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София, Sofia City, BG
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Telefónica is a telecommunications operator founded in 1924, providing connectivity and digital technology services including 5G, cybersecurity, cloud, IoT and AI across Europe and Latin America.
A1 Telekom Austria
A1 Group is a Central and Eastern European communications and ICT provider serving 30 million customers across seven markets with telecom, internet, cloud and digital services.
A1 Telekom Austria, which operates as A1 Group, is a communications provider and digitalization and ICT partner in Central and Eastern Europe. The group serves 30 million customers across seven core markets and employs 16,000 people. It reported revenue of EUR 5.6 billion and EBITDA of EUR 2 billion in 2025. The company has been listed on the Vienna Stock Exchange since its initial public offering in 2000 and forms part of América Móvil, one of the world's largest telecommunications providers.
The business combines a traditional communications portfolio with enterprise and digital offerings. Services include fixed and mobile voice telephony, broadband internet, mobile and home entertainment, smart home solutions, data and IT solutions, wholesale telecommunications, payment solutions and a broader range of digital services. Its subsidiary A1 Digital provides digital infrastructure and solutions, with a focus on cloud, connectivity, IoT, network and cybersecurity, across Europe.
A1 Group operates in Austria, Bulgaria, Croatia, Serbia, Slovenia, Belarus and North Macedonia, with A1 Digital active more widely across Europe. Its activities span a range of regulated and cross-border sectors, among them telecommunications, ICT, cloud services, IoT, cybersecurity, media and entertainment, financial and payment services, and wholesale telecom.
The company describes a focus on placing humans at the centre of technology and on delivering current digital experiences. It frames its recent history as a transformation from a national telecommunications provider into a digitalization and ICT partner for the Central and Eastern European region, supported by international partnerships within América Móvil.