UK tribunal rules Addison Lee founder owes £20.5m in tax; non-dom claim rejected

The UK First-tier Tribunal rejected John Griffin's claim to non-domiciled status, ruling he owes £20.5m in tax. Griffin argued an Irish connection despite lifelong UK residence, but the tribunal found his domicile remained in England. The ruling reinforces HMRC's stance on non-dom claims and may have implications for other similar cases.