Top guys would be PH'r Ilovevolvo Russ @ RT Mechanics based at Haselmere 100% reliable honest and fair pricing, but above all top quality personal service, and has excellent contacts for body work, again a PH'r
I use Seaway in Rustington, behind Corbetts tyres next to the Dragon chinese restaurant for my MOTs. I am happy for Pete and his team to do any work on my cars. They have done bits and pieces on the Jag and TVR. They are a good bunch who won't rip you off.