T-Mobile
- HQ Location: Bonn, Germany
- No. of Employees: 211,000 (2022)
- Chairperson: Timotheus Höttges
- Website URL: https://www.telekom.com/en
- Revenue: 114.4 billion EUR (2022)
- Keywords & Services: Mobile communications, GSM, UMTS, LTE-based cellular networks, integrated local businesses, financial stakes in mobile operators, multi-regional setup
T-Mobile is a pioneering force in mobile communication, bolstering over 211,000 employees worldwide. The brand was first introduced by Deutsche Telekom AG in 1996 and has grown into a group of mobile communications subsidiaries based across the globe including the Czech Republic, Poland and the United States. While the brand is headquartered in Bonn, Germany, its subsidiaries are known for operating GSM-, UMTS-, and LTE-based cellular networks in Europe, the United States, Puerto Rico, and the U.S. Virgins Islands.
T-Mobile International, the former holding company, was instrumental in shaping the brand's current structure and reach. It saw the integration of Deutsche Telekom AG's individual services like "Broadband/Fixnet", "Business Customers", and "Group HQ and Shared Services" from 2003 to 2007, which led to a regional operative model. This model merged separated fixed and mobile subsidiaries to create locally integrated businesses, ultimately folding T-Mobile International into Deutsche Telekom AG in 2009.
Despite previous challenges, including a significant data breach in 2021 that compromised the private data of over 76 million users, T-Mobile continues to strive for betterment. Recent advancements include a $350 million commitment towards enhancing data security as part of a class-action settlement. Proudly serving around 230 million subscribers worldwide, T-Mobile ranks as the world's thirteenth-largest mobile phone service provider by subscribers and the fourth-largest multinational entity. With a forward-thinking mindset and unwavering dedication to its customers and services, T-Mobile continues to cement its status as a global leader in mobile communications.