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Ranking tables

Tax (Expertise Based Abroad) | Global

USA

The Tax (Expertise Based Abroad) rankings table below has been designed to provide the most in-depth insights and reviews of the top ranked lawyers and law firms. The firms included in our rankings have been recommended by in-house counsel, other third-party experts and private practice lawyers. Our comprehensive research ensures you have all the information needed when looking to purchase legal services across USA.

France

Marco A Blanco Curtis, Mallet-Prevost, Colt & Mosle LLP

UK

Richard Cassell Withers

USA

Dyke Arboneaux Harrison LLP

France

Marco A Blanco
Curtis, Mallet-Prevost, Colt & Mosle LLP | Tax (Expertise Based Abroad)
2025 | Spotlight |
Marco Blanco co-chairs Curtis's tax group and is noted for his substantial knowledge of international tax mandates. He is primarily based in Geneva.
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UK

Richard Cassell
Withers | Tax (Expertise Based Abroad)
2025 | Spotlight |
Richard Cassell is an experienced tax practitioner based in London with substantial expertise in advising European clients on major cross-border tax mandates.
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USA

Dyke Arboneaux
Harrison LLP | Tax (Expertise Based Abroad)
2025 | Spotlight |
Dyke Arboneaux is frequently called upon to advise on cross-border transactions involving US tax issues. She splits her time between the USA and the UK.
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