Thank you all for the quick responses!
My problem is not the account or the new owner of the company. In order to transfer my profiles the best thing would be to change the primary E-Mail in G Suite to a G Suite external Address like name and then disconnect the G Suite. Of course security needs to be considered and only personal data from Fotos, Maps, Fit, Play, etc. should be migrated. This would allow to use well personalized/evolved accounts for more then one employee. I agree that business and personal accounts should be separated but I thought it was a good idea to have only one account when we founded the business 20 years ago. Actually there are bigger issues in other products so I just take the export and might inform a few contacts that the ratings vanish only due to technical reasons.
Thanks again!