Gilbert Walker
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Gilbert Walker is a boutique litigation practice specialising in complex commercial and regulatory disputes. The firm is co-led by Martin Smith and Iva Rosic. Since their promotion to partnership in 2024, Hamish McQueen and Zoe Brentnall have strengthened the firm’s depth. McQueen acts in complex commercial and corporate disputes, with expertise in regulatory and construction matters. Brentnall advises on major construction and insurance disputes, alongside regulatory investigations and prosecutions, further consolidating the firm’s disputes capability.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'As Gilbert Walker is a boutique specialist firm, the level of skill and focus on dispute resolution is of a very high calibre. They are impressive in their organisation and control of matters, bringing a cool, calm, rational approach.'
- 'Iva Rosic is an exceptional operator. She is outstanding at identifying the key issues in the case and preparing a compelling argument in support of the client's position. I rate her very highly. She is a star.'
Key clients
- ANZ Bank
- Tower Limited
Work highlights
Acting for 24 car dealerships across New Zealand in class actions proceedings alleging that certain vehicles sold from 2015 onwards contained a defective diesel particulate filter.