Bilateral Treaties

US-UK Double Taxation Agreement (DTAA) & 401k/IRA Taxation

Claiming tax relief under the US-UK Tax Treaty Article 18 (Pensions), Article 24 (Relief from Double Taxation), and avoiding US PFIC traps with UK ISAs.

Key Statutory Thresholds & Rules (2025/2026)

HMRC Compliance & Tax Planning Checklist

  • Verified against GOV.UK Statutory Tax Guidance and HMRC Finance Act updates.
  • Applies to UK tax year: 6 April 2025 – 5 April 2026.
  • Self-Assessment deadlines: 31 October (Paper) / 31 January (Online).