Compax
IT Services and IT ConsultingVienna, Austria201-500 Employees
Compax is an IT services and IT consulting company headquartered in Vienna, Austria. It provides BSS/OSS software for the telecommunications industry, including modules for convergent product catalogs, billing, accounting, payments, online charging, CRM, web portals, self-care apps and retail management. The company serves MVNOs and other telecom players, enabling rapid introduction of new services, offers and brands through an agile methodology. After acquiring Sonorys, i-new and NTS Retail, Compax expanded its telco capabilities and functional scope. In March 2026, partnerships with MTEL Austria and I-New Unified Mobile Solutions AG were announced to advance the MVNE platform and support multi-country growth. The company reports a workforce of 201–500 employees and revenue in the range of $100 million to $250 million.