Have You Filed Your US Tax Returns?
US Expat Deadline
Specialist US Tax Support – Wherever You Are
USTAXFS is the largest boutique tax accounting firm in the UK and Europe specializing in US and US/UK tax. With offices in London, Zurich, and Geneva – and clients in over 30 countries – we’ve spent over 35 years helping individuals, funds, trusts, and corporations navigate US tax complexity with clarity and confidence.
We do this by investing in top talent and empowering our specialist teams of US tax accountants, dual US/UK tax professionals, and US attorneys to deliver the world-class service you can rely on.
Why Choose USTAXFS
We provide clear guidance and hands-on support for Americans living in the UK and across Europe – from annual filings to long-term planning.
- US/UK Tax Expertise
Our team understands how HMRC and the IRS treat your income, investments, pensions, property, and trusts – and how to manage obligations across both systems.
- Boutique Service, Cost-Effective Advice
We deliver expert support tailored to your situation – with the flexibility, responsiveness, and value that larger firms can’t always provide – at more attractive rates than the big corporates or US-based firms.
- High-Level Expertise
We invest in talent and professionalism, attracting highly knowledgeable tax specialists, including US tax accountants and attorneys, with past experience drawn from high profile firms.
Get In Touch Today
Helping You Stay Compliant – and in Control
Whether you need to file this year’s return or plan more effectively for the future, we provide clear, customised support and strategic insight, tailored to your personal circumstances. We can support with:
Annual Filing & Tax Compliance
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- US Federal & State returns (Forms 1040, 1040NR)
- UK Self-Assessment returns (SA100)
- Coordination of US/UK dual filings
- Application of foreign tax credits and treaty relief
- Reporting of overseas assets, pensions, and trusts (FBAR, Form 8938)
Support for Late Filers
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- Guidance for Streamlined Foreign Offshore Procedures
- FBAR and missed form reporting
- Voluntary disclosure options
- Strategies to reduce penalties and catch up compliantly
Late Filers & Streamlined Help
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- Streamlined Foreign Offshore Procedures
- Delinquent FBAR and Form 8938 filing support
- IRS Voluntary Disclosure guidance
- Bringing clients back into full US tax compliance
- Strategies to reduce penalty risk
Personal Tax Planning & Advisory
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- Advice on cross-border income, property, pensions, and investments
- Trust and estate planning across the US and UK
- Inheritance and gifting strategies
- Exit tax calculations and expatriation planning
- Support for dual-status and non-resident filings
Trusts, Estates & Family Offices
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- US/UK advice for trustees, settlors, and beneficiaries
- Pre-residency structuring for internationally mobile families
- Trust reporting (Forms 3520, 1041, 706) and charitable planning
- Advice on UK ownership of US assets
Support for Entrepreneurs & Business Owners
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- Advice on tax-efficient cross-border structures
- Reporting for foreign corporations and partnerships (Forms 5471, 8865)
- Planning around CFCs, GILTI, and profit extraction
- Expansion strategy for UK/US business activity
Why Planning Ahead and Staying Compliant Matters
With increased global reporting, staying organised and compliant is more important than ever.
We help you stay ahead of tax changes, avoid penalties, and keep your cross-border finances on track, so you can plan with confidence.
- Financial institutions may request evidence of compliance
- Delays can affect mortgages, investments, or transfers
- Missed elections or incorrect filings may result in unnecessary tax exposure
We are multilingual and can offer you services in the following languages:
Contact Our US Tax Specialists in the UK.
Make sure your US tax returns are filed accurately and on time. Complete the form below to arrange your confidential, introductory call with one of our experts.