A1 Serbia

A1 Serbia, also known as A1 Srbija, is a privately owned company headquartered in Serbia. Operating as a subsidiary of A1 Group, it is part of the A1 Telekom Austria Group, which functions as a European unit of América Móvil. The company employs approximately 1020 individuals and reported $476.8M in revenue as of 2025, functioning as a tier 3 media tech buyer. It specializes in telecoms, providing digital services and communications solutions. The A1 Telekom Austria Group, headquartered in Vienna, offers network infrastructure to over 25 million users across Central and Eastern Europe, encompassing communications, payment, entertainment services, and integrated business solutions, with operations in Austria, Bulgaria, Croatia, Slovenia, Belarus, and Republic of Northern Macedonia.