A&O Shearman
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A&O Shearman’s practice combines commercial public law, judicial review, and public procurement expertise, advising regulated corporates, utilities, public bodies, and NGOs. The team handles a broad spectrum of issues, from ESG litigation risks and AI-related challenges to business and human rights matters. It has experience in large-scale disputes, regulatory appeals, and advising on procurement and due diligence. Andrew Denny, head of UK public law, regularly advises on judicial reviews, government decision-making, and freedom of information. Mahmood Lone, co-head and head of litigation and investigations, brings expertise in complex litigation. Maeve Hanna advises corporates, public bodies, and charities across a wide range of public law matters, including regulatory compliance and public sector engagement.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
‘It goes without saying that the team is an expert in public law issues. The team is also very responsive and listens to the aspects which are important to clients.'
‘Andrew Denny is extremely approachable and easy to work with. He knows his stuff and gives clear, confident advice.’
Key clients
- British Gas
- Revolut
Work highlights
Representing the family of an individual in an inquest concerning his death in August 2019 in a road traffic collision involving an American driver who was driving on the wrong side of the road.


