Hey Phil, i cant help you with a painter so i hope Niccos mate can sort you out. Have a chat to them about Valspar Paint. This is what i used after recomendations from Comp guys. Valspa is a very tough paint and an industrial coating. Note that you cant cut and polish it though, this is a bit of an issue as if you do scracth it you cant buff it out. My GQ is painted with it and i did not know this fact and not have a Satin finish car as i cut it to flatten some orange peel.

Matty has painted his tool boxes on his work ute in it too. Ask the painter mate. Its well priced too.