Programming EXCEL VBA

I need a mask (interface) in Excel to be able to manage my company data and products automatically.
It should work like an ERP system with a database behind it.
These topics should also be implemented
ERP - Enterprise Resource Planning for SMEs
CRM - Sales, Marketing and Service
MIS - planning and evaluation
Finances - integrated accounting for SMEs

please contact me so that i can explain my idea to you in detail. that way we can better