text: Sigma Healthcare
  
  Sigma Healthcare Limited is a full line wholesale and distribution business to pharmacy. It is also the owner of Australian pharmacy retail brands: Amcal Max, DDS, Amcal and Guardian. Guardian should not to be confused with the East Asian pharmacy Guardian.
  
  2010 restructure 
  Sigma restructured in 2010, disposing of its generic drug manufacturing business.
  On May 3, 2017, Sigma board of directors and shareholders voted on a change of name to Sigma Healthcare Limited. The publicly listed company also change the ASX ticker from SIP to SIG at this time.
  
  Financial performance 
  The company's sales revenue grew 1.1 percent to $3 billion in 2013-14, while net profit climbed 187 percent to $53.5 million.
  
  Mergers & acquisitions 
  In March 2014, Sigma acquired Central Healthcare Services, in a deal worth $24.5 million. In September 2014, the company bought the Queensland-based Discount Drug Store (DDS) banner for $26.7 million. The DDS acquisition was set to add 120 pharmacies under that brand to the Sigma network.
  
  2010 trading halt 
  In 2010, Sigma shares were placed in a trading halt on the Australian Stock Exchange – initially due to a profit warning. Since then, allegations of accounting irregularities and preferential deals negotiated with certain pharmacy chains (at the expense of smaller independent chemists) that left Sigma losing money at the expense of their own Amcal and Guardian Pharmacies banners and forsaking cashflow emerged. The trading halt was lifted later that year. The events resulted in the initiation of a shareholder class action before the  Federal Court of Australia.
  
  References
  
  External links
  
  Official Amcal Website
  
  Category:Pharmaceutical companies of Australia
  Category:Pharmaceutical companies established in 1912
  Category:Australian brands
  Category:1912 establishments in Australia
  Category:Business services companies established in 1912
  Category:Companies listed on the Australian Securities Exchange