Which online subscription services support 2 businesses under one umbrella please?

Hey info742,

We'd be happy to have you as part of the QuickBooks family! QuickBooks Online allows you to easily manage multiple companies under a single login anywhere you have an internet connection. While each company should be handled by a separate subscription, please reach out to our friendly sales agents for additional options: [removed] 

I'm here for you, so let me know if there's anything else I can do to help.

@info742 

If both of your business have the same tax id, you may utilize the Class feature in QBO Plus. Otherwise, you have to open a separate QBO account for each business, then consider to purchase a consolidating app later.

https://quickbooks.grsm.io/Canada