CSL headquarters details
- Street address
- 655 Elizabeth Street
- City
- Melbourne
- State / region
- State of Victoria
- ZIP / postal code
- 3000
- Country
- Australia
- Phone
- +61 3 9389 1911
- Founded
- 1916
- Website
- csl.com
- Stock
- ASX: CSL
- linkedin.com/company/csl
Location map
Open in Google MapsAll CSL office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Melbourne HQ | State of Victoria | Australia | Headquarters |
Showing the headquarters of 50 recorded locations. See every location in GraphIQ →
About CSL
CSL (ASX: CSL) is headquartered in Melbourne, State of Victoria, Australia. Founded in 1916, the company has 50 recorded locations across 9+ countries and employs approximately 29,904 people worldwide.
Where is CSL's main office?
CSL's main headquarters office is located at 655 Elizabeth Street, Melbourne, State of Victoria 3000, Australia. This is the company's primary corporate address.
CSL regional offices
Beyond its headquarters in Melbourne, CSL has recorded locations in Australia, Belgium, Brazil, China, Denmark, France, Israel, Norway and 1 other country.
CSL contact information
The main switchboard for CSL headquarters can be reached at +61 3 9389 1911. Official website: csl.com.
What does CSL do?
CSL Limited is an Australian multinational specialty biotechnology company that researches, develops, manufactures, and markets products to treat and prevent serious human medical conditions. CSL's product areas include blood plasma derivatives, vaccines, antivenom, and cell culture reagents used in various medical and genetic research and manufacturing applications. The company was established in 1916 as Commonwealth Serum Laboratories and was wholly owned by the Australian federal government until its privatisation in 1994.
CSL competitors & similar companies
Frequently asked questions
Where is CSL headquarters?
CSL's headquarters is located at 655 Elizabeth Street, Melbourne, State of Victoria 3000, Australia.
How many offices does CSL have?
GraphIQ records 50 locations for CSL across 9+ countries, as of October 2026.
What is CSL's corporate address?
The corporate headquarters address is 655 Elizabeth Street, Melbourne, State of Victoria 3000, Australia.
When was CSL founded?
CSL was founded in 1916 and employs approximately 29,904 people.
What is CSL's phone number?
The main phone number for CSL headquarters is +61 3 9389 1911.
How many employees does CSL have?
CSL has approximately 29,904 employees (GraphIQ estimate, 2026).
Is CSL a public company?
Yes. CSL is publicly traded on ASX under the ticker CSL.