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Allen & Overy office group shot
Allen & Overy office group shot

About us

Allen & Overy is a global law firm that helps the world’s leading businesses to grow, innovate and thrive. For almost a century, we have built a reputation for our commitment to think ahead and bring original solutions to our clients’ most complex legal and commercial challenges.

At a time of significant turbulence in the business world, we are determined to help our clients embrace change, confidently expand into new markets and keep on top of ever-more complicated regulatory frameworks.

To do this, we will harness our global strength and local knowledge. We will drive towards our vision to become the world's most innovative law firm. And we will continue to create an environment where the brightest minds can flourish.

Discover how we are positioning ourselves – and our clients – for the future.

Download our Global Snapshot PDF

Allen & Overy in numbers

The A&O difference

Global reach, local depth

We are one of the largest and most connected law firms in the world. Every day we combine our collective global resources to help our clients gain competitive advantage in the local markets they operate in. 

Lasting relationships, market leadership

We combine leading legal insights with deep business know-how to build long-term relationships with our clients. Many of the world’s leading businesses rely on us to solve their most complex legal challenges.

High-performance culture

Our clients expect the highest standards of service, and we have similarly high expectations of our people. We have created an environment where the brightest and most talented legal minds can flourish.

Our values

Annual reviews

A long-term strategy, staying close to clients and remaining agile has helped us to steer a steady course through a time of great uncertainty. Discover our financial and business results, and how we are challenging ourselves to stay ahead. Read our annual reviews here.

Our locations and global coverage

Click on the regions in the map below to find out more about the jurisdictions we cover across the world.

  • Europe
  • Africa
  • Asia Pacific
  • Middle East
  • North America
  • Latin America

In addition to countries where we have offices, we also have a number of International Desks advising clients on large scale international transactions in Europe.

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Our alumni network

Everyone who works at A&O helps to shape our future. It is why we are committed to nurturing our global community of former employees.
Discover how our Alumni Network ensures we remain connected to the people who have helped make our firm what it is today.

Take me to the alumni network

Advanced delivery

Advanced delivery process

Allen & Overy is transforming the way it delivers its services.

We recognise that our clients face constant pressure to deliver more for less, and we are determined to help them rise to this challenge. Explore our Advanced Delivery toolkit here.