Hey guys.
So I've found information for intra company transfers for spouses' work permit:
In accordance with
Annex 10-F of CETA, spouses of EU citizens who are intra-corporate (company) transferees to Canada are eligible for an open work permit for the same duration as their spouses’ work permit.
And in this Annex 10-F there is info that the work permit will automatically be extended to spouses, which means that I don't need to apply for a work permit separately?