- On August 28, 2007: VNS Securities Joint Stock Company was established and licensed under License No. 69/UBCK-GPHĐKD issued by the State Securities Commission (SSC).
- On September 13, 2007: Became a depository member of the Vietnam Securities Depository Center.
- On September 28, 2007: Became a member of the Hanoi Securities Trading Center.
- On October 17, 2007: Became a member of the Ho Chi Minh City Securities Trading Center.
- On April 16, 2008: Established Ho Chi Minh City branch.
- On December 24, 2009: Approved for online trading at the Ho Chi Minh City Stock Exchange.
- On February 05, 2010: Approved for online trading at the Hanoi Stock Exchange.
- On August 01, 2011: Officially listed shares on the Hanoi Stock Exchange (HNX).
- On September 27, 2011: Renamed to Vietnam Investment Securities Joint Stock Company.
- On December 20, 2016: Increased charter capital to VND 340 billion.
- On October 22, 2019: Increased charter capital to VND 693.5 billion.
- On July 16, 2021: Renamed to Guotai Junan Securities (Vietnam) Joint Stock Company.
- In March 2025: Increased charter capital to VND 1,049,233,360,000.
