@Chadzwill-1924 Currently most of the companies who manage several Intune tenant have created tenant based login and use that for different activities.
In your scenario though, if many customers are using your log analytics workspace to upload their compliance data. You can create a dashboard with different tenants and use that. You can get some reference from here.
You can also explore Azure lighthouse, but that would need to offer your services in Azure market place where customers can add it. You can read more about it here.
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