...I don't think you'll have any trouble finding clubs to go to, since most of them are found along night-clubbing strips, such as Crescent street, St-Laurent, the Latin Quarter, and the Village (which is mostly gay, but the after hour bars are there, too.). There are a few in Old Montreal, too, such as the very chic L'Appartement. But finding ladies to accompany you via TA, not so sure...