There are plenty of products that do this. I do some work with Power BI, and a pretty common set up is a bunch of SaaS connections (Google Analytics, Mailchimp

There are plenty of products that do this. I do some work with Power BI, and a pretty common set up is a bunch of SaaS connections (Google Analytics, Mailchimp, Salesforce, Zendesk, Stripe being the most common in my engagements), plus a database or two, plus some static files (excel mostly). Depending on the department, throw in some social media accounts (some directly supported. Connect it all together in a tabular model, and you've got yourself a nice little BI layer.