Square Pharmaceuticals Limited, Bangladesh’s largest pharmaceutical company, was founded in 1958 by Samson H. Chowdhury and three of his friends Ratna Patra, Tapan Chowdhury, and Kazi Harunar Rashid. The pharmaceutical manufacturing company was transformed into a public limited company in 1991, and in 1995 the company was publicly listed on the Dhaka Stock Exchange. Square Pharmaceuticals currently manufactures a wide range of medicines, from tablets to syrups, capsules, injections, infusions, suppositories, and insulin. In addition to pharmaceuticals, the company also manufactures basic chemicals, animal health products, agro vet, and pesticide products. The company manufactures 669 different types of pharmaceutical products, as well as 74 agro-vet products, 32 pesticides, 14 pellets, and 8 basic chemicals.
In the fiscal year 2020-2021, square generated a revenue of about BDT 58.35 billion. with a market share of 17.21% their domestic sales hit BDT 56.84 billion. They exported drugs worth BDT 1.51 Billion in that year. At present, Square Pharmaceutical dominates the market with a market share of 17.73% in the pharmaceutical industry of Bangladesh.