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 Clients Choose USTAXFS
Our streamlined, end-to-end tax processes save you time, reduce complexity, and help you deliver better service to your investors and stakeholders.
- In Your Time Zone
Collaborate in real-time with our European-based US tax experts. No time zone delays.
- Deep Fund & Corporate Expertise
We understand the European environment, AIFMs, and fund structures, from €50m to €15bn in AUM.
- Smarter, More Cost-Effective
Experience the attention a boutique firm brings, paired with highly specialised advice, at more attractive rates than the Big Four or US-based firms.
US-Connected Private Clients, Funds & Partnerships, Corporates
Funds & Partnerships
- Structuring for US investors
- 1065 / K-1s
- PFIC statements
- EINs & CTB elections
- Partnership Representative Services
Corporate Transactions & M&A
- US buyer/seller tax implications
- Tax due diligence
- Structuring subsidiaries
- PE & VC investor compliance
- Permanent Establishment risk
Private Clients & Family Offices
- Tax planning & compliance
- Expatriation
- Advisory for trusts, estates & family offices
- Delinquent filings
- Real estate & pension reporting
Boutique Approach, Backed by Global Reach
Our multilingual teams include US tax accountants, UK tax advisors, and US attorneys, all focused on delivering responsive, informed support. As proud members of Geneva Group International (GGI) – the world’s second-largest global alliance of professional firms – we also tap into a trusted worldwide network to support your legal, audit, and cross-border needs.
How Can We Help?
Whether you’re a fund manager, advisor, CFO, or client-facing professional, David Lewis, our Corporate Development Director, can help you explore how we support:
- US investors in your fund
- Transatlantic M&A
- US expansions and structuring
- Private client planning and compliance