- Treating, constructing foundation, mechanical works.

- Constructing and installing civil works.

- Producing steel structure, building rock and commercial concrete.

- Others under the business license.

- 24 February 1991: Mechanical Construction Enterprise No.12 was established;

- 07 May 1990: Renamed as Mechanical Construction and Civil Building Enterprise No.12 under the Decision No.289BXD-TCLD issued by Ministry of Construction;

- 02 January 1995: Renamed as Mechanical Construction and Civil Building Company No.12 under the Decision No.01BXD-TCLD issued by Ministry of Construction;

- 29 September 2004: Ministry of Construction issued the Decision No.1523/QD-BXD on equitizing and transforming Mechanical Construction and Civil Building Company No.12 into Mechanical Construction and Civil Building Joint Stock Company No.12;

- 07 January 2005: Put into operation under the model of a joint stock company with a charter capital of VND11.7 billion under the business registration certificate No.0103006456 issued for the first time by Hanoi Department of Planning and Investment;

- August 2006: Renamed as Licogi 12 Joint Stock Company with its charter capital up to VND17 billion;

- 19 December 2007: Charter capital was raised up to VND50 billion;

- 03 January 2017: Traded on UPCOM market;

- 16 November 2017: Charter capital was raised up to VND70 billion;