Clear film protection fitters

[CycleSi]

I'm based near High Wycombe in South Bucks and want to get some clear film protection supplied and fitted to the rear wheel arches on my Caterham. I've had them recently re-painted and they look great, but they also got somebody to fit some clear film and they haven't done that bit particularly well so I want to get it re-done by somebody who knows what they're doing.

Any recommendations?