

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 markets, private equity, joint 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 competition, commercial, employment and benefits, environmental, intellectual property, tax 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.

Explore our services
Our recent experience
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
on its multi-billion dollar three-way merger with Union National Bank PJSC and Al Hilal Bank.
American Tower
A multinational telecommunications company
on its GBP31.4bn joint venture with Telefónica to merge two telecommunications companies' fixed, broadband and mobile businesses in the UK.
Refinitiv
on the proposed USD27bn acquisition by the London Stock Exchange Group.
A global retail company
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

Publications: 13 January 2023
Global trends in private M&A 2023
We have recently produced our annual client presentation on global trends in private M&A. Our findings draw on an in-depth analysis of more than 1,700 private M&A deals that A&O has advised on…

Publications: 12 January 2023
OECD Pillars: Full steam ahead
2023 is set to be a year of change for the global tax landscape. After many years of negotiation, development and consultation, implementation of the OECD’s Pillar One and Pillar Two reforms to…

News: 09 December 2022
2023 global M&A transactions: cautious optimism amid challenging outlook
Despite the uncertain geopolitical landscape, inflationary pressure and rising interest rates we are cautiously optimistic for the varied opportunities the next 12 months will bring.

Publications: 09 December 2022
Run on energy and infrastructure deals set to drive further market evolution
The energy crisis has turbocharged energy and infrastructure M&A. As activity intensifies, corporates will continue investing alongside financial sponsors – who in turn are partnering with developers…
Recognition
A&O has advised on more than 2,900 M&A deals worth over GBP1.8tn since 2010.
Mergermarket
They have a very strong, capable network globally, and when working on matters for you they ensure the service quality is as needed. They are commercial, pragmatic, technically good, and helpful and sensitive on pricing.
Chambers Global 2021 (Corporate/M&A)
Awards
- 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