TidyStock can manage categories and sub categories. See here.
Have a look at similar frequently asked questions or visit our FAQs page for more information
Can Tracking Categories be displayed on the main page in Sales Console?
How can I edit delivery addresses for purchase orders?
When I modify the unit price on a sales order, I receive a message. What does it mean?
Can we automate the process of assigning team members to a project?
Why can’t I see all purchase orders?