Bangladesh, Oct. 18 -- The world of offshore finance has once again come under scrutiny after leaked corporate records reportedly exposed how Deloittes Cyprus operation and its former affiliate, MeritServus, helped Russian billionaire Roman Abramovich restructure financial records to conceal billions of dollars in assets and potentially evade millions in taxes. The findings, uncovered by a joint investigation by The Bureau of Investigative Journalism (TBIJ) and BBC Panorama, raise serious questions about the role of major professional services firms in maintaining the financial secrecy of powerful oligarchs.

The investigation, based on hundreds of thousands of leaked files, alleges that financial advisers repeatedly backdated documents, ...