The Information Services Corporation is Saskatchewan's Business Registry. To register a business name or create a provincial corporation, you must go through the ISC. Accounts can be created on the ISC Customer Portal.
When choosing a business name to register, it must meet certain criteria outlined by the ISC. Additionally, it must not already be taken by another business. Business name criteria can be found on the ISC website.
If you choose to set up your business as a corporation, it's important to understand how shares work. Here are two useful videos on how they work and how to set them up:
https://youtu.be/8qLIrLkYMmI?si=aPycRpqBtEOtk_Qa
The ISC charges fees for business name reservations, business registrations, incorporation, as well as maintaining or closing businesses. The fee schedule can be found on the ISC website.