MIC Tanzania Limited

The company began operations in 1994 under the name Mobitel and launched Tanzania's first cellular (analogue) service. In 1998 the company expanded significantly and began pre-paid service under the brand "Simu Poa" and began issuing pre-paid cards under the brand "Kadi Poa".[3]

In 1999 Adesemi Tanzania another telecommunication company operating in the country was acquired by Mobitel and it gave Mobitel customers access to the companies Private Automatic Branch Exchange networks.[4] At the time Mobitel was the first company in Africa that provided subscription-free Internet services under their "MobiNet" brand.[5]

in September 2000, with a partnership with Ericsson Mobitel launched its digital GSM network in Dar es Salaam. Both networks were run simultaneously, with the GSM network in the cities and the analogue network in rural areas. The GSM network was marketed under the brand "Buzz", while the analogue network remained under the "Kadi Poa" brand.[6] The analogue network was continually phased out and was eventually shutdown in September 2005.

In February 2004, MIC's parent company Millicom International Cellular took over the 26% stake from the government to control 84% of the company's equity.[7]

In February 2006, after buying out its minority shareholders, the Luxembourg-based pan-African mobile operator Millicom International Cellular announced to take a full control of three of its African-based Mobile operators including MIC Tanzania limited. In Tanzania a USD 1.332 million deal enables Millicom to acquire the remaining 16% stake it did not already own after the cellco's minority shareholders agreed to cancel their call option on the business. Since then Millicom is the full controller of the company.[7]

After this take over the company re-branded the company from "Buzz" to "tiGO", in line with the company's operations globally. Since then the company has been at the fore-front of innovation and has grown its customer base tremendously.

In December 2016, in accordance to the government law, tiGO Tanzania applied to list the company on the Dar es Salaam Stock Exchange,[8] but as of April 9 2019 it was yet to go public.[9]

Tigo like all telecommunication brands in Tanzania operates Mobile money services. Currently tigo operates the second largest network and subscriber base for mobile money services in Tanzania.[10] In 2014, the company became the first company in the world to share its profit with its subscribes through mobile money. The company issues quarterly dividends to customers based on their daily balance in their Mobile wallet.

Tigo Pesa also became, in 2014, the first in Africa to provide a fully inter operable mobile money service network; that allowed its customers to trade money between Vodacom, Airtel and Zantel.[11] The service also extended to Tigo in Rwanda and the company was the pioneer in East Africa's first cross-border money transfer mobile wallet product. The gateway allowed customers in Rwanda and Tanzania to send money to tiGO customers in the respective countries.[12]

In December 2015, Tigo Tanzania launched 4G LTE services in Dar es Salaam. The company was the first in the country to bring 4G and 3G speeds to its customers and possibly one of the first companies in Africa to provide LTE services.[13]