The Tunisia international penned a four-year deal which will keep him at the Müngersdorfer Stadion until 2024.
Skhiri started his career at Montpellier as a youth player and rose through the ranks to become a regular in the team.
During his professional stint at the club, he scored 10 goals in 123 Ligue 1 appearances, including the 37 league matches he played last season.
Welcome to the most beautiful city in Germany, Ellyes #Skhiri! 👋— 1. FC Cologne (@fckoeln_en) July 29, 2019
The Tunisian international has joined #effzeh from @MontpellierHSC. The 24-year-old has signed a four-year deal! 🔴⚪ https://t.co/hwV4tTvvaY