Where do Bentley owners in Abu Dhabi actually take their cars?

My Continental GT is due for its annual service and the dealer wants a number that made me sit down, so I'm finally looking at independent options seriously. The thing with a Bentley is you can't just hand it to any garage, even one that's good with German cars, because the parts sourcing and the air suspension work are a different world. I've been trying to find premium Bentley repair in Musaffah since it's the obvious area for specialists, but most places I've called either don't touch Bentleys or sound vague about whether they've actually worked on one before. What I want is someone who's done this before and can tell me honestly what needs doing rather than treating it as a blank cheque. Any Bentley owners here with a long term workshop they trust? Especially interested if you've had suspension or electrical work done, since that's where I'm most nervous about someone learning on my car.