People I cant fault is JC Autorefinishing - http://www.jc-refinishing.co.uk/
Mainly does £80k+ 2 year projects on full american restores but does repairs like this to pay the boys some beer money each week.
In terms of the cars on here:
He did all the body work on mine - Fully blended in Ings+1, scuffs, black roof
Did all the body work on 3fiddy's - Full chargespeed including door ding repairs, black roof
Fully repaired Maddens Cat D including rejig I think.
And a number of others