While not specifically film no mention is made of Fuji's coating plant in Europe, I've no idea if it's still in operation coating RA-4 paper. Also Kodak once coated all their films in the UK including Kodachrome, in fact Kodak Ltd, Harrow, controlled all coating in Europe at one time including Hungary (later to become Fprte).

Not sure if Foton is still coating but last I heard it was X-ray films.

There is coating capacity in Europe and no shortage of skills.

Ian