| Year | Detail |
| 1984 |
Korea Mobile Telecom Services was established as the largest mobile operator in Korea, with nearly 50% of the market share. |
| 1997 |
Korea Mobile Telecom Services changed its name to SK Telecom. |
| 2004 |
The company successfully launched its first satellite for mobile multimedia broadcasting (DMB) services across the globe. |
| 2008 |
SK Telecom acquired SK Broadband (formerly Hanaro Telecom), a broadband service provider, for $1.2 billion. |
| 2012 |
SK Telecom acquired Hynix for $3 billion, and when Hynix was incorporated into SK Group, its name was changed to SK Hynix. |
| 2016 |
The company introduced NUGU virtual assistant service, which uses advanced voice recognition, natural language processing, and deep learning technology to help customers around the home. |
| 2023 |
SK Telecom collaborated with Joby Aviation for their joint participation in the K-UAM Grand Challenge. The agreement confirms that Joby’s aircraft will support the development of Korea’s Urban Air Mobility sector through flight testing next year. |
| |
The company established the ‘Global Telco AI alliance,’ linking Asia, Europe, and the Middle East, seeking to develop new opportunities for economies of scale and innovation through this alliance. |