The This Morning presenter is to front a new programme on the news station in the new year.
Eamonn joins GB News from This Morning, where has has anchored for 15 years alongside wife Ruth Langsford. Eamonn has also presented Sky News Sunrise and GMTV.
He is a four-time winner of awards from the Television and Radio Industries Club, including News Presenter Of The Year, Satellite TV Personality Of The Year, and Legends Of Industry Awards for services to broadcasting and journalism.
Eamonn said: "I've spent my career on broadcasting firsts and start-ups, and GB News is one of the most exciting yet. It's just the kind of shake-up the industry needs...
He continued: "I've admired GB News from the beginning for its clever mix of punchy debate but delivered with warmth and even some fun. To me the greatest honour in journalism is to give a voice and respect to the unheard, and that's exactly what GB News is all about."
GB News is available on Sky channel 515.