Starwin Products
Starwin Products was a Ghanaian pharmaceutical manufacturer and the first pharmaceutical company listed on the Ghana Stock Exchange.
Last updated August 31, 2026
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History
Starwin Products originated in 1960 as the Ghanaian branch of Sterling Products International. Its early development took place during a period when Ghana was building local industrial capacity and expanding domestic participation in manufacturing. In 1976, as part of the Ghanaian government's indigenization program, half of the company's stock was sold to Ghanaian entrepreneurs. This transaction shifted a substantial portion of ownership toward local investors while retaining the company's connection to the Sterling organization. A further corporate change occurred in 1987, when Sterling Products International was acquired by Kodak. After that transaction, Starwin Products emerged as a Ghanaian pharmaceutical company operating under its own name. The company manufactured branded pharmaceutical products for the Ghanaian market. Available descriptions identify eight brand-name products in its portfolio, including Rapinol, Asmadrin, Painoff, Paraking, milk of magnesia, and liver salts. The available reference material does not identify the remaining products or provide detailed information about manufacturing sites, sales volumes, or export activity. Starwin's corporate significance increased in the early 2000s. On January 13, 2004, it became a public limited liability company. In December of the same year, it was admitted to trading on the Ghana Stock Exchange. It was described as the first pharmaceutical company to be listed on the exchange and was included in the GSE All-Share Index. The listing positioned Starwin at the intersection of Ghana's pharmaceutical manufacturing sector and its developing public-equity market. The company remained an independently identified listed pharmaceutical business until a later consolidation of Ghana's domestic drug-manufacturing industry. By January 2020, Starwin Products Limited had merged with Dannex Limited and Ayrton Drug Manufacturing Limited. The three businesses combined under DAS Pharma, which was listed on the Ghana Stock Exchange. The merger ended Starwin's separate listed-company status and represents the latest major corporate event documented in the supplied references. Public information is insufficient to determine whether the Starwin name continued as an active consumer-facing product brand after the merger.
- 2020
Merger into DAS Pharma
[1]Starwin Products Limited merged with Dannex Limited and Ayrton Drug Manufacturing Limited to form DAS Pharma.
- 2004
Conversion to a public limited liability company
[1]Starwin became a public limited liability company on January 13, 2004.
- 2004
Ghana Stock Exchange listing
[1]Starwin was listed on the Ghana Stock Exchange in December and became part of the GSE All-Share Index.
- 1987
Sterling Products International is acquired by Kodak
[1]Following Kodak's acquisition of Sterling Products International, Starwin Products emerged under its own corporate identity.
- 1976
Local ownership increases under Ghana's indigenization program
[1]Fifty percent of the company's stock was sold to Ghanaian entrepreneurs.
- 1960
Ghana branch of Sterling Products International begins operations
[1]Starwin's business began as the Ghanaian branch of Sterling Products International.
Products and positioning
A Ghanaian domestic pharmaceutical manufacturer focused on branded medicines and over-the-counter health products, with historical importance as the first pharmaceutical company listed on the Ghana Stock Exchange.
Branded pharmaceutical medicine
Rapinol
Rapinol was one of the named branded medicines in Starwin Products' portfolio. The supplied references do not specify its active ingredients, therapeutic indication, formulation, launch date, or current availability.
Branded pharmaceutical medicine
Asmadrin
Asmadrin was identified as one of Starwin's branded pharmaceutical products. Available source material does not provide detailed product information or establish whether the product continued after Starwin's merger into DAS Pharma.
Pain-relief medicine
Painoff
Painoff was a named Starwin product associated with the company's branded medicine portfolio. The supplied sources do not document its formulation, dosage forms, marketing history, or post-merger status.
Branded pharmaceutical medicine
Paraking
Paraking appeared among the branded products manufactured by Starwin Products. No further product specifications, launch information, or evidence of continued independent branding are provided in the available references.
Gastrointestinal preparation
Milk of magnesia
Starwin's product line included milk of magnesia, a pharmaceutical preparation commonly associated with gastrointestinal use. The available material does not identify the precise formulation, packaging, or distribution history of Starwin's version.
Over-the-counter pharmaceutical preparation
Liver salts
Liver salts were listed among Starwin Products' offerings. The supplied references provide no additional information about the product's formulation, claims, or period of sale.
Brand decisions
2020
Merger with Dannex and Ayrton Drug ManufacturingM&ABackground
Three domestic Ghanaian pharmaceutical companies consolidated their operations and public-market presence.
Action taken
Starwin Products Limited merged with Dannex Limited and Ayrton Drug Manufacturing Limited to form DAS Pharma.
Aftermath
DAS Pharma became the listed combined entity, ending Starwin's independent corporate identity as a separately listed company.
2004
Conversion to public-company status and stock-market listingStrategyBackground
Starwin was preparing to operate as a publicly traded Ghanaian pharmaceutical manufacturer.
Action taken
The company became a public limited liability company in January and was listed on the Ghana Stock Exchange in December 2004.
Aftermath
The listing made Starwin the first pharmaceutical company on the Ghana Stock Exchange and placed it in the GSE All-Share Index.
Sources1 sources
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