The Victorian president of the Comancheros outlaw motorcycle gang led efforts to conceal from authorities trucks and other assets at the centre of a multimillion-dollar fraud, a court has heard.

A Greek Australian part of the trucking company at the centre of the alleged fraud, Viking Group, was involved in the ‘severe bashing’ of a lawyer working for his ex-wife.

Police investigating the collapse of the Viking Group of companies have charged four persons so far.

Two other Greek Australians in the company, a 51-year-old woman and a 52-year-old man, were similarly charged in March.

They are due to face court on May 27.