Navigating International Tax Obligations: The Role of an International Tax Advisor, 1040 IRS, and US Taxpayers Party

For US expatriates residing in the UK, understanding and managing international tax obligations is essential. In this article, we explore the significance of having an ‘international tax advisor,’ the ‘1040 IRS’ form, and the role of the ‘US Taxpayers Party.’ These elements are crucial for US expats to ensure compliance with the US tax system. To guide you through this intricate process, we introduce Xerxes Associates LLP, a team of US and UK tax advisors with expertise in international taxation.

The Importance of an International Tax Advisor

An ‘international tax advisor’ is a professional who specialises in helping individuals navigate the complexities of taxation when they have financial interests or obligations in more than one country. For US expatriates living in the UK, international tax advisors play a vital role in ensuring that they remain compliant with both US and UK tax laws.

Key services offered by international tax advisors:

  • Tax Planning: International tax advisors can help expats develop strategies to minimise their tax liability while complying with all relevant tax regulations.

  • Compliance Assistance: They provide guidance on the accurate and timely filing of tax returns, including the ‘1040 IRS’ form.

  • Asset Protection: International tax advisors can offer solutions to protect your wealth and investments across borders.

Understanding the ‘1040 IRS’ Form

The ‘1040 IRS’ form is the standard individual income tax return used by US taxpayers to report their income and calculate their federal tax liability. For US expats living in the UK, filing a 1040 IRS form is a requirement to report their worldwide income, ensuring they are compliant with the Internal Revenue Service (IRS).

Key points about the 1040 IRS form for expats:

  • Reporting Worldwide Income: US expats must report income from all sources, both in the US and abroad.

  • Foreign Tax Credits: Expats may be eligible for foreign tax credits to avoid double taxation.

  • Filing Deadlines: The filing deadline for US expats is typically June 15th, with the possibility of an extension through ‘IRS Form 4868.’

The Role of the ‘US Taxpayers Party’

The ‘US Taxpayers Party’ is not a formal political party, but rather a concept that emphasises the importance of US taxpayers’ rights and responsibilities. It encourages taxpayers to stay informed, participate in the tax process, and seek professional assistance when necessary.

Key aspects of the US Taxpayers Party:

  • Advocating for Taxpayer Rights: It promotes the fair and just treatment of taxpayers by tax authorities.

  • Taxpayer Education: The US Taxpayers Party encourages taxpayers, including expats, to understand their tax obligations and stay informed about changes in tax laws.

  • Seeking Professional Guidance: The party recognizes the significance of hiring professionals, such as international tax advisors like Xerxes Associates LLP, to navigate complex tax matters.

Xerxes Associates LLP: Your Trusted International Tax Advisors

Navigating international tax obligations, the ‘1040 IRS’ form, and understanding your role as a US taxpayer can be a complex process for US expats in the UK. Xerxes Associates LLP, a team of US and UK tax advisors, specialises in providing comprehensive support and guidance to ensure that you meet your tax obligations efficiently and effectively.

Services offered by Xerxes Associates LLP:

  • Tax Planning: The experts at Xerxes Associates LLP can help you develop a tax-efficient strategy that considers both your US and UK tax obligations, ultimately reducing your tax liability.

  • Compliance Assistance: Xerxes Associates LLP ensures you remain compliant with both US and UK tax laws, helping you avoid potential penalties and interest.

  • Expert Guidance: Their team of international tax advisors can offer tailored advice to meet your specific financial situation.


Understanding the role of an ‘international tax advisor,’ the ‘1040 IRS’ form, and your responsibilities as a US taxpayer is essential for US expatriates residing in the UK. These aspects can be complex, but with the expertise of Xerxes Associates LLP, you can receive tailored guidance to ensure compliance and minimise your tax liability. Don’t let the intricacies of international taxation overwhelm you; seek professional assistance and ensure a smooth and stress-free tax filing process.

Contact us via or fill out our contact form to discuss your expat tax situation with us.

Read more here: Xerxes US Expats Living & Working in the UK Blog.