Whatever google can or cannot do with the data depends on their ToS but that is a problem for the company that contracts them to deal with as it's their data; n

Whatever google can or cannot do with the data depends on their ToS but that is a problem for the company that contracts them to deal with as it's their data; not the users. Most importantly, virtually all PaaS and SaaS solutions (office365 being the most well-known) already operate like that; on-prem services are getting pretty scarce nowadays on the enterprise world.