Create a Sub company separate from erpnext system

Hi can i make a (Health) separate company(Sub-company) from my main system and assign to it a Company Admin that can create users and control only that company and can not see the other system companies and with specific module (health) only

i hope you help thanks

Possible with managing permissions per company doctype , and you’ll need to check if your accountants want to a seperate COA or share with the main company.