references to primary sources . please improve this by adding secondary or tertiary sources . december 2006 learn how and when to remove this template message sigma pharmaceuticals limited type public company asx sip industry pharmaceuticals founded 1912 in melbourne australia headquarters rowville victoria australia area served worldwide key people brian jamieson chairman mark hooper ceo & managing director products prescription over the counter and generic pharmaceutical products revenue a 3 billion net income a 53.5 million number of employees 850 subsidiaries amcal amcal max guardian pharmacies central healthcare services discount drug store dds website sigmaco.com.au sigma pharmaceuticals limited is a full line wholesale and distribution business to pharmacy . it is also the owner of australia s best known pharmacy retail brands amcal max dds amcal and guardian . guardian should not to be confused with the east asian pharmacy guardian . contents 1 2010 restructure 2 financial performance 3 mergers & acquisitions 4 2010 trading halt 5 references 6 external links 2010 restructure edit sigma restructured in 2010 disposing of its generic drug manufacturing business . 1 financial performance edit 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 . 1 mergers & acquisitions edit 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 . 1 2010 trading halt edit 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 2 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 3 and forsaking cashflow emerged . 4 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 edit a b c sigma extends retail brands with dds acquisition for 26.7 mn . sydney sun . 8 september 2014 . retrieved 8 september 2014 . subdued seven eyes licence fee rebates 1 picture looks bleak for telstra external links edit official sigma pharmaceutical website retrieved from https en.wikipedia.org w index.php title sigma pharmaceuticals & oldid 734154117 categories pharmaceutical companies of australiacompanies established in 1912australian brandshidden categories engvarb from september 2013use dmy dates from september 2013articles lacking reliable references from december 2006all articles lacking reliable references navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 12 august 2016 at 14 07 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view