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TAX GUIDE|07 OCT 2025

A Complete Guide to Filing U.S. Taxes from the UK

A Complete Guide to Filing U.S. Taxes from the UK

Introduction

Filing U.S. taxes from the UK can seem daunting, but with proper guidance and understanding of the process, it becomes manageable. This comprehensive guide walks you through everything you need to know.

Key Filing Requirements

As a U.S. citizen or green card holder living in the UK, you must file a U.S. tax return annually if your income exceeds certain thresholds, regardless of where you live.

Important Deadlines

The standard deadline for filing is April 15th. However, U.S. citizens abroad typically receive an automatic two-month extension to June 15th.

Common Forms and Deductions

Learn about essential forms such as Form 1040, FBAR (FinCEN Form 114), and how to claim the Foreign Earned Income Exclusion (FEIE).

Next Steps

Contact our team of specialist tax advisors to ensure your return is filed correctly and you maximize available reliefs.

Ready to Get Started?

Our expert tax advisors are ready to help you navigate your cross-border tax obligations with confidence.

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