As a songwriter/composer Mark has written for and collaborated with an incredibly diverse and eclectic group of talented and well known International artists including Michael Bolton, Robin Gibb, Boyzone, John Barrowman, Russ Ballard, Kenney Jones, Paul Rodgers, Paul Carrack, Hayley Westenra, and Charlotte Church to name a few.

Help for Heroes – Mark was honoured when We Will Remember Them, a song he co-wrote, was chosen to be an anthem for Help for Heroes, one of the largest sessions to be held at Abbey Road Studios. Artists performing on the song includedMichael Bolton, Paul Carrack, Paul Rodgers and Robin Gibb.

Eurovision 2012 – The song Never Enough, which was co-written by Mark was the interval act at Eurovision 2012, performed by local artist Emin, which reached of a television audience of 170 million people.