Andrew Horne

Partner - Dispute Resolution and Litigation

Andrew is a senior commercial litigation and dispute resolution lawyer.  He specialises in commercial disputes, corporate and regulatory issues, financial services, insurance, cyber and technology.

Andrew is focused upon solving problems and achieving preferred outcomes.  He is experienced in managing complex, high-value disputes and appearing as an advocate in all levels of the New Zealand courts.  He also represents clients in mediation.

Andrew began his career with our firm before spending nine years with global law firm Clifford Chance LLP in London, the last three as a Partner.  Since his return to New Zealand in 2009, he has been recognised as a leading individual in Chambers Global and Chambers Asia-Pacific.  Praised for his “considered and measured advice” (Chambers Asia-Pacific 2021), Andrew has also been described as “excellent.  He presents clearly, he is very articulate and his cross-examination skills are excellent.” – Chambers Asia-Pacific 2020.

Widely recognised as an accomplished insurance specialist, Andrew has over 25 years’ experience acting for leading insurers and insurance brokers.  He is a trusted adviser to global broking firm Marsh and also acts for leading insurers.

Andrew is also known for his effective resolution of regulatory proceedings, particularly those involving financial institutions.  He frequently advises and represents clients in investigations and proceedings brought by the FMA and the Commerce Commission.

Clients also seek Andrew’s expertise in technology and cyber disputes.  He advises IT providers and their customers in major IT project disputes.  He is also a specialist in cyber claims and is nominated as an emergency contact in AIG’s cyber insurance policy.

Andrew is the editor-at-large of the firm’s insurance legal industry magazine, Cover to Cover.  He regularly publishes articles and presents seminars in association with leading insurance brokers and other industry organisations such as the Institute of Directors.

Related Articles


28 January 2022

Insurance risks for directors and officers


28 January 2022

Cyber threats


28 January 2022

The climate-related financial disclosure regime

Professional background

Recent work


Successfully representing Synlait in the leading Supreme Court case on the removal of historic land covenants, overturning a decision of the Court of Appeal and defeating a neighbouring landowner’s objection to a $280 million dairy processing factory.  The decision has significance for all property developments hindered by historic land covenants.

First FMCA proceeding

Representing ANZ Bank in achieving a negotiated resolution of the first civil penalty proceeding brought by the FMA under the Financial Markets Conduct Act, with an agreed outcome approved by the Court.

Investor claims

Representing investors in a successful claim against a former Las Vegas gaming executive arising from misrepresentations in relation to a winery and vineyard near Nelson, including obtaining urgent injunctions, succeeding at trial, successfully defending three appeals to the Court of Appeal and final success in an appeal to the Supreme Court.

Refining NZ

Advising and representing Refining NZ in relation to the Refinery to Auckland pipeline fuel leak that disrupted fuel supplies to Auckland International Airport and the Auckland region in 2017.


Long-term trusted adviser to a global insurance broker in all of its ‘errors and omissions’ claims.

Regularly representing insurers and insureds in a range of claims and issues.

IT and cyber

Defending a $40 million claim against a supplier in a major Government IT project.

Representing an insurance company in a $24 million claim against an IT supplier following a failed project to implement a new customer relationship and management system.

Advising and representing an investment fund manager in claims arising from a major cyber event, including multiple claims against professional advisors and insurers.


  • 2002, England and Wales
  • 1994, New Zealand


  • LLM, University of British Columbia
  • BA, LLB (Hons First Class), University of Otago


  • Banking and Finance Litigation
  • Commercial and Corporate Disputes
  • Dispute Resolution and Litigation
  • Insurance Issues and Disputes
  • Regulatory Compliance
  • Technology Disputes
  • Telecommunications Disputes


  • Ranked as a leading Dispute Resolution lawyer, Chambers Asia-Pacific & Global
  • Recognised in The Legal 500 Asia-Pacific's Hall of Fame - Insurance and Dispute Resolution
  • Recognised for Litigation Law and Telecommunications Law, Best Lawyers