Millicom Ghana Limited, operators of Tigo cellular network was the first mobile cellular network was incorporated in Sub-Saharan Africa in March, 1990. Provision of service commenced in April, 1992.

Millicom International Cellular S.A. ("MIC") is a leading global operator of cellular telephony services with several investments across the world. Millicom's portfolio of assets currently comprises 17 cellular operations and licenses in 16 countries in Asia, Latin America and Africa, covering a population under license of approximately 392 million people.

Millicom Ghana Limited - a subsidiary of MIC, best known by many in Ghana simply as "Mobitel/Buzz," is down in history as the first company to launch a mobile telecommunications network in Sub-Saharan Africa.  

In 2002 Millicom Ghana introduced its GSM service under the brand name Buzz GSM. Buzz GSM with its trendy lifestyle image offered very exciting services to its numerous clientele.

Mobitel has, over the years, been able to maintain a fast rate of subscriber and revenue growth and a very high quality of service, acclaimed by most users as being second to none. 

With Tigo, the Company promises to deliver the next generation of mobile services to Ghanaians to reinforce Millicom's commitment of providing innovation and leadership in the mobile telecommunication industry in Ghana.