Cetin, a privately owned company headquartered in Czechia, with PPF Group and e& as its parent companies, was founded in 2015, employs approximately 1,390 individuals, and reported $1.4B in revenue as of 2024. The company specializes in telecoms, functioning as a wholesale provider of active and passive telecommunications infrastructure services in the Central and Eastern Europe region. Cetin Group was formed as a result of a structural separation of infrastructure business from O2 Czech Republic and three Telenor branded operators in Eastern Europe, and it represents four CETIN operating companies in the Czech Republic, Bulgaria, Hungary, and Serbia.