
  • Represented an interest group seeking judicial review of a local council’s reintroduction of fluoride into the water supply on New Zealand Bill of Rights Act grounds
  • Represented a joint venture seeking judicial review of the Overseas Investment Office’s decision not to honour an existing consent in relation to a multi-million-dollar property development in New Zealand’s Bay of Islands
  • Acted on behalf of the New Zealand Government in a long-running inquiry into historical matters concerning Māori-Crown relations
  • Representing a local authority in successfully defending a procurement challenge threatened by a bidder in connection with the procurement of a £60 million pound leisure centre services contract
  • Advising a defence technology company on the export licensing regime in relation to the transfer of goods to a conflict zone
  • Representing a Government Department in successfully defending a procurement challenge threatened by a bidder in relation to a £35 million pound contract for the provision of criminal justice system software
  • Advising a local authority in relation to the variation of a significant term services contract for the provision of highway maintenance services
  • Representing a Government Department in relation to a dispute as to the ownership of materials at a UK prison
  • Advising a public body on its decision-making obligations in relation to the national Freeports regime and the provision of business rates relief
  • Representing the Free Speech Union in challenging the Government’s implementation of a definition of anti-Muslim hostility
  • Representing an industry body challenging the lawfulness of the Government’s consultation in relation to a proposed ban on the sale of certain goods
  • Representing a Government Department in procurement proceedings to lift an automatic suspension in place in relation to a cyber-security contract worth £25 million pounds
  • Representing a not-for-profit organisation in relation to a museum’s repatriation of Benin Bronzes to Nigeria

Judicial Review of Sports Governing Bodies

26 May 2026

George McLellan, Jack Trevella and Oliver Dickie consider whether sports governing bodies should be amenable to judicial review. In 1993, the Court of Appeal rejected a claim for judicial review against the Disciplinary Committee of the Jockey Club on the basis that the Jockey Club was not amenable to judicial review.[1] Sir Thomas Bingham MR... Read more

Why I Wanted to Explore Intensity of Review Across the UK and New Zealand

19 March 2026

Author: Jack Trevella As an Associate at Sharpe Pritchard (the firm that represented the Wednesbury Corporation in Associated Provincial Picture Houses Ltd v Wednesbury Corp) it is somewhat hard to avoid the doctrine of reasonableness. However, the more experience I gained practising in administrative law in the United Kingdom, the more it struck me as curious... Read more
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