- 2019 April: Establish KAS ENC SINGAPORE PTE. LTD
- 2016: Establish The Saem Education Center
- 2016: Awarded CSR Certificate
- 2016: AA+ Credit Rating from National Credit Information Center of Vietnam – State Bank of Vietnam
- 2015: Be ranked in Top 1000 Enterprises of Tax Contribution
- 2015: Open SEOGWOO E&C Branch in Haiphong city.
- 2014: Change name to KAS HOLDINGS
Established SEOGWOO E&C Branch in Ho Chi Minh city.
- 2013: Establish SEOGWOO E&C Cambodia.
- 2012: Establish SW Interior.
Establish SEOGWOO E&C Myanmar.
Awarded Medal of the Chief of Supreme People’s Court.
Open Korea Construction Interior Material Showroom Hall.
AA Credit Rating from Information Center- State Bank of Vietnam
- 2011: Establish DL H.V.A.C
A+ Credit Rating from Information Center- State Bank of Vietnam
- 2010: Award an Appreciation Plague from Korean Ministry of Patriots and Veterans Affairs.
AAA Credit Rating from Information Center- State Bank of Vietnam
- 2009: Acquisition of ISO 9001: 2008
- 2008: Award Merit of Labour, War Invalids and Social Welfare
- 2006: Award Korean Ministry of Construction Citation
- 2005: Establish YS Architecture Co., Ltd
- 2004: Establish Branch in Hochiminh city
- 2002: Establish 100% Foreign owned
- 2001: Establish Branch Office in Dubai, UAE
- 2000: Establish Branch Office in Kuala Lumpur, Malaysia.
- 1999: Establish Representative office in Hanoi, Vietnam
- 1995: Separate to SEOGWOO Engineering & Construction. Co., Ltd
- 1994: Establish with name of DONGBANG construction. Co., Ltd