US Citizens

US citizens and dual nationals resident in or moving to the UK

Non-US Citizens

Non-US citizens and Green Card holders with US income

Meet the Team

Our experts are dual-qualified, in-house and here to help

Tax for Non-US Citizens

For non-US citizens and Green Card holders, including brokers, living in the UK with US investments or income, we help you stay on top of your obligations and plan confidently for the future – ensuring your finances are not only in order but working in your favour.

 

Our Services

From tax returns to guidance on relocation, investments, and life’s changing circumstances, our US–UK tax experts take the time to understand your needs – delivering tailored solutions that make the systems work for you, every step of the way.

US Personal Tax Returns

Even if you live outside the US, you still need to file an annual US tax return. We guide you through the process with clarity and confidence.

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UK Personal Tax Returns

US citizens living in the UK may need to file an annual HMRC return. We make sure you’re compliant and feel at ease throughout.

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Business Tax Planning

We take care of your US and international business tax filings, helping you avoid double taxation and ensuring seamless compliance.

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Business Tax Returns

We take care of your US and international business tax filings, helping you avoid double taxation and ensuring seamless compliance.

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Relocation Tax Planning

Moving to the UK or returning to the US brings tax implications for buying, selling, or renting property. We help you make the right moves.

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ITIN & Renewals

Non-US citizens who need to file US tax returns must have an ITIN. We assist you with the application and renewal process, step by step.

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Inheritance Tax Planning

Understanding US and UK inheritance tax rules protects your legacy. We help you plan thoughtfully, so your loved ones benefit fully.

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Divorce Tax Planning

Divorce is never easy. We provide clear guidance on the tax and financial implications, especially for international couples.

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If you have any questions or concerns about US tax, give us a call.
020 7731 6163Request a callback

Filing deadlines

Filing Deadlines

US and UK tax years differ, each with important deadlines. We stay on top of them so you don’t have to.

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Client testimonials

“ I am extremely happy with the services of Warrener Stewart. We have a team of people supporting us and everything runs smoothly and swiftly. ”

WSA Tax Customer

Get in touch

Whatever your circumstances, our experts are ready to discuss your needs and explain how we can support you. Call us, send an email, or use the contact form – a member of our team will be in touch.

Phone

+44 (0)20 7731 6163

Email

info@wsatax.com