Hierarchical contacts database android?

Question

Android

Hello. At work, I have many contacts in the phone book. How to arrange them? Are there such existing applications? I mean replacing the standard phone book - an identified hierarchy (accordion) with the ability to collapse or expand elements of different levels of nesting. Optimally 3-4 levels of nesting, no more.
For example, I open the 'Work' branch in the book. There, further 11 thousand contacts are grouped into 70-80 organizations. And even if I forgot what kind of contact it is, then in this way I can remember, because it is in a particular bush. I'm interested in the solution with visualization, for calls with a regular sim. meta information or I do not like to add data, speed decides. And so it would be possible to immediately add a contact to the desired bush. You need the ability to quickly call a contact, that is, not just a directory. And quickly change the contacts between the bushes. Is there such an application? Failed to find(