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Dual Citizenship Thailand × United Kingdom
Status: Allowed
Quick Answer
Fully allowed — the UK imposes no renunciation and Thailand permits retention.
Traps to watch
- ⚠️ Domicile-based IHT: UK domicile triggers 40% inheritance tax worldwide until domicile changes
- ⚠️ From 2025 UK abolished non-dom regime — UK residents > 4 years face worldwide tax
- ⚠️ British National (Overseas) BN(O) from Hong Kong isn't full British citizen — 5-year path needed
- ⚠️ UK passport renewal via HM Passport Office online — £101 (adult 34-page)
Taxation
Residence-based (Statutory Residence Test) · Away from UK > 183 days = non-resident
Military
No conscription (all-volunteer)
Renunciation
£372 + Home Office declaration — possible but unnecessary
Typical clients
Thai-British families, retirees seeking NHS access, entrepreneurs using UK LLPs
Other countries
Consult: 083-249-4999 · LINE @NYC168 · contact@ilc.ltd
Consultation THB 8,500 · Full-service THB 55,000–185,000