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Two men and two women in a business meeting.
Two men and two women in a business meeting.

Corporate and M&A

Operating in more than 30 countries – and at the forefront of our industry – Allen & Overy is one of the world’s leading corporate advisers.

Working alongside some of the world’s most successful companies, commercial and investment banks and private equity firms, the corporate work we do breaks new ground and sets precedents.

Our clients know us as an ambitious, creative and enterprising team of individuals who think differently and embrace the most complex and cutting-edge commercial ventures.

We find innovative new ways to deliver our services and exceed expectations: on public takeovers, private M&A, equity capital marketsprivate equityjoint ventures and commercial partnerships, disposals and corporate reorganisations.

Combined with our transactional expertise, we also cover the full range of specialist areas including antitrust and competitioncommercialemployment and benefitsenvironmentalintellectual propertytax and corporate governance

Moreover, we work hand-in-hand with banking and finance, capital markets and litigation teams to cover the full spectrum of business law advice and ensure a level of service and quality of advice that very few other firms can match on a global scale. 

Driven by our clients’ needs, we combine U.S., English and local law expertise within one single, integrated firm as well as the broadest network of any of the leading global elite law firms, with more than 40 offices worldwide. Our global insights, local depth and creative thinking assist us to get deals done and find solutions in complex cases. 


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.

News and insights

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News: 06 June 2022

Allen & Overy expands Silicon Valley presence with partner Jesse Debban

Allen & Overy today announced that Jesse Debban has joined the firm as partner in its Corporate practice.

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News: 29 April 2022

A&O posts strong performance in Q1 2022 M&A league tables

A&O has marked the end of Q1 2022 with a strong performance in the M&A league tables; the result of advising on a number of complex transactions in a wide range of sectors and markets, around our…

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News: 28 April 2022

Allen & Overy announces 57 counsel promotions

Lawyers in 20 of Allen & Overy’s offices across Africa, Asia Pacific, Europe and the U.S. have been promoted to counsel, effective 1 May 2022. 

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The M&A landscape in 2021: A global picture

Publications: 27 January 2022

The M&A Landscape in 2022: A global picture

Global M&A markets recorded another year of extraordinary growth in 2021 with transaction values soaring to a new record high of nearly USD6 trillion. As 2022 begins, we examine what underpinned that…

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  • Equity Deal of the Year, JDE Peets’ IPO, IFLR Europe Awards 2021
  • Equity Deal of the Year, AREIT IPO, IFLR Asia-Pacific Awards 2021
  • Equity Market Deal of the Year, Australasian Awards 2020
  • Cross-border M&A Legal Adviser of the Year, Mergermarket Australia M&A Awards 2020
  • Outbound M&A Legal Adviser of the Year, Mergermarket Japan Awards 2020
  • Best Law Firm in Asia: M&A, FinanceAsia Achievement Awards 2019
  • UK Legal Adviser of the Year, Mergermarket European M&A Awards 2019
  • Benelux Legal Adviser of the Year, Mergermarket European M&A Awards 2019
  • Domestic Deal of the Year for Alawwal Bank/The Saudi British Bank merger, IFLR Middle East Awards 2019

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