Millicom International Services, LLC is a subsidiary of Millicom International Cellular S.A., a publicly traded telecommunications and media group headquartered in Luxembourg, with principal executive offices in Doral, Florida, U.S.. Millicom International Cellular S.A. was founded in 1990 and trades on the NASDAQ stock exchange under the ticker TIGO. French billionaire Xavier Niel, through Atlas Luxco S.à r.l., became the main shareholder, holding approximately 40% of the company as of early 2025. The Millicom group employed around 14,000 people as of March 31, 2025, and reported revenues of approximately $5.80 billion in 2024. Millicom International Services, LLC lists its address in Miami-Dade, U.S., and has an employee range of over 5,000.
Millicom, through its Tigo and Tigo Business brands, primarily operates in Latin American markets, providing a wide range of fixed and mobile telecommunications services. These services include mobile data and voice, broadband, cable and satellite television, and business-to-business solutions such as cloud and security services. The company also offers mobile financial services under the Tigo Money brand.
Regarding patent litigation, Millicom International Services, LLC appears to be an operating company defending against patent suits. The company has been named as a defendant in two tracked cases and has not initiated any suits as a plaintiff. Both cases were filed in the U.S. District Court for the Southern District of Florida or its Miami Division, which is not typically considered a plaintiff-friendly venue for non-practicing entities.
The two tracked cases, both filed on April 2, 2024, are Dr. Edwin A. Hernandez et al. v. Stingray Group Inc. f/k/a Stingray Digital Group, Inc. et al., in which Millicom International Services, LLC is listed as a defendant. Millicom has recently undergone a strategic shift, divesting its African and Asian operations to focus exclusively on strengthening its presence in the Latin American telecommunications market.