The ability to set access permissions per folder/subfolder would be a bonus!
Another approach to creating these granular permissions would be to create a new overarching Company Account (a hierarchical parent to the current “team” account, as we know it), wherein admins could manage billing and the active user list. A Company Account would have multiple “Teams” (as they already exist now) nested within. These Teams would function exactly as they do now – every team has specific users, each with their own set of access permissions for the bases nested within that particular team.
This is so desperately needed!! We have 10 Pro users in our business Workspace with all their own bases, managing them is an absolute nightmare without folders!
The tag line for your product is “looks like a spreadsheet, acts like a database”. That being the case, please consider that many people/companies will in fact want to replace most of their spreadsheet use with it! Which in turn expands your marketplace exponentially.
BUT, in order to do that, you need to give us a folder hierarchy with simple detail views to manage the hundreds or thousands of bases we will have. Right now the huge icons in list view are IMHO rather silly if you want companies of any size (who will quickly have hundreds or thousands of bases) to be using this.