Resources · Guides
US–UK tax guides
Longer-form, step-by-step guides for people who file in both the US and the UK, alongside side-by-side comparisons of the reliefs, reports and routes that most often get confused. Each guide is written by our team and reviewed for IRS or HMRC accuracy, and links to the calculators, forms and glossary terms it relies on.
Step-by-step
Guides
Worked-through explanations of a single topic, from first principles to what to actually do.
US–UK tax deadlines calendar
The key US and UK tax deadlines in one place: IRS filing and the automatic expat extension, FBAR, UK Self Assessment, payments on account and Corporation Tax — for anyone filing on both sides of the Atlantic.
Read the guideCatching upDelinquent FBAR: how to file late FBARs the right way
A step-by-step guide to catching up on missed FBARs from the UK: the Delinquent FBAR Submission Procedures, reasonable cause, and when Streamlined Filing is a better fit.
Read the guideSide by side
Comparison guides
Two things that sound alike, set out next to each other so you can see which one applies to you.
FBAR vs Form 8938
FBAR and Form 8938 are two separate US foreign-account reports. Learn who files each, how they differ, and why many Americans in the UK must file both.
CompareFEIE vs Foreign Tax Credit
The Foreign Earned Income Exclusion and the Foreign Tax Credit are two different ways to avoid double taxation. Learn how each mechanism works, who each suits, and how they interact for Americans in the UK.
CompareStreamlined Filing vs Delinquent FBAR
Streamlined Filing and the Delinquent FBAR submission procedures are two different IRS catch-up routes. Learn which fits your situation as an American in the UK.
CompareForeign Tax Credit vs the US–UK tax treaty
The foreign tax credit and the US–UK tax treaty are different tools for avoiding double taxation. Learn how they work and how they interact for Americans in the UK.
CompareUS tax return vs UK tax return
US and UK tax returns work on different principles — citizenship-based vs residence-based taxation. Learn how the two systems differ for Americans in the UK.
CompareKeep going
More resources
Insights & articles
Plain-English articles on US expat tax, UK accounting and cross-border planning.
ExploreIRS forms library
Plain-English explanations of the key US information returns for expats and dual filers.
ExploreCalculators & tools
Interactive estimators for double taxation, FBAR, residency and more.
ExploreGlossary
Clear definitions of the US and UK tax terms that matter — FBAR, FEIE, SRT, PFIC and more.
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