Bangladesh, March 23 -- Even as Western governments move to choke off the financial lifelines of Irans ruling elite, a sanctioned banker accused of bankrolling the regimes most feared military force has quietly secured a lavish foothold in Europe—hidden behind layers of corporate secrecy.

Ali Ansari, sanctioned by the United Kingdom for allegedly financing Irans Islamic Revolutionary Guard Corps (IRGC), is the concealed owner of a luxury villa in Marbella, one of Spains most exclusive coastal enclaves. The property, nestled within a gated community on the Costa del Sol, is not held in his name—but through a carefully constructed web of offshore entities and foreign identities.

Denials amid mounting scrutiny

British authorit...