About

Provided by A&O Shearman

A&O Shearman’s UK tax practice advises on complex domestic and international tax matters across the full range of corporate and financing transactions. The team has extensive experience advising on the tax aspects of public and private M&A, joint ventures, capital raisings, capital markets and structured finance transactions, as well as private equity, funds and other private capital investments, real estate transactions and restructurings.

Sitting at the centre of the firm’s global platform, the London tax team regularly leads sophisticated, multi‑jurisdictional mandates, working closely with colleagues across Europe, the U.S. and Asia to deliver integrated, commercially focused tax advice on high‑value cross‑border transactions. The practice acts for multinational corporates, leading private capital sponsors and institutional investors, and tier‑one financial institutions on matters spanning the full deal and business lifecycle.

The team is also at the forefront of advising clients on the implications of evolving international tax frameworks, including OECD Pillar Two, supporting multinational groups and financial institutions in navigating increased complexity, regulatory change and global tax reform. Clients value the team’s ability to combine deep technical expertise with a pragmatic, commercial approach, particularly on transactions involving multiple tax regimes and jurisdictions.

Chambers Review

Provided by Chambers

Tax - London (Firms)

2
Band 2

What the Team is Known For

A&O Shearman has a strong reputation across a broad range of corporate tax work, including matters relating to M&A, capital markets and real estate. The team is renowned for its work with both banks and corporations on domestic and cross-border matters. Its large international network allows the team to service clients at a global level.

Work Highlights

  • A&O Shearman advised Lone Star regarding its partnership with Ares Management on a £755 million preferred equity investment into Quintain.

Strengths

Provided by Chambers

Notable Practitioners

Provided by Chambers

Lydia Challen
1
Lydia Challen
1
Band 1
Lydia Challen has a strong tax practice that sees her advising clients in the financial services sector on a range of challenging transactions. She regularly works with banks, insurance companies and investment managers.

Lydia is excellent. She is very thorough, very diligent and very good.

Lydia is very sharp and provides clear advice on complex tax matters.

Lydia is truly fantastic. She is extremely clever, quick and creative, but also very practical and commercial. She is a pleasure to work with.

James Burton
2
James Burton
2
Band 2
James Burton is recognised for his work on corporate and real estate-related tax issues. He works for clients including investors and investment funds on issues such as real estate acquisitions.

James is practical and fantastic to work with. He is really good at taking complicated concepts and explaining them to me in straightforward way.

James provides excellent advice.

Charles Yorke
4
Charles Yorke
4
Band 4
Charles Yorke frequently works for large clients in the banking sector on financing transactions. In addition to his deal work, Yorke also assists clients facing investigation by HMRC.

Charles is very responsive, creative and commercial. He's very smart and extremely proficient technically.

Christopher Harrison
5
Christopher Harrison
5
Band 5

Christopher Harrison is global head of A&O Shearman's tax practice. He is well known for handling the tax aspects of corporate restructuring, refinancing and acquisitions.

Ranked Lawyers at
A&O Shearman

Provided by Chambers
Filter by
Band

London (Firms)

Tax

Lydia Challen
1
Lydia Challen
1
Band 1
Charles Yorke
4
Charles Yorke
4
Band 4
Christopher Harrison
5
Christopher Harrison
5
Band 5
Tax: Real Estate

James Burton
2
James Burton
2
Band 2