Simpson Grierson

Tax

Partner

Barney is one of New Zealand's leading tax lawyers, with close to 30 years' experience across all aspects of New Zealand's domestic and international tax law.

Barney advises clients on a wide range of transactions and other non-contentious tax matters, both domestic and cross-border, and involving the private, public and not-for-profit sectors. Barney also assists clients with tax disputes and litigation and advises high net worth individuals and families on trust, asset planning and related tax matters.

Barney works alongside his clients to develop strategies that minimise tax risk without inhibiting commercial objectives. His advice is always practical and seeks to distil complex issues into an easily digestible form.

Recognition

Asia Pacific Legal 500 Tax 2026 – Leading Lawyer (Hall of Fame)

Chambers Asia-Pacific Tax 2026 – Leading Lawyer

New Zealand Law Society Tax Law Committee

International Fiscal Association (New Zealand branch)

International Bar Association Tax Law Committee

BA LLB(Hons)