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United Kingdom

Our lawyers in London advise the world's leading businesses, financial institutions, governments and private individuals.

We regularly work on complex cross-border transactions, ground breaking new legal solutions and products, and help Allen & Overy's clients resolve their most difficult disputes.

The majority of our 2000 people in the UK are based at One Bishops Square in London. Allen & Overy's Belfast office, comprising our Legal Services Centre and Support Services Centre, opened in July 2011 and is home to around 400 of our people.

Our offices

Belfast
London

News & insights

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Publications: 17 JUNE 2021

The Corporate Insolvency and Governance Act 2020 – extension of temporary measures

The Corporate Insolvency and Governance Act (the Act) entered into force on 26 June 2020. The Act represents the most significant reforms to the insolvency framework in the United Kingdom since, at…

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News: 16 JUNE 2021

A&O advising American Tower on its long-term strategic partnership with Allianz

Allen & Overy is advising American Tower Corporation (American Tower) on the acquisition of a 10% stake in ATC Europe, American Tower’s European platform, by Allianz Capital Partners, on behalf of…

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News: 16 JUNE 2021

Sale of BBI Group – A&O advising Exponent

Allen & Overy is advising Exponent Private Equity (Exponent) on its agreement to sell BBI Group (BBI) to Novo Holdings, a global investor in life sciences companies. 

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Blog Post: 14 JUNE 2021

Process patents – paper tigers or effective protective rights?

Thoughts on “sufficient likelihood” in the sense of section 140c German Patent Act (PatG).

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A&O London office Covid-19 risk assessment

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Following consultation with staff representatives in our London office, and paying close attention to the government guidance first published on 11 May 2020 ‘Working safely during Covid-19 in offices and contact centres’, we have undertaken a comprehensive risk assessment and taken appropriate actions to minimise identified risks. As government guidance develops and the pandemic evolves, we will continue to review and update this risk assessment as necessary.

Our U.K Seminar programme

Now in its 24th year, this programme brings you the latest expert views and information on the big issues facing businesses today. These seminars give you direct access to our partners' knowledge and expertise and the guidance you need to tackle today's rapidly-evolving markets.