You can manage the members according to the organization chart by subscribing to Netffice 24 BIZ plan.
A service administrator who is charge of billing the service, can organize teams into the following hierarchy:
You will be able to organize teams in the form of organizational charts, and grant "Team manager" privilege for each team, so s/he can see the team member's activities. The team manager who has been granted the authority of a team, and can also create virtual team in order to perform work on a project basis under the team.
When sharing files or folders uploaded to Netffice 24 cloud storage, you can select the team from <Contact> pop-up by one click like below.
If you have any questions or feedback on that, please contact email@example.com and we'll do our best to provide better service.