- Constructing civil, industrial, transport works, irrigation and technical infrastructure.

- Installing water and electricity, refrigeration, decorating interior and exterior works.

- Manufacturing and trading construction materials, machinery, construction equipment, ceiling panels, waterproof materials, furniture, interior decoration, crafts and fine arts.

- Providing real estate brokerage and trading services.

- Others under business license.

- 1993: Thanh Nam Construction and Investment Joint Stock Company - COTANA JSC, formerly known as Thanh Nam Construction Limited Company was established.

- 2004: The company officially operated as a joint stock company with initial chartered capital of VND10.62 billion.

- 2005: The company increased chartered capital to VND12 billion.

- 2006: The company increased chartered capital to VND15 billion.

- 2007: The company increased chartered capital to VND20 billion.

- 2008: The company increased chartered capital to VND25 billion.

- 2009: The company's stock was listed on Ha Noi Stock Exchange (HNX).

- 2010: The company increased chartered capital to VND50 billion.

- 2014: The company increased chartered capital to VND90 billion.

- June 2015: Increased charter capital to VND100 billion.

- 2017: Renamed as COTANA GROUP Joint Stock Company.

- January 2019: Increased charter capital to VND205 billion.

- September 14, 2020: Increased charter capital to VND215 billion.

- July 31, 2021: Increased charter capital to VND228,16 billion.