Canon Lens service/clean?

[Chaz Photos]

Where do you get your lens cleaned/serviced?
Is there anyone with a fixed price or not?
its for my 100-400L is
Thanks

 

[jnO]

No idea if this helps but a calibration and clean up for a 10-22 from Fixation was coming in at £70 before any parts.

 

[Chaz Photos]

Is this the only place?

 

[GarynLea]

H Lehmanns in Stoke on Trent