2016

Registered Firefighting Facility Construction Business (No. Seoul-00237)

2015

Registered Electrical Construction Business (No. Seoul-05332)

2014

Relocated to a new office building

2012

Established QS Architects & Engineers Co., Ltd.

2007

Changed to the corporation name to QS Engineering Co., Ltd.

2005

Registered as Safety Diagnosis Institute (No. Seoul-44)

2004

Registered General Construction Business (No. Construction 01-2006)

2000

Established KS Structure Technology