Bodyshop in Aberdeen - sunroof issues

[8bit]

My C63 has developed an unpleasant creaking sound from the left-hand side of the panoramic roof. It can be heard while driving over bumps and potholes, or when turning hard at low speed and it doesn't matter whether the roof is closed, tilted or fully retracted. Sounds like something creaking against something it's not meant to. I'm open to suggestions of any bodyshops that are handy with sunroof adjustment etc. in the Aberdeen area?