If you are reading this you are already experienced in utilising digital space and looking to improve ROI. You would likely agree that multiple individual reports (media campaigns, Google Analytics, Facebook insights, sales data) create confusion because it is hard to see all the data in one place. Likewise, it may not be obvious which quantitative or qualitative indexes you should invest in to increase sales.
 
The efficient path is to create a bespoke calculation system (and later tools) which can crunch data into reports that you need at each level: management, production, marketing, innovation, etc.