Millicom, Inc. is a leading provider of fixed and mobile telecommunications services in Latin America, operating under the full legal name Millicom International Cellular S.A. The company was founded in 1990 and is headquartered in Luxembourg, with a principal executive office in Doral, Florida, USA. Millicom is a publicly traded company on NASDAQ (TIGO). As of late 2025 and early 2026, Millicom employed approximately 14,000 to 15,000 people and reported revenues in the range of $5.8 to $6.4 billion. Xavier Niel is identified as a main shareholder, holding around 40-46% of the company.
Millicom offers a broad range of digital services and products through its Tigo and Tigo Business brands. These include high-speed data, mobile and fixed voice services, cable television, broadband internet, and mobile financial services (Tigo Money). For business customers, Millicom provides B2B solutions such as cloud and security services. The company has a strong focus on Latin American markets, including Bolivia, Colombia, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama, and Paraguay.
In terms of patent litigation, MILLICOM, Inc. exhibits the posture of an operating company defending against assertions. The company has been involved in one tracked case as a defendant and has no record of initiating patent suits as a plaintiff. This single tracked case, Dr. Edwin A. Hernandez et al. v. Stingray Digital Group Inc. et al., was filed on April 2, 2024, in the Florida Southern District Court, which aligns with Millicom's U.S. corporate presence in Florida.