Tigo Guatemala, originally known as Comunicaciones Celulares, S.A. or COMCEL, is a mobile phone service provider operating in Guatemala. It was established under the ownership of the international mobile phone company Millicom. In 2004, COMCEL underwent a rebranding, changing its name to TIGO and introducing their GSM Technology. Tigo Guatemala is the largest Tigo subsidiary in Central America, boasting a customer base of over 8 million subscribers.
In 2008, TIGO launched their 3.5G data network, operating on the HSDPA 850 MHz band, marking it as the only 3.5G network in Guatemala at the time. TIGO Guatemala also provides Tigo Money, an electronic wallet service, to its users. The company's main competitors in the Guatemalan market are Movistar, a Spanish company, and Claro, a Mexican provider.