With no budget concern, purchase or hire developer to developer the platform for you.

Else use Microsoft Excel design the spreadsheet you wanted to look like. Then upload it to Google Spreadsheet. It will work perfectly fine. I done design some ticketing system in Excel and upload to Google Spreadsheet, it even give me report, alert and chart monitoring. Basically is how knowledge-full you're with Ms Excel. And you can even retrieve data from different Spreadsheet and display it on your main spreadsheet to make it look like you have a dashboard system. That's why a lot of people replying you and suggest you to use Google Spreadsheet.