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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


News and insights

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News: 01 February 2023

A&O advises on EIB's first GBP-denominated, dual blockchain digital bond

Global law firm Allen & Overy has advised a bank syndicate comprising BNP Paribas, HSBC and RBC Capital Markets on the European Investment Bank’s (EIB) inaugural issuance of sterling-denominated…

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Blog Post: 31 January 2023

A harsh outcome does not an implied term make

The sanctity of the parties’ agreement is preserved as the UK Supreme Court adopts a cautious approach to implied terms. It reiterates that no term may be implied into an agreement where the implied…

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Piles of stones

Blog Post: 30 January 2023

It’s not you, it’s me: relational contract to be interpreted like all others

The Court of Appeal has (thankfully) confirmed there are no special rules of interpretation when it comes to relational contracts. 

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Skyscrapers view from ground

News: 30 January 2023

A&O advises the initial purchasers in connection with Verisure’s EUR450m high yield bond issuance

Allen & Overy’s high yield and leveraged finance team has advised the initial purchasers in connection with the issuance today of EUR450 million 7⅛% Senior Secured Notes due 2028 by Verisure Holding…

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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.