All the branch websites have their own domains at the moment but with the new CMS they will all be under the same domain (each with its own directory and also re-directing the old domains and every old url here with a 301) which we plan to continue being the .com (currently in use for the corporate site).
I'm afraid that moving everything to the .ca we would lose what authority the .com has acquired over the years (not a ton of traffic but in use since 1997) and unsure that the boost we could get on google.ca for using a .ca would be enough to offset this.
Does anyone know if the domain authority can get fully transferred if we switched from .com to .ca as the main domain?