- 6/2005: established as a subsidiary of Song Da Investment - Development JSC;
- 9/2006: Song Da 1 Sole Proprietorship State-owned Co., Ltd took it over to become Song Da 1 Sole Proprietorship State owned Company;
- 05/12/2006: Song Da - Thang Long JSC., was established with the charter capital of VND25 billion;
- 20/12/2006: the charter capital increased to VND 40 billion;
- 6/2007: the charter capital was VND 100 billion;
- 23/9/2008: listed on HNX;
- 31/12/2014: Charter capital was VND 150 billion.
