A private VPS parent hosting is where you can create your own multiple VPS environments. The main benefit of Private VPS parent hosting is that you can create as many VPS instances and configure them exactly as you want. You can create, move, clone, resize, pause or destroy your VPS instances as and when you like.
In this type of hosting you have full control of your resources and use those resources as you want.
In a way, it’s like having a reseller VPS hosting of your own where you can resell VPS instances to multiple users. It’s like having a dedicated server of your own where you can create and resell custom-sized VPS plans.
There are many companies who offer this type of hosting ie: Liquidweb, OVHcloud