Expert US & UK Tax Advisors for Expats, Dual Citizens, and Families
Expert cross-border tax advice for US citizens in the UK, UK residents with US tax obligations, and internationally active businesses. As Expert US andUK Tax Advisors, we simplify IRS and HMRC compliance, provide double taxation relief, and deliver tailored solutions that protect your wealth and optimise your financial position across both countries.
About Us – US UK Tax Advisors
We are US UK Tax Advisors based in the UK, specialising in cross-border taxation for individuals and businesses with obligations in both the United States and the United Kingdom. Our team of experienced US UK tax accountants and advisors is dedicated to simplifying complex tax matters while ensuring full compliance with both IRS and HMRC regulations.
We work closely with US citizens living in the UK, UK residents with US tax obligations, expatriates, dual citizens, and internationally active businesses. From tax return preparation to double taxation relief, FATCA and FBAR reporting, and international tax planning, our services are designed to give you clarity and peace of mind.
At US UK Tax Advisors, we combine technical expertise with a personal approach. Our mission is to protect your wealth, optimise your tax position, and provide trusted guidance for all your cross-border tax needs.
Our People
At US UK Tax Advisors, our clients are at the heart of everything we do. We believe in building lasting relationships based on trust, clarity, and personal service. Every client is unique, and we take pride in providing tailored tax solutions that meet individual needs while ensuring full compliance with both IRS and HMRC regulations.
Our strength lies in our team of experienced US and UK tax experts. With deep knowledge of cross-border taxation, international compliance, and strategic tax planning, we work collaboratively to deliver the highest level of service. Whether supporting expatriates, dual citizens, or international businesses, our advisors are committed to simplifying complex tax matters and giving clients peace of mind.
Meet Our Team of Experts
Your Cross-Border Tax Experts at US UK Tax Advisors
Henry Simons
Tax Partner
Sal Tarar
Senior US & UK Tax Manager
David Foster
US Tax Manager
Emma Sinclaire
UK Tax Manager
Molly W.
US & UK Business Development Manager
Hannah Smith
Assistant Accountant
Our Approach
Our approach is built on trust, expertise, and a personal commitment to every client. As specialist US UK tax advisors, we go beyond standard compliance to form lasting relationships with the expatriates, dual citizens, and internationally active businesses we serve. We understand that cross-border tax situations are never straightforward—so our solutions aren ’t either. Instead, we provide clear, tailored tax advice that simplifies complexity and protects your financial future.
As trusted US and UK tax accountants in London, we ask our team to be proactive, precise, and client-focused in everything they do. In return, we invest in their growth—offering specialist training in IRS and HMRC regulations, double taxation relief, FATCA, and FBAR compliance. By combining technical excellence with a deep understanding of cross-border challenges, we empower our clients to make confident financial decisions and achieve lasting security across both the United States and the United Kingdom.
Key Industry Insights:
25+
Years of combined experience in US-UK cross-border taxation
Source: Internal Company Data 2024
500+
Clients successfully supported with their US-UK tax obligations
Source: Internal Client Records 2024
100%
Commitment to keeping our clients compliant and protected
Source: Our Promise to You
Our Services
US-UK Business Expansion
Virtual Finance Office
Accountancy
Business Structuring
Cross-Border Tax Planning
International Tax Compliance & Advisory
Why Choose Us – Specialist US UK Tax Advisors in London
Choosing the right tax advisor is essential when managing obligations in two countries. At US UK Tax Advisors, we specialise exclusively in cross-border taxation for the United States and the United Kingdom, giving our clients clarity, compliance, and confidence.
Our team of experienced US UK tax accountants combines in- depth knowledge of IRS and HMRC regulations with a proactive, personalised approach. From tax return preparation to double taxation relief, FATCA and FBAR reporting, and international tax planning, we deliver solutions that are precise, reliable, and tailored to your needs.
Clients trust us because we go beyond standard compliance. We simplify complex rules, protect your income from unnecessary taxation, and provide ongoing support that evolves with your circumstances. Whether you are a US citizen living in the UK, a UK resident with US tax obligations, or a business operating internationally, US UK Tax Advisors is the partner you can rely on for trusted cross-border expertise.
Get in Touch
Managing cross-border taxes doesn't have to be complicated. Whether you're a US citizen living in the UK, a UK resident with US tax obligations, or a business operating internationally, our team of specialist US UK tax accountants in London is here to help.