Telenor Common Operation (TnCO) is Technology Service Provider delivering Network and IT services to Telenor Business units.

TnCO was established on the 1st of October, 2013 with 100% ownership by Telenor. The company has 800+ employees from four countries. The headquarter is in Budapest, Hungary, while branch offices are located in Belgrade, Serbia, Podgorica, Montenegro, and Sofia, Bulgaria. Telenor Common Operation currently has seven customers: Telenor Hungary, Telenor Serbia and Telenor Montenegro, Telenor Bulgaria, Telenor Denmark, Telenor Sweden, and Global Wholesale (Norway).