Since departing from Royal Hunt in 2007, West has lent his voice to a wide variety of projects. He appeared as the lead singer for Bosnian guitarist Emir Hot on his debut album Sevdah Metal in 2008 and keyboardist Mistheria's solo effort "Dragon Fire" in 2010. In 2012, he sang on symphonic metal band Mythodea's self-titled debut album, and in 2013, he collaborated with former Artension guitarist Roger Staffelbach to form Artlantica, an Artension-styled band that went on to release an album called Across The Seven Seas. He also appeared on Chilean progpower band Delta's fifth album, The End of Philosophy, singing a duet with the band's regular vocalist, Felipe del Valle, on the track "Bringers of Rain." After del Valle left the band in 2014, West recorded new versions of Delta's songs "New Philosophy" and "Regrets" as singles and also appeared with the band on the Progressive Nation at Sea cruise.
West has also toured as the singer for Uli Jon Roth's band and Ronnie James Dio/Ritchie Blackmore tribute band Black Knights Rising. He also collaborated with Danish guitar virtuoso Niels Vejlyt on a project called Sage's Recital, which put out their self-titled debut album in 2013 and followup The Winter Symphony in 2016.