The Estonian subsidiary of Denmark’s largest bank may have laundered more than double the amount of dirty money than first thought, according to reports.

Danish newspaper Berlingske reported that as much as DKr53bn (U.S. $8.3 billion) of suspicious funds are likely to have flowed through Danske Bank’s Estonian branch between 2007 and 2015. The bank had previously estimated that only DKr25bn of dubious money from sham companies in countries that included Russia, Azerbaijan, and Moldova had been funnelled through its Estonian operations.

Neil Hodge is a freelance business journalist and photographer based in Nottingham, United Kingdom. He writes on insurance and risk management, corporate governance, internal audit, compliance, and legal...