How can I add bank holidays to my company's calendar?

In two clicks you have it!

To add a holiday to your company's calendar or import several holidays go to your Factorial > Company > Offices account and access the office you want to assign that holiday too.

Bank Holiday 1

Once there, you will find a button where you can import the bank holidays. 

Bank Holiday 2

Just click it, and you will be able to choose the country and the year. Also, you can add custom holidays if is needed.