Here are some useful links and resources:
Australian Securities & Investments Commission - Look up company names  here:  www.asic.gov.au

Australian Securities & Investments Commission - WA Business Names Register:  http://www.asic.gov.au/business-names

Australian Government gateway to business information:
www.business.gov.au

The Small Business Development Coorporation WA
www.small business.wa.gov.au

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