Ability to add local MacOS Calendars to Calendar view

My company bans the use of 3rd party calendar apps. I work for a large gaming company and we have suffered leaks before from it. I would imagine a lot of larger companies are like this. I can however log into my work Mac with my work email and have my calendar events appear in Apple Calendar. It would be really helpful if I could allow griply to show my local calendars on Calendar view. In a similar fashion to how ticktick does it.