A&O Shearman
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A&O Shearman offers expertise across the full spectrum of antitrust mandates, including merger control, cartels, behavioural cases, and market investigations. ‘Extremely responsive, smart, collaborative and delightful to work with’, the group frequently leverages its international network to advise on foreign direct investment notifications, as well as EU Foreign Subsidies Regulation filings. Team head Dominic Long is skilled at securing high-profile clearances before both the European Commission and the UK’s Competition and Markets Authority. Philip Mansfield is a key point of contact for merger, cartel and behavioural matters. Matthew Readings is a leading adviser to clients in Abu Dhabi, while Thomas Masterman continues to see growth in mandates linked to complex CMA investigations.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Practical business advice.’
- 'The team provides truly global one-stop service for merger filings - a single team handling multi-jurisdictional filings across EU, US, and Asia simultaneously. Their predictive capability and resolution skills for complex market definition issues and competition concerns are exceptional. The long-standing relationship with EC merger control teams enables accurate understanding of authority perspectives and proactive responses.'
Key clients
- Abu Dhabi National Oil Company AD Ports Albemarle American Axle & Manufacturing Anglo American A.P. Møller Asteno Bellway Bilfinger Brink’s British Gas BT Group Charterhouse Capital Partners Cisco CYVN DLG Exponent Exxon Mobil GE Hitachi JERA Nex Kingfisher Macquarie Mærsk Masdar Green Hydrogen Mastercard McDonalds Mitsubishi NatWest Group NEC News UK Noble Corp OCI Global OMERS Paramount Global Parkwind Pure Storage Qatar Investment Authority Saudi Aramco Scottish Power Seagate Shurgard Self Storage Société Générale Sumitomo
Work highlights
Advising ADNOC on a series of transactions as part of its international diversification strategy.