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Sub practice

Mergers & Acquisitions

Recognised for our mix of M&A and corporate financing expertise and for a level of service that very few law firms can match.

We support buyers and sellers at all stages of transactions – from bid preparation and submission to negotiation, sign-off and close. We advise on the full range of deal structures from public takeovers/tender offers through to divestments, auctions, take privates and demergers. Our track record in M&A, expertise and local knowledge ensure that we deliver cost-effective, high quality legal advice. Our close-knit team of lawyers across the world employs a common approach, which means we can handle cross-border deals effectively.

Our sector teams work closely across our network of offices to provide clients with an unrivalled, seamless service. Strong sector knowledge built up from years of working with clients across all sectors, allows us to bring a strategic approach to our work, a deep understanding of industry issues and ensures we provide an efficient approach to due diligence.

Our recent experience

21st Century Fox

21st Century Fox

on its USD71bn acquisition by The Walt Disney Company and on its subsequent GBP11.6bn sale of its 39% stake in Sky to Comcast.

Abu Dhabi Commercial Bank

Abu Dhabi Commercial Bank

on its multi-billion dollar three-way merger with Union National Bank PJSC and Al Hilal Bank.

American Tower

American Tower

American Tower on the EUR7.7bn acquisition of Telxius Towers, comprising approximately 31,000 existing communications sites in Germany, Spain, Brazil, Chile, Peru and Argentina, from Telefónica.
Liberty Global

Liberty Global

on its GBP31.4bn joint venture with Telefónica to merge Virgin Media and O2’s fixed, broadband and mobile businesses in the UK.



on the proposed USD27bn acquisition by the London Stock Exchange Group.



on the USD10.6bn sale of the entire interest in its businesses in Thailand and Malaysia to CP Group entities following a competitive sale process.

Special purpose acquisition company (SPAC)

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Read our insights into the issues that sponsors, investors and companies should consider

News and insights

Image of test tubes filled with a blue liquid

Publications: 02 April 2024

New twist in the Illumina/GRAIL saga: Advocate General challenges European Commission’s power to review below-threshold mergers

In a much-anticipated opinion, Advocate General Nicholas Emiliou (AG) has advised the European Court of Justice (ECJ) to set aside the General Court (GC)’s Illumina/GRAIL judgment.

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News: 27 March 2024

Allen & Overy advises on the sale of majority stake in GasNet

Allen & Overy is advising Macquarie Asset Management (Macquarie), on behalf of managed funds, on the disposal of its 55.21% indirect interest in GasNet, the Czech Republic’s largest gas distribution…

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Top down image of a football team playing at night with flood lighting

Publications: 26 March 2024

Moving the Goalposts: Football Governance Bill introduces Independent Football Regulator to Parliament

The Football Governance Bill (the Bill), introduced to the UK Houses of Parliament (Parliament) last week on Tuesday 19 March, is set to implement historic reforms for the governance of men’s…

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News: 11 March 2024

A&O advises Sygnity on acquisition of Sagra Technology

Allen & Overy advised Sygnity S.A. on the acquisition of Sagra Technology, a leading provider of an SFA suite of proprietary products for sales management, procurement and monitoring.

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  • M&A Deal of the Year, IFLR Europe Awards 2023
  • M&A Deal of the Year, IFLR APAC Awards 2023
  • Europe TMT M&A Legal Adviser of the Year, TMT Finance M&A Awards 2023
  • M&A Deal of the Year, Expansión Awards 2022
  • M&A Deal of the Year (Premium), ALB Southeast Asia Law Awards 2022
  • Benelux M&A Legal Adviser of the Year, Mergermarket Awards 2022
  • Corporate/M&A Law Firm of the Year (UAE), Chambers Global Middle East Awards 2022

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