James Arrowsmith

Senior Director
15+ years of US and UK tax experience 
Specializes in international private client taxation 
London
@alvarezmarsal
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James Arrowsmith is a Senior Director with Alvarez & Marsal Tax in London. He is a member of the private capital team and specializes in private client taxation. His primary areas of concentration are the taxation of US persons or US-connected persons around the world, UK residents, and internationally mobile clients.

With more than 15 years of tax experience, Mr. Arrowsmith has managed the taxation of high-net-worth (HNW) clients in the UK and Europe, inbound and outbound taxation of US/UK residents, and UK special tax regimes. He has worked with private clients across a range of industries, including asset management and owner-managed business.

Prior to joining A&M, Mr. Arrowsmith spent 11 years with the professional partners team of Frank Hirth in London (now part of EY), reaching the level of Senior Manager. He helped lead a practice focused on providing advisory and compliance services for HNW partners with US connections, ensuring their tax affairs were optimized with regards to UK tax, US tax (at federal and state levels), and third countries.  

Mr. Arrowsmith earned a bachelor’s degree in chemistry from the University of Bristol. He is an Enrolled Agent (EA) admitted to practice before the Internal Revenue Service (IRS), a Certified Acceptance Agent (CAA), and a member of the Chartered Institute of Taxation (CIOT).

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Tax residence status can provide individuals with welcome certainty concerning their UK residence status, but it is important not to underestimate the complexity of the rules.
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The 2024 Autumn Budget announcements confirmed that the proposed reforms to the taxation system for non-UK domiciled individuals will come into effect from 6 April 2025.
A&M Tax are proud to share that we were the winners of three awards at the Citywealth Future Leaders Awards 2024.
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