Sigma Healthcare Limited operates as a retail pharmacy franchisor and pharmaceutical wholesale and distributor to community pharmacies in Australia, and internationally. It is involved in the wholesale distribution of pharmaceutical, medical, healthcare and beauty products to a network of franchised retail pharmacies, and other third parties; advertising and marketing services; and provision of support services to a network of retail pharmacies. The company also provides MPS Connect, a end-to-end medication management solution. The company operates stores under the Chemist Warehouse, Amcal, and Discount Drug stores, and PriceSave brand names. It also offers products online. The company was founded in 1912 and is headquartered in Preston, Australia.