

Tax Litigation and Investigations
In the increasingly complex and international area of tax legislation and practice, Allen & Overy’s global team of experts supports businesses in the full range of high-end cross-border disputes and investigations.
Our advice on all aspects of corporate, commercial, VAT and finance tax is designed to avoid disputes, but we are ideally placed to provide support when, or even after, various issues with revenue authorities arise.
A&O advises a broad range of clients on tax compliance and tax-related disputes and investigations, with particular experience of advising financial institutions. We handle litigation before national and international courts and specialist tax tribunals, including Corporation Tax and VAT disputes, and we liaise with tax authorities and advise on all issues associated with enforcement proceedings.
What sets us apart is our deep experience in handling cross-border transactions, with tax teams in our international offices enjoying strong relationships with local revenue authorities to support the smooth resolution of disputes for the benefit of all parties.
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News & insights

Publications: 16 May 2022
20 Questions for Qualifying Asset Holding Companies (QAHCs)
Finance Act 2022 has introduced a new regime for qualifying asset holding companies (QAHCs).

News: 16 May 2022
Allen & Overy advises the lenders on the acquisition of Haemotronic by GVS
Allen & Overy has advised a pool of lending banks on financing for the acquisition of the Haemotronic Group by GVS S.p.A.

Blog Post: 20 September 2021
Common mistakes in eDiscovery and how to avoid them
eDiscovery mistakes made during an investigation can add unnecessary delay, cost and, at worst, impact the quality and nature of evidence available. With the right knowledge and planning, these…