
SIG
Sigma Healthcare
Sigma Healthcare is a leading Australian retail pharmacy franchisor and full-line pharmaceutical wholesaler and distributor. They support a large retail network of franchised pharmacies, including Chemist Warehouse, Amcal, and Discount Drug Stores. In February 2025, Sigma merged with Chemist Warehouse Group, combining Sigma's distribution infrastructure with Chemist Warehouse's retail expertise.
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Company Overview
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Sigma Healthcare is a leading Australian retail pharmacy franchisor and full-line pharmaceutical wholesaler and distributor. They support a large retail network of franchised pharmacies, including Chemist Warehouse, Amcal, and Discount Drug Stores. In February 2025, Sigma merged with Chemist Warehouse Group, combining Sigma's distribution infrastructure with Chemist Warehouse's retail expertise.
Company History
Sigma Healthcare's origins trace back to Melbourne in 1912. Over the years, it has evolved into a nationwide network servicing community pharmacies. A significant milestone was the February 2025 merger with Chemist Warehouse Group. This merger expanded their reach, including partial ownership of retail pharmacies in New Zealand, Ireland, and Dubai, with further expansion planned in China.
Competitive Advantages
Sigma Healthcare possesses a large network of franchised pharmacies across Australia, providing a significant distribution channel. Their merger with Chemist Warehouse Group enhances their retail capabilities and market position. They also have a national hospital services business and third-party logistics services.
Risk Factors
- •Integration risks associated with the Chemist Warehouse Group merger
- •Changes in government regulations affecting pharmaceutical pricing and distribution
- •Competition from other pharmaceutical wholesalers and distributors
Recent Developments
Last 6 months
In February 2025, Sigma merged with the Chemist Warehouse Group (CW).
Key People
Leadership team at Sigma Healthcare

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Mr. Vikesh Ramsunder B.Com.
CEO, MD & Director
Mr. Mark Conway B.Com., M.B.A.
Chief Financial Officer
Ms. Kara McGowan A.C.I.S., L.L.B.
Company Secretary & General Counsel
Mr. Gary Woodford
Head of Corporate Affairs