Hi all, I need some help in DB design I am not sure which is the right channel for that

Could you give me your requirement? I will help as much as I can

Ok, here is my use case. I have a company

A

which enables companies like

B

to sell products to companies like

C

. The inventory is managed by

A

. The users of company

A

can create companies like

B

and assign some points to them. The users of

B

can then create users/customer

C

and can assign some points to

C

. The users of

C

can use their points to buy products from

A