Not sure about good places in Bristol, there is the VW Whitehouse in Brislington; they seem to know what they're doing but doesn't feel very professional.
One place that gets great reviews from everyone is TRD but I believe they're up by Gloucester somewhere. But people do travel there, I'm thinking of doing the same when I need some work doing.

It's not just a car, it's a Volkswagen... Click pic to see her, or my
Build Thread| Kamei Grille | GTI Recaros | Anni'd Lights | Anni BBS RCs | LCR Brembos | Coils |
Full Spec.
For Sale: Auto-Dim/Rain Sensing Mirror Kit, Bora Front Bumper. PM for info. (Bora 4Mo Rear Valance Wanted)