How do I sue a Canadian Company and what would it cost?

Really depend on the course of action you are looking to take.
Why are you thinking about suing them anyway ?

How do I sue a Canadian Company and what would it cost?


You get a Canadian Attorney and he/she decides on the best venue and sets his/her fee and advises you of the Court costs.

And, as CurlyBen said, it depends on the type of case -