- Trading materials for production and consumption.

- Providing trading services.

- Providing electronic and information technology services.

- Producing and transfering solfware.

- Trading and supplying electronic and information technology devices.

- Other under business license.

- October 6, 1994: Formerly No.1 Trade and Informatics Technology Co., Ltd., established with initial charter capital of VND 350 million;

- March 2001: Transformed into Trading and Informatics Technology Joint Stock Company No.1, increased charter capital to VND 5 billion;

- July 2007: Increased charter capital to VND 10 billion and changed its name to One Communication Technology Corporation;

- 2008: Increased charter capital to 20 billion.

- June 24, 2008: Officially traded on Hanoi Stock Exchange (HNX).

- May 2010: Increased charter capital to VND 35.7 billion.

- January 2011: Increased charter capital to VND 50 billion.

- September 29, 2017: Increased charter capital to VND 79.6 billion.