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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.

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News & insights


Publications: 16 May 2022

20 Questions for Qualifying Asset Holding Companies (QAHCs)

Finance Act 2022 has introduced a new regime for qualifying asset holding companies (QAHCs).

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Publications: 16 May 2022

Pensions: what's new this week - 16 May 2022

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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Blog Post: 13 May 2022

A new UK “pro-competition regime” for digital markets is on its way

Whilst rumours had indicated that a new digital markets regime might have been shelved in the UK, the UK Government has now published its plans to address what it considers to be “the harmful effects…

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Publications: 13 May 2022

European Commission publishes revised antitrust rules on vertical agreements

The EU Vertical Block Exemption Regulation (VBER) exempts certain categories of vertical arrangement (agreements between businesses at different levels of the supply chain) from the prohibition on…

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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.