The go-to cities for orchestral soundtracks these days are London, Munich and Prague. London is fairly expensive but gets the job done in record time. Munich is cheaper but time-consuming. Prague can be rough and ready.
The last place anyone would go for soundtracks is Paris, where unions stick and mutter at every production detail.
That could be about to change.
The orchestre national de l’ ile de france has put together a package that would include all services, including, composer, for a single competitive price. It has pitched the deal to Variety magazine and is open for business. Read here.