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Expertise

Corporate advisory

Mayne Wetherell’s corporate advisory team is a trusted partner to New Zealand’s leading corporates, investors and boards.

Our practice

We advise on shareholder arrangements, joint ventures, listed entity transactions and governance, corporate structuring, reorganisation and board frameworks, combining legal precision with commercial insight to help clients navigate complex corporate environments.  Our work spans public and private company governance, directors’ duties, market disclosures and stakeholder engagement.  We advise a number of listed entities on their corporate governance processes and obligations, including on financial and climate-related reporting.

We are regularly engaged on strategically sensitive mandates, including shareholder disputes and engagements requiring NZX Listing Rules or other regulatory compliance.  With integrated expertise across corporate, finance and regulatory disciplines, we are trusted advisers to a range of domestic and international corporates, delivering advice that is clear, balanced and aligned with long-term business objectives.

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What we've done

Work Highlights

Auckland Council

Advised Auckland Council on the restructure and internalisation of Eke Panuku and the economic development unit of Tātaki Auckland Unlimited (public sector).

Griffin’s Foods

Advised Griffin’s on its buyout of Proper Snack Foods and its acquisition of Mexicano (food).

Toyota

Advised Toyota on the acquisition of Ezi Car Rental and subsequent M&A activities (transport).

Avanti Finance

Advised Avanti Finance in relation to multiple equity raises and ongoing corporate governance (financial services).

Freightways

Advised NZX listed Freightways Group in respect of its listing as a foreign exempt issuer on ASX (transport).

Canopy Healthcare

Advised Canopy Healthcare (ICG portfolio company) in relation to its acquisition and roll-up activities and general corporate matters (healthcare).

Recognised for excellence, trusted by clients

Mayne Wetherell is well-versed in cross-border and offshore transactions for national and international clients. The firm’s sector expertise is vast, advising in the food and beverage, TMT, property, financial services and healthcare industries. Based in Auckland, the team is led by Matthew Olsen, who is active in the automotive, medical and hospitality sectors. Charlotte Garland advises on both the buy- and sell-side of transactions for private equity and high net worth clients.

Recognised for excellence, trusted by clients

Mayne Wetherell's respected corporate team is proficient in advising on capital markets, foreign investments and general commercial matters. The firm is well placed to handle cross-border M&A, with in-depth knowledge of New Zealand's foreign investment regulations. It acts on behalf of a range of corporates, shareholders, institutional investors and private equity houses.

What we do

Related expertise

Infrastructure

New Zealand’s infrastructure pipeline is expanding and the stakes have never been higher.

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Mergers and acquisitions

Mayne Wetherell’s M&A practice is trusted on New Zealand’s most complex and strategically significant transactions.

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Leveraged finance

Mayne Wetherell partners with sponsors, borrowers and lenders on complex, high-stakes leveraged transactions where layered capital structures and bespoke mechanics are central to the deal.

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Financial services regulation

Mayne Wetherell draws upon a depth of experience to advise across all aspects of New Zealand’s regulatory compliance, licensing and consumer protection legislation.

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Real assets

Real assets demand long-term thinking and sector-specific insight.

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Capital raising

Mayne Wetherell’s capital raising practice delivers strategic, commercially grounded advice across the full spectrum of equity and debt funding.

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Whether you need immediate advice or want to explore how we can support your business, we're here to help.

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Latest insights

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Stay informed with our latest firm news, legal perspectives and insights on global business change.
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Celebrating promotions across the Mayne Wetherell team
December 12, 2025
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Court of Appeal releases its decision in Hoban v Attorney‑General
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Advising Watercare on major financing milestones
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Launching Extraordinary Pay for our team
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Supporting emerging talent in M&A
November 27, 2025
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