US & UK tax accountants in London and UK


Xerxes Associates LLP is a team of expert specialist US & UK tax advisers based in London, with over ten years of valuable experience. As US and UK tax accountants, we provide a professional, responsive, personalised service to all US and UK expats.


We work closely with US and UK expats from all different backgrounds, circumstances and occupations as well as high-net worth individuals in order to help them through the complexities of US and UK tax compliance requirements.


As UK & US Tax Accountants, Xerxes Associates LLP offer more than just the basic advisory and tax return preparation services. We also offer all of the required key services to expats in both the United States and United Kingdom.


Xerxes Associates LLP are reputable US UK tax consultants that specialise in US UK tax consulting services. Our US tax consultants in the UK understand the complexities of UK Tax and have expertise to assist individuals with all their US tax consulting needs. Additionally, our team of US-UK tax consultants have a deep and all round understanding of the tax systems of both countries, which allows us to provide our clients with an efficient service.

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    US & UK Tax Accountants In London & UK

    As part of our US & UK expat services, we offer the following tax services, along with a bespoke service tailored to your individual needs.

    We provide comprehensive guidance and support for US citizens living in the UK. Our team of London-based US tax advisors are dedicated to helping you navigate the complexities of the US and UK tax systems.

    Whether you need assistance with tax planning, compliance, or resolution of tax issues, our experienced US UK tax advisors are here to help. We offer personalised solutions tailored to your unique needs and circumstances.

    Looking for US UK tax advisors near you? We have a team of knowledgeable professionals located in London who are ready to assist you. Our tax advice for UK expats covers a wide range of topics, from filing US tax returns to minimising your tax liability.

    We understand that taxes can be overwhelming, especially when you’re living abroad. That’s why our US tax advisors in the UK are dedicated to providing clear, concise advice that will help you make informed decisions about your tax situation.

    Whether you’re a US citizen living in the UK or a UK expat in the US, our team of US UK tax advisors can help you navigate the tax system and achieve your financial goals. Contact us today to learn more about our US tax advice services.

    US Tax Return London

    Also included in our services are tax returns for US residents living and working in London, regardless of your industry or position. It couldn’t be easier to submit your US tax return from London with us.

    Xerxes Associates LLP provides expert guidance to clients with complex tax situations, including non-domicile tax, US taxes on foreign income, US taxes abroad, and more. Our team of experienced US tax consultants understands the unique challenges facing US citizens living in the UK and can provide tailored advice on US citizen living in UK tax, US citizen working in UK taxes, and dual US-UK citizenship taxes.

    If you need UK-US tax advice, we can help with that too. Our tax preparers online can provide assistance with tax preparation in both countries, including filing your US tax return online and tax return UK online. We also specialise in ITIN number application, Certified Acceptance Agent services, and Individual Tax Identification Number issues.

    As the next US tax return season approaches, it’s important to ensure you’re in compliance with all US tax laws. Our US Tax Accountant London team can assist with income tax preparation, filing US taxes while living abroad, and navigating taxation for US citizens living abroad. We can also connect you with an IRS Acceptance Agent who can assist with your US tax needs.

    At our tax advice service, we understand that tax preparation can be overwhelming, especially for those with complicated tax situations. That’s why we’re here to help with tax preparation UK and US tax London services. Contact us today to schedule a consultation with one of our expert tax preparers.

    US & UK Tax Consulting

    We understand that navigating the complex tax systems of US-UK tax matters of both countries can be overwhelming, which is why we offer specialised services to help you manage your tax obligations with ease.

    Our team of US-UK tax consultants brings years of experience to the table, providing customised solutions to meet your unique tax needs. Whether you require UK tax consulting or US tax consulting, we have the expertise to guide you through the process.

    Xerxes Associates LLP operate as US tax consultants in the UK and can assist with all US tax matters, including income tax preparation, tax planning, and compliance. We can also help with filing your US tax return while living in the UK, ensuring you remain in compliance with all US tax laws.

    Our UK tax consultants can assist with UK tax consulting, including tax planning, compliance, and other tax-related matters. Our team stays up-to-date with the latest UK tax laws and regulations, ensuring that you receive accurate and timely advice.

    At our tax advice service, we offer a range of tax consulting services, including tax consultants in the UK, US-UK tax consultants, and tax consultants UK. Our services are tailored to meet your specific needs, ensuring that you receive the support you require.

    US Federal & State Income Tax Returns

    US Federal & State Income Tax Returns

    We complete US Federal and State income tax returns as required by the IRS and State authorities by a team of experienced IRS Enrolled Agents, who understand all the complexities of expat tax preparation…

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    UK Self Assessment Tax Returns

    UK Self Assessment Tax Returns

    In addition to our comprehensive US individual tax compliance services, we also complete UK Self Assessment Tax Returns, with qualified ICAEW accountants as part of our growing team…

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    Consulting and Planning

    Consulting & Planning

    Require a bit more advice, perhaps in preparing for future moves, family or business changes? We offer a full range of consulting and planning services…

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    Even more

    Even more…?

    Be assured by expert assessment and confidentiality from our team of trusted partners. Discuss your circumstances by requesting a callback or contact us today…

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    US & UK Tax Updates

    Our Latest Articles

    In-Depth Overview of Xerxes Associates LLP’s Tax Services For US Expats

    In-Depth Overview of Xerxes Associates LLP’s Tax Services For US Expats

    Commonly Asked Tax Questions By US Expats Working In The UK

    Commonly Asked Tax Questions By US Expats Working In The UK

    UK & US Tax Accountants & Advisers

    UK & US Tax Accountants & Advisers: Xerxes Associates LLP

    The Benefits of Hiring a Tax Accountant for US Citizens Employed in the UK

    The Benefits of Hiring a Tax Accountant for US Citizens Employed in the UK

    Transparent US UK Tax Affairs & Voluntary Disclosure

    In light of the global development and implementation of information-sharing legislation (for instance, FATCA which mandates financial entities to disclose details about US account holders to the IRS)

    US Expat Taxes On Self-Employment And Social Security

    It’s common knowledge in the realm of expat taxation that U.S. citizens residing abroad encounter a range of unique tax challenges and opportunities. This holds particularly true for self-employed expats

    US Expat Tax Requirements In The UK

    Being an US expat in the UK can be very difficult – especially when you have to deal with the US tax process. Working with us makes it much easier! That’s why we are working hard to earn your trust. Our team works seamlessly, which means you only have to focus on what matters most – enjoying your overseas experience!

    We provide US/UK tax advisory services to individuals across a variety of sectors and industries. We provide sound advice from start to finish by providing expert tax-related compliance guidance and assistance in navigating complex situations related to your taxation. Xerxes Associates LLP specialises in meeting the specific needs of U.S. & UK citizens living abroad, and we have a team on hand to ensure that you comply with applicable tax laws

    US Expat Tax Services In UK

    Contact us

    Our market beating fee starts at £299 + VAT for UK Self Assessment Tax Return. Please call, e-mail us or use our contact form if you would like to discuss your requirements.

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