Optus

Singtel Optus Pty Limited
Company typeSubsidiary
IndustryTelecommunications
Founded1981 (1981)
(as AUSSAT)
HeadquartersMacquarie Park, New South Wales, Australia
Area served
Australia
Key people
ProductsFixed telephony
Mobile telephony
Internet access
Cable television
Leased lines
Data transmission
Revenue A$8.05 billion (2023)
A$2.09 billion (2023)
A$286 million (2023)
Number of employees
7,572 (2023)
ParentSingtel
DivisionsAmaysim
Websiteoptus.com.au

Singtel Optus Pty Limited is a major Australian telecommunications company headquartered in Macquarie Park, Sydney. Optus is the second-largest telecommunications company in Australia, with over 11 million customers as of 2023. Its mobile network covers 98.5% of the Australian population, with plans to cover all of Australia by 2025 through its partnership with SpaceX.

It is a wholly owned subsidiary of Singaporean telecommunications company Singtel.