March 31 last was a sad day at 6, rue Eugène Ruppert in Luxembourg. The suburban office park hosts the local country office for Intertrust, a global fiduciary group headquartered in Amsterdam and specialised in establishing tax-efficient corporate structures for multinationals, from Goldman Sachs’s Dublin-based vulture fund operation to beef baron Larry Goodman’s business interests across food processing, private healthcare and property. Three companies located at Intertrust’s address ceased to exist at the end of March: Silverbirch Investments SA, its subsidiary Aburg SARL, and Aburg’s subsidiary Parlesse Investments SARL. None of them had employees. They were merged into a new…