An Australian branch of an international cleaning company has been fined over $170,000 after numerous complaints from staff employed at the Melbourne Cricket Ground were received by the Fair Work Ombudsman.

Ombudsman investigators were examining exploitation of overseas workers employed at the MCG and found 11 staff were underpaid over $37,000 for cleaning work after several football matches throughout 2014.

The staff were employed through counterfeit contracts under the premise of being ‘independent contractors.’