He was also a member of the bands Tumbleweed (who signed a deal with Polydor Records in 1998), Four Way Trauma and in 2006 Missing Pieces with Richard Walters.

He accompanied Supergrass throughout 2008 and 2009 for the Diamond Hoo Ha World tour playing second guitar, backing vocals and percussion.

In September 2013 his debut solo album "No Shelter" was released on CD, download & limited edition White vinyl.

The band spent two months rehearsing Coombes' entire back catalogue and played their first gig at The Bullingdon Arms, Oxford on 25 September 2009.

Coombes features on German dance/electronic DJ Ronski Speed's debut album, Pure Devotion; he appeared on the track "Out of Order".