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Man and woman at a business meeting


Allen & Overy has a large and diverse Litigation practice renowned for its expertise in high-value, complex cases that are frequently cross-border in nature.

Our global practice is recognised for protecting clients’ interests across the full range of contentious issues that a multinational business may encounter, whether we are handling complex international issues or local matters. We handle the full range of corporate and commercial disputes, including competition and antitrust litigation, employment litigation, bankruptcy and insolvency, class actions, insurance litigation, securities litigation and issues arising from corporate transactions. We also have extensive experience handling contentious regulatory proceedings, investigations and criminal matters. 

A&O’s leading litigators work seamlessly in integrated teams with our transactional and advisory colleagues, providing in-depth market expertise and product knowledge that gives clients an edge in disputes and enables us to pre-empt and protect against potential risks to their businesses. 

Our main priority is to resolve disputes quickly and effectively with as little disruption to business as possible. We can handle any contentious issue, wherever in the world it may occur, and we can advise on regulatory investigations and criminal matters involving bribery and corruption, cartels and antitrust, fraud, data and cybersecurity breaches and tax, among other areas. 

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