Recommended Dealer for Servicing near Cheltenham

Hi Forum,
Got redirected here by Dr Pepper (Ray) as my original post was on the .co.uk site so a big thanks to him for pointing me in the right direction.

Anyway, to the point of this post. We recently lost our local Fiat Dealership (Cleveleys) from where we bought our Doblo, from new. It's coming up for its 36000mile service (2.5 yrs old) and we need to find a someone else to service it for us.
The Fiat website lists 2 franchised dealers:
Hylton of Worcester & Fish Bros of Swindon.

As I no nothing of either dealership I was wondering if this forum had any feedback, both good or bad of these two "local" choices.

Just in case it's all bad, can anyone recommend a non franchised servicing team nr Cheltenham (Gloucestershire) that would do a good job on a 1.9JTD Doblo?

Many thanks in advance.

Steve