Lydia Challen
Partner
London
Lydia Challen
Partner
London
Contact Details
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.
Lydia is ranked as a Leading Individual in Legal 500’s category, Corporate Tax 2021/22.
"Very knowledgeable, smart and straight to the point." Chambers & Partners, UK.
"A joy to work with and exceptionally good." Chambers & Partners, Europe.
Expertise
Practices
Qualifications
Professional
Admitted as barrister, England and Wales, 1995
Admitted as solicitor, England and Wales, 2007
Academic
Bachelor, University of Cambridge, 1993
Master, Oxford University, 1994
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News: 24 December 2021
A&O advising Reckitt on the proposed sale of E45
Allen & Overy is advising Reckitt Benckiser Group plc (“Reckitt”) as it enters into an agreement for the proposed sale of its E45 brand and related sub-brands to Karo Pharma (“Karo”) for an implied…
Publications: 04 June 2021
Global Tax Insights: Uncertain tax positions: preparing for further tax disclosure
Publications: 12 January 2021
Brexit certainty at last? An overview of the new EU-UK trading relationship
Expertise
Practices
Qualifications
Professional
Admitted as barrister, England and Wales, 1995
Admitted as solicitor, England and Wales, 2007
Academic
Bachelor, University of Cambridge, 1993
Master, Oxford University, 1994
Fraudulent emails
Please note there is a known fraud/scam currently using the Allen & Overy brand and Lydia Challen's name.
More information on fraud using the Allen & Overy brand can be found here.
