The scourge of unpaid invoices threatening the survival of small and medium sized businesses is an international problem. In Australia, things have got so bad that some companies are turning to desperate debt collection methods to try to recover money owed to them.

As a new report revealed that the average Australian business is typically owed £23,000 in outstanding invoices, one industry spokesman suggested hard pressed firms are ready to return to an old and infamous solution - biker gangs.