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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 and insights

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Publications: 30 January 2023

Pensions: what’s new this week - 30 January 2023

Welcome to your weekly update from the Allen & Overy Pensions team, covering all the latest legal and regulatory developments in the world of workplace pensions. This week we cover topics including:…

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Publications: 27 January 2023

The National Security and Investment Act 2021: reflections on the first year

The UK's National Security and Investment Act 2021 (the NSIA) came fully into force on 4 January 2022, with retrospective effect on certain transactions entered into or completed on or after 12…

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News: 27 January 2023

Allen & Overy awarded Law Firm of the Year by Risk.net for record second year running

The firm was congratulated in particular for their work in the past year in advising the Credit Derivatives Determinations Committee on the settlement of credit derivative transactions (CDS)…

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Publications: 26 January 2023

Environmental and sustainability outlook 2023

Join our global environmental and sustainability experts as we discuss the trends and outlook across some of our major jurisdictions for 2023. We look at developments across the UK, Europe,…

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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.