CSL
Biotechnology / pharmaceuticals, Melbourne, VIC (655 Elizabeth Street, Parkville)
CSL Limited is an Australian multinational specialty biotechnology company that researches, develops, manufactures and markets products to treat and prevent serious human medical conditions. It is best known for its plasma-derived and recombinant therapies, vaccines and antivenoms.
CSL was established in 1916 as Commonwealth Serum Laboratories, a government body created to serve Australia's health needs. It was privatised in 1994 and listed on the Australian Securities Exchange the same year. Headquartered in Parkville, Melbourne, CSL operates globally through its businesses CSL Behring, CSL Seqirus and CSL Vifor, supplying products to patients in more than 100 countries. Its core plasma business collects and processes blood plasma into biologic therapies, and it is one of Australia's largest companies by market capitalisation.
Fast facts
| Legal name | CSL Limited |
|---|---|
| Ticker | ASX: CSL |
| Headquarters | Melbourne, VIC (655 Elizabeth Street, Parkville) |
| Founded | 1916 (as Commonwealth Serum Laboratories) |
| Sector | Biotechnology / pharmaceuticals |
| Revenue | ~US$15.6B (FY2025, ended 30 Jun 2025) |
| Employees | ~30,000+ (2025) |
| CEO | Gordon Naylor (interim CEO from 11 Feb 2026; Paul McKenzie stepped down 10 Feb 2026) |
| Website | csl.com |
Key facts
- Headquartered in Parkville, Melbourne, Victoria, Australia
- Founded in 1916 as Commonwealth Serum Laboratories; privatised in 1994
- Listed on the Australian Securities Exchange (ASX: CSL) in 1994
- Operates through CSL Behring, CSL Seqirus and CSL Vifor, employing around 30,000 people
- Supplies plasma therapies, vaccines and antivenoms to patients in more than 100 countries
Frequently asked questions
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Sources
- https://en.wikipedia.org/wiki/CSL_Limited
- https://www.csl.com/-/media/shared/documents/annual-report/csl-annual-report-2025.pdf
- https://www.csl.com/we-are-csl/our-leadership/paul_mckenzie
- https://www.csl.com/we-are-csl
- https://www.forbes.com/companies/csl/
Last verified 2026-07-13. Professionally-public, sourced information only.