Australian M&A legal advisers: completed deals

H2 2025 · Australian M&A completed · 100 deals · A$59bn disclosed

Deal size
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Australian M&A legal advisers: completed deals, H2 2025, ranked by deal value
1 Gilbert + Tobin 9 deals · 35.5% share
2 Ashurst Perkins Coie 6 deals · 34.6% share
3 Skadden, Arps, Slate, Meagher & Flom 2 deals · 26.5% share
4 Mallesons 3 deals · 24.2% share
5 Arthur Cox 1 deal · 23.8% share
5 Wachtell, Lipton, Rosen & Katz 1 deal · 23.8% share
7 Herbert Smith Freehills Kramer 8 deals · 16.4% share
8 Allens 15 deals · 14.1% share
9 Corrs Chambers Westgarth 11 deals · 12.5% share
10 Clifford Chance 5 deals · 6.6% share
11 MinterEllison 5 deals · 5.3% share
12 Allion Partners 2 deals · 4.1% share
13 Stikeman Elliott 2 deals · 3.7% share
14 BCLP 1 deal · 3.4% share
14 Cassels 1 deal · 3.4% share
16 Sidley Austin 1 deal · 2.7% share
17 Ogier 1 deal · 2.7% share
17 Webber Wentzel 1 deal · 2.7% share
19 Clayton Utz 11 deals · 2.5% share
20 Bennett Jones 2 deals · 2.0% share
20 HopgoodGanim Lawyers 2 deals · 2.0% share
22 Goodmans 1 deal · 1.7% share
23 Hamilton Locke 10 deals · 1.1% share
24 HWLE Lawyers 6 deals · 1.0% share
25 McCullough Robertson 3 deals · 0.5% share
Share of the table, H2 2025
Australian M&A legal advisers: completed deals, H2 2025: share of the tableGilbert + Tobin35.5%Ashurst Perkins Coie34.6%Skadden, Arps, Slate, Meagher…26.5%Mallesons24.2%Arthur Cox23.8%Wachtell, Lipton, Rosen & Katz23.8%Herbert Smith Freehills Kramer16.4%Allens14.1%Corrs Chambers Westgarth12.5%Clifford Chance6.6%

Top ten by deal value.

Rank by year
Australian M&A legal advisers: completed deals: rank by year#1#3#5#7#9#11#1320252026 YTDGilbert + Tobin: #1 in 2025Gilbert + Tobin: #13 in 2026 YTD#13 Gilbert + TobinAshurst Perkins Coie: #2 in 2025Ashurst Perkins Coie: #1 in 2026 YTD#1 Ashurst Perkins CoieSkadden, Arps, Slate, Meagher & Flom: #3 in 2025Skadden, Arps, Slate, Meagher & Flom: #6 in 2026 YTD#6 Skadden, Arps, Slate, Meaghe…Mallesons: #5 in 2025Mallesons: #6 in 2026 YTD#6 MallesonsArthur Cox: #6 in 2025Arthur Cox (#6, 2025)Wachtell, Lipton, Rosen & Katz: #4 in 2025Wachtell, Lipton, Rosen & Katz (…Herbert Smith Freehills Kramer: #8 in 2025Herbert Smith Freehills Kramer: #3 in 2026 YTD#3 Herbert Smith Freehills KramerAllens: #7 in 2025Allens: #2 in 2026 YTD#2 Allens

This table's top firms in each year.

56 deals have no disclosed value. Methodology

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