Magento Private Shop Extension -By Knowband
You can manage sales for specific customer group and easily manage sales accordingly by making the store private. By making the store private you can restrict the online users to login/signup the website for accessing it. There are many ways to make your store private, but if you want to implement this without any extra efforts then you can go for Magento Private shop Extension offered by Knowband.
This Magento Private shop module allows making the overall store