Coriant was formed as an independent company in 2013 as a spin-out from Siemens Optical Networks. The launch of the company was announced for the OFC/NFOEC in March 2013. On May 6, 2013 Coriant became independent from Nokia Siemens Networks under the ownership of Marlin Equity Partners.
Received revenues in Russia in 2021, there is no any official announcement