GSK plc (GlaxoSmithKline) is a British multinational biopharmaceutical company focused on the discovery, development and manufacture of prescription medicines and vaccines. Its portfolio spans respiratory, HIV and infectious diseases, oncology, immunology and rare diseases. The company operates a global research, development and manufacturing network supporting both small‑molecule and biological products.
For the chemical industry, GSK is a notable producer of active pharmaceutical ingredients (APIs) and finished dosage forms, including inhalation products, oral solids and liquids, sterile injectables and vaccines. The company’s capabilities include complex organic synthesis, scale‑up and technology transfer, biologics manufacturing, and device–drug combination production. GSK supplies regulated markets worldwide and works through internal sites and qualified external partners to secure supply, quality and compliance.