Hi, yes we can set up Worksuite to manage your 20+ business seperatelly.
Each admin can manage its team and all business features which is chat, ticket support, hrm, crm, project management
I think you will need a feature which help the Owner or BOD will need a central dashboard to gather custom BI report???
We also provide B2B development services to develop custom report, custom workflow or application base on your enterprise demand or intergrate your own enterprise API or any other API to / from Worksuite
You can send email to [email protected] for further discussion
Cheer