Cetin, a privately owned company headquartered in Czechia, was founded in 2015 and employs approximately 1390 individuals. The company reported $1.4B in revenue as of 2024. Operating in the telecoms sector, Cetin functions as a wholesale provider of active and passive telecommunications infrastructure services across the Central and Eastern Europe region. The company was formed from a structural separation of infrastructure business from O2 Czech Republic and three Telenor branded operators in Eastern Europe. The CETIN Group comprises four CETIN operating companies located in the Czech Republic, Bulgaria, Hungary, and Serbia.