Coleby started his mainstream work in the British comics industry in 1987, working at both 2000 AD and Marvel UK. His first published work was a cover for issue #222 of the latter's Transformers comic, depicting Carnivac and Springer. At 2000 AD he contributed heavily to Judge Dredd and Rogue Trooper spin-offs Fridayand Venus Bluegenes, 3 as well as becoming the lead artist on Low Life.

Books by Simon Coleby

The Royals: Masters of War

Written by Rob Williams and Drawn by Simon Coleby - Graphic Novel