Sally McKechnie
BA LLB(Hons) BCL(Oxon) MPhil(Oxon) • Wellington
Sally is a leading public law advisor and litigator, providing tailored advice in regulatory issues, judicial review and declaratory judgment.
She leads Simpson Grierson's public law and government practice and is known for delivering pragmatic and analytical advice, targeted at resolving disputes to secure the best possible client outcomes.
Sally helps both private and public clients to manage a wide range of public and administrative law and regulatory issues - including regulatory disputes, judicial review and declaratory judgment. She has particular expertise in contested matters, has appeared as lead counsel in the Supreme Court and regularly appears in the High Court and Court of Appeal. She has particular experience in seeking and resisting urgent injunctions and interim orders.
She assists clients with participating in inquiries, government reviews and Royal Commissions and she conducts investigations for public agencies. Sally assists clients in engaging with public agencies, including the Ombudsman, Auditor General and Privacy Commissioner in terms of complaints and responding to investigations.
Sally joined Simpson Grierson from Crown Law in May 2017. As Crown Counsel, she represented and advised Ministers, regulators, statutory decision makers and government departments and ministries. That Crown experience gives her a unique insight into engaging with government. She now regularly acts both for and against the Crown and other public actors.
Sally has been a co-author of New Zealand Law Society national ‘Judicial Review’ Seminar since 2021.
Chambers Asia-Pacific 2026
Public Law
Leading Lawyer
Asia Pacific Legal 500 2026
Dispute Resolution
Leading Partner
Work Highlights
Judicial review and public decision making
Sally regularly appears in judicial review matters, in a wide range of areas. She is an expert in statutory interpretation and decision-making processes, acting for both applicants and defendants. Recent cases include:
Ours Not Mines v Hauraki District Council (lead counsel for Oceana Gold) [2026] NZCA 128.
Secured successful appeal in Panel Convener v Ngāti Paoa Trust Board [2023] NZCA 412.
Lead counsel in New Zealand Defence Force v District Court of New Zealand [2022] NZHC 3559; a successful challenge to WorkSafe decision to prosecution the death of a soldier during a counter terrorism training exercise.
Counsel for Bunnings in Rongotai Investments Ltd v Land Valuation Tribunal [2022] NZHC 1669.
Injunctions and interim orders
Sally regularly brings and defends urgent injunction or interim orders applications, to seek to preserve her clients’ positions. Recent cases include:
Resisting an urgent injunction application regarding the ‘Special Advocate’ process for classified information: Zhao v Public Service Commission [2026] NZEmpC 188.
Securing urgent interim injunction for Defence Force to prevent publication of sensitive details of serving soldiers: January 2026.
Pacific 7 v Tauranga City Council [2025] 2235 defeating an attempt to prevent a property sale.
Public employment law
Regularly appears in the employment jurisdiction on matters, particularly in matters engaging statutory and public law issues.
Lead counsel for Crown in Fleming v Attorney General [2025] NZSC 188 regarding disability funding mechanisms and homeworkers.
Counsel for Attorney General, intervening in Fechney v Employment Relations Authority [2022] NZEmpC 52.
Counsel assisting the Court: Labour Inspector of the Ministry of Business, Innovation and Employment v IT Guys NZ [2019] NZEmpC 115.
Parliamentary processes, law reform and policy
Sally and her team regularly advise on Parliamentary processes, Select Committee processes and draft submissions and law reform proposals. She advances her clients interests through law reform proposals, suggested statutory drafting and supporting policy papers.
Contested regulatory matters and advice
Sally assists companies to resolve issues with public and regulatory decision making, securing positive and discrete solutions for clients. She works across a wide range of sectors including health and medical, pharmacy, broadcasting, mining and extractives, government procurement and contracting.
Treaty of Waitangi obligations
Regularly provides advice on statutory and Treaty obligations and Treaty informed processes to public and private actors and iwi groups.
Lead counsel in Hart v Marlborough District Council [2023] NZHC 2714 regarding the scope of the Local Authority’s Treaty obligations.
Crown Entities
Assisting a number of Crown entities in relation to their decision making, interactions with responsible Ministers, statutory obligations and Ministerial powers, including representing a Crown Entity in a judicial review regarding the scope of Ministerial powers of direction and advising a Crown Entity on Treaty of Waitangi obligations. She represents various Crown Entities in commercial disputes, administrative disputes and judicial review, Select Committee processes, inquiries, and inquests.
Counsel for Fire and Emergency in Stafford v Attorney General [2024] NZHC 3110.
Counsel for Worksafe in Wislang v Attorney General [2020] NZHC 2588.
Human Rights and NZBORA
NZBORA and human rights claims in the High Court and Human Rights Review Tribunal in relation to civil claims in sexual harassment and discrimination/human rights.
Responding to allegations of NZBORA breaches for public bodies. Recent cases including counsel for the Speaker of the House in G v Attorney General [2026] NZHC 1776.
Defending a Council and Council controlled organisation against allegations of discrimination in housing in the Human Rights Review Tribunal.
Royal Commissions and government inquiries
Sally has an extensive inquiries practice, including acting for the Catholic Bishops and Congregational Leaders and other faith groups in the Royal Commission into Abuse in Care. She has assisted a wide range of clients (including government chief executives, state employees and whistle blowers) in the Royal Commission regarding the Mosque Shootings, in Operation Burnham, the Wally Haumaha inquiry and the inquiry into the Government’s use of private investigators.
Most recently, Sally is assisting Fire and Emergency New Zealand in responding to the Government Inquiry in the Fatal Tauranga Landslides.
Education sector
Advising universities, schools, ECE providers and PTEs on their statutory and regulatory obligations.
Acting for a large PTE in challenging the regulatory actions and decisions of NZQA, including bringing judicial review proceedings and seeking interim orders to prevent the imposition of decisions.
Assisting a university with controversial attempted name change decision.
Privacy and Official Information
Assisting public and private clients with Ombudsman’s and Privacy Commissioner requests and investigations.
Advising New Zealand based business and NZ based international subsidiaries on their OIA and Privacy Act obligations and compliance.














































































