Department profile
A&O Shearman

Competition/Antitrust

Asia-Pacific Guide 2026 : Australia


A&O Shearman

Rankings

Chambers Review

Provided by Chambers

Competition/Antitrust - Australia

Band 3

Band 3


What the Team is Known For

A&O Shearman fields a respected competition law team with high cross-border capability, frequently acting on behalf of high-profile clients from the Australian and international financial services, energy and technology sectors. The firm offers proven expertise in advising global clients on multi-jurisdictional merger filings throughout the Asia-Pacific region. The practice is also noted for its competition litigation and investigation-related capabilities, complemented by in-depth understanding of Australian Competition and Consumer Commission (ACCC) processes and constructive relations with the Commission. The team provides regulatory counsel to major multinationals in connection with ACCC inquiries into markets such as gas and electricity supply and digital platforms.

Work Highlights

Provided by Chambers

  • A&O Shearman advised Google in relation to the ACCC’s inquiry into digital advertising technology services and digital advertising agency services, known as the Digital Advertising Services Inquiry or the Ad Tech Inquiry.

Strengths

Provided by Chambers

  • I was very impressed with the offering at A&O Shearman.

    Competition/Antitrust respondentAsia-Pacific
  • A&O Shearman have a very capable team that can handle complex matters.

    Competition/Antitrust respondentAsia-Pacific

Notable Practitioners

Provided by Chambers

  • Band 2Peter McDonald
    Band 2Peter McDonald

    Peter McDonald

    Peter McDonald advises across the competition spectrum from the firm's Sydney office. He stands out for his experience with managing high-value merger clearance mandates and sensitive antitrust issues.

    • Peter McDonald is very pragmatic and approachable. He has deep expertise of antitrust regimes in Australia and globally.

      Competition/Antitrust respondentAsia-Pacific

Ranked Individuals at A&O Shearman (1)

Australia

A&O Shearman has rankings in the following guides

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