A&O Shearman
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A&O Shearman specialises in corporate, financial, and real estate tax, with aptitude in both transactional support and general advisory work. The group benefits from the firm’s extensive international network, facilitating seamless cooperation across a range of complex global mandates. Christopher Harrison leads the London team, and is the firm’s global head of tax. Harrison is particularly adept in tax aspects of securitisations and capital market transactions. James Burton has a focus on the real estate sector, while Lydia Challen covers disposals, joint ventures, and financings, among other matters. Charles Yorke‘s emphasis is structured finance and debt capital markets transactions, with additional strength in contentious matters. Tim Harrop is a core team member, as is Esther Lemmon. Harrop is highly experienced in the private equity, infrastructure, and consumer fields, while Lemmon is focused on the private credit and financial institutions sectors.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Charles Yorke is excellent - he is a seasoned advisor and is technically proficient but also very practical in his approach.’
- ‘Technical expertise and intellectual rigour combined with a commercial and practical approach. The ability to use the combination of these skills to problem-solve sets them apart from other firms and results in a premium service.’
Key clients
- BCP IV UK Fuel Holdings Limited
- BNP Paribas
Work highlights
Advising Lone Star on its partnership with Ares Management in a GBP 755 million preferred equity investment into Quintain, the development and asset management company which owns and manages the Wembley Park estate in London.


