US Tax Specialists in London

US Tax Specialists in London

Xerxes Associates LLP is an expert team of experienced US and UK tax accountants and advisors based in London. We specialise in meeting the needs of private clients and their businesses.

We offer a cost-effective tax advisory service for US citizens and residents from our London offices. Our US tax department is overseen by our certified agents who provide a specialised service for their clients, handling their tax returns and helping them manage their U.S. taxation responsibilities.

We understand there are a range of issues clients require assistance with including:

  • – Completion of individual Federal US resident and non-resident tax returns (Form 1040 and Form 1040NR).
  • – Streamlined filing for delinquent filers.
  • – Preparing expatriation returns.
  • – Preparing and submitting Foreign Bank Account Reports (FBAR) forms.
  • – Completion of State Tax Returns.
  • – Planning for moving to or from the US.
  • – Planning of UK/US profit extraction from companies including the resolution of both the Repatriation Tax and the GILTI Tax.
  • – Claims for Foreign Earned Income deductions.
  • – Claims for Foreign Tax Credits.


Whether simple or complex, we can provide a clear quote and timeline specifically designed to your needs that will ensure you are fully compliant. Our tax advisors are double-qualified in UK and US tax, so are able to assist with both UK and US tax affairs. They can also provide expert advice on tax efficient structures designed to minimize exposure to UK and US tax, as well as reduce double taxation.

Tax complications can have a dramatic effect on your wealth, so it’s important to have a good understanding of the area you plan to explore. When there are competing tax systems like those between your home country USA and the UK, the situation is only further complicated as it opens up opportunities for tax evasion as well as fraud.

Whether you’re a start-up entrepreneur, a wealthy family with complex affairs, or an employed executive, our dual-qualified team of tax advisers will look after your personal tax affairs as well as those of your business. We have been helping our clients manage their tax affairs for over 10 years now and have built up the expertise to assist with the most complex returns and high net worth individuals and families.

If you have a query or would like a friendly no obligation chat about your requirements then please get in touch and we shall be happy to assist you.