Guides & articles
Written for intelligent non-specialists. Every technical guide carries its review date, relevant tax years and sources.
US Expat Tax
4 min read
Do I Still Have to File US Taxes if I Live in the UK?
Yes, usually — the US taxes by citizenship, not residence. Who has to file from the UK, what the deadlines really are, why most expats owe little or nothing, and what to do if you have missed years.
Learn more4 min read
FEIE or Foreign Tax Credit: Which Works Better in the UK?
Americans in the UK can shield income with the foreign earned income exclusion or the foreign tax credit — but not always both, and the choice is sticky. Why the credit often suits high-tax Britain, what revoking the FEIE commits you to, and why there is no universal answer.
Learn morePensions & Investments
4 min read
Why Is My ISA a Tax Trap as a US Citizen?
ISAs are tax-free to HMRC but invisible as a shelter to the IRS — and the funds inside a stocks and shares ISA are usually PFICs, taxed under a punitive US regime with heavy reporting. What the IRS sees, and what to check before you invest.
Learn more4 min read
What Happens to Your 401(k) When You Move to the UK?
You generally cannot transfer a 401(k) into a UK pension — but you can keep it, grow it and draw it from Britain. How the US–UK treaty treats withdrawals, why lump sums are different, and the decisions worth making before the first payment.
Learn moreTalk to a US–UK tax specialist
Tell us about your situation and we’ll explain your position across both systems — what you need to file, what you can plan around, and what it will cost.
Or call +44 20 8064 3580 — we’ll tell you honestly whether you need help.