Banking and finance
Mayne Wetherell is New Zealand’s premier banking and finance law firm. We deliver market-leading expertise across the full spectrum of banking and finance transactions.

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We work with major domestic and international banks, credit funds, corporate borrowers and sponsors on a full range of transactions across the loan and debt capital markets. Our team brings deep knowledge of the New Zealand financial landscape and its regulatory context, seamlessly integrating international standards with local expertise. We are trusted for our precision, innovation and efficiency in structuring and executing complex transactions that balance commercial flexibility with legal certainty.
Our banking and finance team is known for its cohesive approach, technical excellence, and commercial acumen. We operate at the heart of New Zealand’s largest and most sophisticated financing transactions, often in cross-border contexts, providing pragmatic advice that caters to unique lender and borrower dynamics. Clients choose us for our partner-led engagement and ability to bring clarity to complexity.
Our services
Corporate finance
Acquisition and leveraged finance
Private credit
Sustainable and green finance
Property finance
Asset and equipment finance
Work Highlights
Advised the Todd Corporation in relation to its financing arrangements (energy).
Advised Fonterra in respect of all treasury matters, including its corporate facilities (syndicated and bilateral), New Zealand debt issuances (listed retail and wholesale), Australian medium term notes issuances, other offshore issuances, and derivatives (dairy).
Advised Auckland Council in respect of treasury matters, including domestic and offshore green bond issuances, sustainability- linked bond issuances, banking facilities, intra group and external lending and general banking and finance advice (public sector).
Advised Watercare in respect of its establishment of and issuances under its New Zealand medium term note and commercial paper programmes, its Australian medium term note programme and its European medium term note programme (water infrastructure).
Advised Auckland International Airport in respect of all treasury matters, including its corporate facilities, New Zealand debt issuances, Australian medium term notes issuances and other offshore issuances, and derivatives (aviation infrastructure).
Advised the financiers in relation to the management buy-out of NPD (retail and consumer).
Advised the syndicate on the NZ$320m sustainability-linked financing provided to Silver Fern Farms, NZ’s largest red meat processor (agribusiness).
Advised Bank of New Zealand in respect of facilities it made available to Whakatane Mill for the purpose of providing financial capacity to shift to recyclable and biodegradable solutions, as well as enabling the plant to establish new capacity (manufacturing).
Advised ANZ in relation to the financing of Craigmore Sustainable (agribusiness).
Advised Merricks Capital in relation to all aspects of the financing of the Mangawhai Central development (real estate and construction).
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