Australian Taxation Office: http://www.ato.gov.au/
Australian Securities & Investment Commission (ASIC): http://www.asic.gov.au/
Australian Business Register: http://www.abr.gov.au/
Centre Link: http://www.centrelink.gov.au/
Australian Stock Exchange http://www.asx.com.au/
CPA Australia http://www.cpaaustralia.com.au/
ICAA http://www.charteredaccountants.com.au/