Vietnam Mobile Telecom Services (with the brand MobiFoneVietnamese: Công ty Thông tin di động Việt Nam) is a major Vietnamese mobile network operator headquartered in Trung Hoa Nhan Chinh, Hanoi. Founded on April 16, 1993, as a GSM launcher, MobiFone is the first and currently third largest telecommunications provider in Vietnam. It is wholly owned by the state-owned VNPT.
MobiFone had a market share (estimated based on revenues) of 17.9% in 2012. Its main competitors are Viettel with 40.67% market share and Vinaphone with 30%, which is also owned by VNPT. Together, the big three control almost 90% of the market, with the rest controlled by Vietnamobile with 8%, Gmobile (formerly Beeline) with 3.2% and S-Fone with 0.1%.
“The most favorite mobile operator in 2009”; “The best customer care operator in 2009” voted by Vietnamnet cyber newspaper and E-Chip Mobile Magazine;
"The best customer care operator in 2009" granted by Vietnam Ministry of Information and Communications at Vietnam ICT Awards 2009.
According to an independent report by TNS, a market research company, MobiFone is the number 1 mobile carrier among 7 mobile carriers in Vietnam in terms of level of awareness, favorite and the willing of using the services.