I have never really found a managed-hosting setup that I really liked.   I wound up subscribing for one (virtual... cloud...) dedicated server, then hosting the various domains-of-interest on it.   It is a technically similar arrangement except for the fact that control of the server is mine.

The core problem, for me, is not this-or-that web host, but the very simple fact that the hosting is shared.   It’s like living in a big hotel where you can’t stand the color of the carpeting and you can’t change anything about it.