Mergers & Acquisitions

The first choice for strategic M&A and complex transactions

In the face of dynamic change, our corporate clients value our expertise in domestic and cross-border transactions, and the integrated knowledge of our specialist lawyers. Our clients are some of the world’s largest companies, private equity firms and investors, and we work side-by-side with them on control transactions, negotiated M&A deals, joint ventures, restructures and private equity transactions. With our global perspective, strength advising foreign investors and the reach of our international network, we support clients in realising their ambitions.

As the firm of choice for strategically important and complex transactions, we build long term relationships with our clients, who turn to us when it matters. We work closely and seamlessly with boards and management teams, as well as other advisers, to help set up clients for the future and be agile in response to rapid developments.

With a comprehensive grasp of our clients’ needs and good relationships with regulators, we have critical insight into the issues that may arise during a complex transaction and are well-used to working at pace with our clients.

Our large, experienced team works seamlessly together, to deliver the best of Mallesons.  With diverse market and sector expertise and experience advising on some of the most transformative deals, we collaborate with our clients to deliver novel solutions and get deals done.

When it comes to deal making, we know what to look for - and where - to deliver your objectives and take your business forward.

Our Expertise in Mergers & Acquisitions
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Deals And News

Deals

Mallesons ranked #1 for M&A by value in Australia and New Zealand in H1 2026

Mallesons has maintained its position as a market-leading advisor on Australian M&A transactions, securing the top ranking for deals by value in Australia and New Zealand across both Mergermarket and LSEG league tables for the first half of 2026.

13 July 2026

Deals

Mallesons advises South32 on US$5.6 billion global aluminium portfolio sale to Alcoa

Mallesons has advised South32 Limited on the disposal of its Aluminium portfolio spanning Australia, Brazil and South Africa to Alcoa Corporation in a transaction with an implied enterprise value of up to US$5.6 billion.

02 July 2026

Deals

Mallesons advises Ravenswood Gold on A$1.4 billion refinancing transaction

Mallesons has advised long-term client Ravenswood Gold on a comprehensive refinancing transaction valued at more than A$1.4 billion.

29 June 2026

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Industry Recognition
  • Band 1, Corporate and M&A
    Chambers and Partners, 2026
  • Band 1, Corporate and M&A
    Legal 500, 2026
  • o #1 for Australia & NZ
    Mergermarket by deal value – H1 2026 (with 51% market share) LSEG (announced) by deal value and volume

Recent Publications

Publication

It's Public

Welcome to It's Public. Your go-to publication and podcast for Australian public M&A.

27 July 2026

Publication

Doing Business - Mallesons’ Guide to Doing Business in Australia

Doing Business - Mallesons’ 2026 guide to doing business in Australia - is your essential resource for investing and undertaking business operations in the Australian market.

30 April 2026

Publication

DealTrends

Welcome to KWM’s DealTrends in FY24 and FY25, our annual market report on Australian Private M&A deals between 1 July 2023 and 30 June 2025.

11 December 2025

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Testimonials
  • KWM (Mallesons) are commercial and responsive, with very high attention to detail, they are able to think outside the box and come up with creative solutions.
    Chambers and Partners Asia-Pacific 2025
  • They have an exceptional understanding of the law and market, integrated consideration of both business and legal issues and risks, as well as clear and comprehensive communication with the client.
    Chambers and Partners Asia-Pacific 2025

Our Experts in Mergers & Acquisitions

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