MIXvoip

MIXvoip is a Luxembourg-based telecommunications and IT services provider headquartered in Steinsel, founded in 2008. The company specializes in business IT and telephony services, including cloud PBX, SIP trunking, internet connectivity, mobile solutions, and IT/cybersecurity services such as managed IT, network security, and Microsoft 365 integration. According to the company, it serves more than 4,800 customers across more than 25 countries, including SMEs, large enterprises, and public institutions. MIXvoip expanded operations into Belgium and Germany in 2017, and has since also established a presence in Bulgaria. The company acquired telecommunications provider Voipgate in 2019, Crossing Telecom in July 2025, and Nomado's customer portfolio in 2026. MIXvoip was named Telecom Company of the Year at the Luxembourg ICT Awards 2019.

Industries served span SMEs, large enterprises, and public institutions across multiple sectors. Per the company's own materials, approximately 8.5% of its business activity is in the public sector.

Note on employee count: reported figures vary slightly by source and year. LinkedIn lists 51–200 / ~100, the company's own ITnation profile lists 75, and a 2026 company blog post lists 103. Confirm the current count directly with the company before publishing.