D&V Motorcycles 07973 471118 - The 'D' is David Higgins and the 'V' is his wife (just in case, like me, you felt the need to know

Mirek 07966 611779 - recommended by Luke B (I think), Mirek's a Polish guy based I believe near Box Hill, reputed to be very reasonably priced and knows his stuff. Not sure if he does MOTs, would suspect not.
Normandy Motorcycles, nr Guildford 01483 235388 http://www.normandymotorcycles.co.uk - recommended by Gavinski and I've used them myself a few times in the past, these guys do MOTs and servicing/repairs, they used to be trail riders themselves, as Gavin says "Proper old school outfit, Pete & Jason are the "daddies" for keeping bikes on the road for a realistic budget"
There were a few other bits and pieces from the original thread that I've probably missed because they're not in my local area. Anyway, hope this helps,
Graham