Czech News Center a.s. (previously known as Ringier Axel Springer CZ a.s.) is one of the largest media houses in the Czech Republic. The company publishes several daily newspapers (Blesk, Aha! and Sport), many printed magazines, online magazines, web projects, applications and run the services of a virtual operator and printing works. The sole owner of the company is Czech Media Invest a.s., which is indirectly owned by Daniel Křetínský and Patrik Tkáč.