LAWYER PROFILE

Lydia Challen

Europe 2026

A&O Shearman

Ranked in 1 practice area

Tax

14 years ranked

About

Provided by A&O Shearman

Practice Areas

Lydia specialises in all aspects of corporate tax, including M&A, corporate reorganisations and private equity tax. She regularly advises multinational corporate groups in relation to their tax affairs and on structuring issues.

On the transactional side, she has extensive experience of advising in relation to disposals by public and private companies, complex financings (including restructurings) and corporate reorganisations.

She co-chairs the Tax Committee of the Law Society of England & Wales. She is a regular contributor to consultations with HM Revenue & Customs and the UK Treasury on the development of legislation and tax policy.

Chambers Review

Provided by Chambers

Chambers European Guide

Tax - UK

Band 1

Individual Editorial

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.

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Strengths

Provided by Chambers

Lydia is excellent. She is very thorough, very diligent and very good.
TaxChambers European Guide
Lydia is truly fantastic. She is extremely clever, quick and creative, but also very practical and commercial. She is a pleasure to work with.
TaxChambers European Guide
Lydia is very sharp and provides clear advice on complex tax matters.
TaxChambers European Guide