Susannah Macknay
Partner
Melbourne
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Overview
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Experience
Introduction
Susannah is highly regarded for helping clients navigate complex M&A transactions.
Susannah Macknay is a partner in the corporate transactions practice at Ashurst Perkins Coie. With more than 20 years' experience, she has advised on M&A transactions in Australia and the UK with a value of over A$250 billion, acting for both corporate and private equity clients.
Susannah also advises on disclosure, corporate governance and listing rules matters and has significant experience advising listed companies on responses to activist shareholders.
- UniSuper | Participation in the A$11.7 billion takeover of Qube by scheme of arrangement (UniSuper is the largest shareholder in Qube and a member of the acquisition consortium).
- Diversified United Investment | Merger with Australian United Investment Company, creating a company with a combined market cap of A$2.5 billion.
- Adamantem Capital | Acquisition of Apiam Animal Health and QANTM IP by scheme of arrangement.
- PAG | Acquisition of Patties Foods, Vesco Foods and Australian Venue Co.
- Cleanaway Waste Management | Acquisition of Contract Resources, Global Renewables Holding and the proposed A$2.5 billion acquisition of Suez’s Australian business.
- Palisade Impact | Acquisition of Repurpose-It and Energy Locals.
- APN Property | A$320 million takeover by Dexus by scheme of arrangement.
- Alcoa Corporation | Acquisition of Alumina for $3.3 billion.
- Major institutional investor | Investments in Brisbane Airport and Transgrid.
Latest thinking
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Thought leadership
Spotlight on Susannah Macknay – What's driving the dealmakers?
April 28, 2026
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Quickguides
Takeovers in Australia
March 12, 2026
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Business Insight
Australian Public M and A Deal Report 2026
February 26, 2026
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Thought leadership
From deadlock to deal: Expert determination in M&A
December 10, 2025
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Thought leadership
A bridge over troubled disclosures
August 27, 2025
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Business Insight
The M&A Deal Report 2025 - An analysis of Australia public mergers and acquisitions
March 26, 2025
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