2020
- Establishment of Siemens Energy Ltd.
2018
- Acquisition of Mentor Graphics Korea
2017
- Establishment of Siemens Gamesa Renewable Energy Ltd. (Former Siemens Wind Power Ltd.)
- Acquisition of CD Adapco Korea
2015
- Establishment of Siemens Healthineers Ltd. (Former Siemens Healthcare Ltd.)
- Integration of Siemens Energy Solutions Ltd.
2014
- Acquisition of Leuven Measurement System Korea (LMS Korea)
2013
- Establishment of Siemens Energy Solutions Ltd. (SESL)
2012
- Office relocation of Siemens Ltd. Seoul to Poongsan Building
2009
- Integration of Siemens Shinhwa
2008
- Acquisition of Shinhwa Electronics
- Establishment of Siemens Shinhwa
2007
- Acquisition of Bayer Diagnostics
- Establishment of Siemens Healthcare Diagnostics
- Establishment of Siemens Ultrasound Systems Korea (SUSKO)
2004
- Integration of Siemens Building Technologies
2001
- Integration of Siemens Medical Systems
2000
- Acquisition of Siemens Westinghouse Power Korea
1991
- Provided acceleration and control systems for Daegu Subway project
1989
- Renamed Siemens Electrical Engineering to Siemens Ltd. Seoul (SLS)
- Foundation of Joint Venture Siemens Goldstar Medical Co., Ltd.
1971
- Foundation of Siemens Electrical Engineering Co., Ltd.
1967
- Foundation of liaison office in Korea
1950
- Participated in the reconstruction and infrastructure projects after the Korean War
