Quickbooks + Salesforce + Google Analytics + Microsoft BI = A New Business.
Amazing advances have made these tools exponentially more valuable to any business. The learning curve for each make it too difficult for the average business owner to properly install and configure, but not too difficult for them to use. Good branding and flat pricing would make it possible to offer turnkey setup and integration for a flat fee of under $5,000+ that would be almost pure profit. The basic installation and configuration would be done once, saved as a docker or VM image and then replicated on a cloud or in-house server with minimal follow-up modification. Custom configuration would be an up-sell.
The target would be small businesses trying to compete with larger competitors with full time tech departments who have been implementing these systems in-house.