File:GSK_logo_2022.svg · Wikimedia Commons · See Wikimedia Commons
Also known as GlaxoSmithKline plc, Glaxo Smith Kline, GlaxoSmithKline, Glaxo, GSK plc
British multinational pharmaceutical and biotechnology company
GSK (GlaxoSmithKline) is a large British company that develops and sells medicines and vaccines for treating diseases. It matters because it's one of the world's major pharmaceutical companies that produces drugs and treatments used by millions of people globally.
AI-generated from the Wikipedia summary — may contain errors.
Company
GSK, GLAXF- Industry
- Pharmaceutical Preparations
- Exchange
- NYSE, OTC
- State of incorporation
- X0
- Entity type
- other
- Latest filing
- 6-K · 2026-06-01
- Jurisdiction
- GB
- Headquarters
- LONDON, GB
Research organization · ROR
- Type
- Company, Funder
- Founded
- 2000
- Location
- London, United Kingdom
- Also known as
- GSK
- Status
- Active
GRID grid.418236.a · ISNI 0000 0001 2162 0389
Official website
Link to the official site · 6,361 chars · not written by Vinony
Wikidata facts
- Employees
- 99300
- Official website
- www.gsk.com
- Image
- GlaxoSmithKline Headquarters on the Great West Road in Brentford - panoramio.jpg
Show 6 more facts
- IPv4 routing prefix
- 159.30.0.0/16
- Commons category
- GlaxoSmithKline
- inception
- 2000-12-27
- described at URL
- register.fca.org.uk/ShPo_FirmDetailsPage?id=001b000000MfRPuAAN
- exact match
- dbpedia.org/resource/GlaxoSmithKline
Sources (15)
via Wikidata · CC0
~40 min read
Article
GSK plc (an abbreviation of its former name GlaxoSmithKline plc) is a British multinational pharmaceutical and biotechnology company. It was established in 2000 by a merger of Glaxo Wellcome and SmithKline Beecham, which was itself a merger of a number of pharmaceutical companies around the Smith, Kline & French firm. It is headquartered in London, England.
GSK is the tenth-largest pharmaceutical company in the world by earnings, $9.32 billion in 2025 with $42.4 billion in revenues in the same period. As of February 2026 it is the 175th most valuable company in the world and the 12th most valuable pharmaceutical company with a market capitalisation of $122.6 billion. It was also ranked 388th on the 2025 Fortune Global 500.