MTN Group Limited is a South African multinational corporation and mobile telecommunications provider. Its head office is in Johannesburg. MTN is among the largest mobile network operators in the world, and the largest in Africa. MTN is active in over 20 countries, with one-third of company revenue generated in Nigeria, where it held about 35 percent market share in 2016, and 289.1 million subscribers in December 2022. MTN Group is the primary sponsor of the South Africa national rugby union team and sponsors English football club Manchester United and Zambian Super League. The Nigerian subsidiary of the group also has an existing sponsorship deal with the Nigerian Football Federation. Wikipedia